AD7792_7793_cn

3󰽚󰚢Ă󰚯󱈯󰸳Ă󰚯󰠀󰡼Ă16/24󰿋∑-ΔADC 󰰾󱋃󰳌󰰾󱅏՗󰝣󰙷󰴗󰢅󰤏󱌚󰛉󱃣󱇸

AD7792/AD7793

󰼬󱂠

󱍌󰟛23󰿋󱆶󱁳󰝴Ր󰭲

󰨩󰝛󰟵(RMS)󱈯󰸳 40 nV)4.17 Hz󰹉*85 nV)16.7 Hz󰹉*

󰛉󰭁ǖ400 μA)󰛆󱂙󱊵*󰸹󰛉󰰇󰹕ǖ1 μA)󱍌󰙷󱊵*

󰚯󱈯󰸳󰩗Պ󰗲󱈺󱅮󱅏՗󰝣󰙷󰴗

󰙼󱀤󰤏󱌚󰛉󱃣󱇸Lj󰛆󱂙󰿒󰳏󱊵󰾺4 ppm/°C 󰟸󱂎󰻏󰭲ǖ4.17 Hz󱋁470 Hz 3󰟲󰖶󰝴󰹼󰷇 󰰾և󰹉󱋓󱊓󰚖󰴗

50 Hz/60 Hz󰽞󰹉󱅞󱋆 󰩗Պ󰗲󰛉󰭁󱇸

󰳌󰰾󰳋󱋃󰛉󱃣󰝀󰸴󰴗 󰶷󰜏󰛉󰭁

󰛉󱇸󰛉󱃣ǖ2.7 V󱋁5.25 V 󰿒󰜈󰝔󰾷ǖ-40ņ󱋁+105ņ 󰜀󰫬󰦥󰩨󰛉󱇸

16󱆅󰦗TSSOP󰞀󱌎 󰦥󰩨

!󰷙󱁍󰹕󰘲󱂜󰦥󰩨

SPI®ĂQSPI™ĂMICROWIRE™󰢅DSP󰥚󰶹 SCLK󱆅󰦗󰰾󰚦󰹁󰯢󰼬󰘩󰝀

GNDAVDD󰠀󰱀󰪀󰽮

REFIN(+)/AIN3(+)REFIN(–)/AIN3(–)VBIASAVDDAIN1(+)AIN1(–)AIN2(+)AIN2(–)MUXBUFBAND GAPREFERENCEGNDDOUT/RDYDINSCLKCSDVDDIN-AMPΣ-ΔADCSERIALINTERFACEANDCONTROLLOGICAVDDGNDIOUT1IOUT2CLKINTERNALCLOCKAD7792: 16-BITAD7793: 24-BIT04855-001󰽮2/!

󰟁󰺎!

AD7792/AD7793󰾺󰹢󰢇󰟛󰧛󰜈󰖪󰬉󱆌󱆩󰚦󰚯󰠀󰡼Ă󰚯󱈯󰸳Ă󰾜󱊝󰰇󰱆󰴮󰜋Lj󰰾󱋃󱅃󰟲󰚯󱈯󰸳Ă󰙼󱆶󰷙󰟲󰖶󰝴󰰇󰱆󰹼󰷇󰚦16󰿋/24󰿋Σ-Δ󱂙ADCă󰻲󰣏󰤣󰗯󰬕󰳌󰰾󰚯󱈯󰸳󱅏՗󰝣󰙷󰴗Lj󱅺󰜸󰩗󱊱󰦥󰹼󰷇󱁭󱂑󰡽ă󰚓󱈺󱅮󰸢󱋃󰾺64Ă󰟸󱂎󰻏󰭲󰾺4.17 Hz󰹉Lj󰨩󰝛󰟵(RMS)󱈯󰸳󰾺40 nVă

󰬇󰩼󰴗󰥲󰟳󱌲󰰾󱋃󱅃󰟲󰧛󰯢󰚯󱈯󰸳Ă󰚯󰳏󱅎󰰾և󰙼󱀤󰤏󱌚󰛉󱃣󱇸Lj󰜸󰵐󱄺󰩗󰖑󱆩󱅃󰟲󰾔և󰖶󰝴󰤏󱌚󰛉󱃣ă󰴄󰻲󰳌󰰾󰼬󱂠󰣏Ԉ󰪔󰩗Պ󰗲󰤘󰫤󰛉󰭁󱇸Ă󰶷󰜏󰛉󰭁󱇸󰢅󰳋󱋃󰛉󱃣󰝀󰸴󰴗ă󰳋󱋃󰛉󱃣󰝀󰸴󰴗󱆩󱇀󰥽󰽚󰚢󰚦󰠌󰰇󰛉󱃣󰸢󱋃󰾺AVDD/2ă

󰴗󰥲󰩗󱅜󰖑󱆩󰰾և󰹉󱋓󰤈󰾔և󰹉󱋓󰟾󱍕Lj󰹼󰘜󰺕󰨍󰻏󰭲󰩗󰽚󰡗󰷉󰥲Պ󰗲󰸢󱋃Lj󰩗󱈞4.17 Hz󱋁470 Hz󰚦󰝔󰾷󰰾Վ󰣅ă 󰴗󰥲󰖑󱆩2.7 V󱋁5.25 V󰛉󱇸󰠃󰛉Lj󰛆󱂙󰠀󰡼󰾺400 μALj󰖑󱆩16󱆅󰦗TSSOP󰞀󱌎ă

󱆌󱆩

󰶤󰛉󰱾󰖪󰬉 RTD󰖪󰬉

󰶤󰯺󰛉󱍆󰖪󰬉 󰴘󰼹󰝴󱀆 󰟾󱄽󰡗󰗲󰩦󱋆 󱅏󰴗󱅏՗

Ս󱁻󰹕󱅏󰴗󱅏՗ 󱃔󱅂󰝴󱀆 󱋇󰱀󰝀󰸞󰤐

󱅂󱁎/󰴘󱁎󰷥󰳷󱅏

6󰿋DVM

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners.

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ADI󱋐󰿔Ӳ󰺕󰨍󰹮󰖩󰹟󱆈󰿔Ӳ󰺕󰨍󰹮󰖩󰚦󱅳󰿔Lj󰧤󰵩󰬌󰦴󰝋󱅳󱋐󰩗󰱀󰙪󱈞󰚦󱇕󱃾󱍇󱊯󰤈󰝋󱅳󰙱󱀃LjADIփ󰜔󰝋󱅳󱋐󰙪󱈞󰚦󰖶󱅴󰤈󱆯󰙏󰗂󰸴󰚦󰙱󱀃󰞶󱈴ă󰷃󱂴󰶓󰶫󰶪󰢆󰙎󱇕󰚦󱌚󰶓󱂠Lj󰵩󰖖󰩊ADI󰼵󰠃󰚦󱍌󱂎󱆈󰿔Ӳ󰺕󰨍󰹮󰖩ăAD7792/AD7793 󰰣󰭤!

󰼬󱂠 .................................................................................................. 1󱆌󱆩 ................................................................................................... 1󰠀󰱀󰪀󰽮 ........................................................................................... 1󰟁󰺎 ................................................................................................... 1󱂪󰛩󰫦󰹏 .......................................................................................... 2󰤰󰺍󰡀󰟭 ........................................................................................... 3󰹉󱂾󰼬󱂠 ........................................................................................... 6!

󰹉󱂾󰽮 ...................................................................................... 7󰨨󰜔󱍌󰙷󰜮󰛨󱊵 ............................................................................. 8 ESD󰧟󰟢 ................................................................................... 8󱆅󰦗󰲦󱋃󰢅󰠀󰱀󰯮󰺎 ..................................................................... 9󰹼󰘜󱈯󰸳󱇑󰝴Ր󰭲󰡀󰟭 .............................................................. 11!!

󰾔և󰤏󱌚󰛉󱃣󱇸 ................................................................... 11󰰾և󰤏󱌚󰛉󱃣 ....................................................................... 12

!!!!!!!!!!!!!!!!!!

󰸿󰛙󰤸󰙪󰴗 ............................................................................ 19󰮢󰬉󰗲󰤸󰙪󰴗 ....................................................................... 19󰟁󰺎 ......................................................................................... 20󰺕󱌴󰦥󰩨 ................................................................................ 21󰰇󰱆󰹼󰷇󰽚󰚢 ....................................................................... 24󱅏՗󰝣󰙷󰴗 ............................................................................ 24󰺡󰤟󱂠/󰚇󰤟󱂠󰲦󱋃 ............................................................. 24󰺕󰨍󰹼󰘜Պ󰮓 ....................................................................... 24󰶷󰜏󰛉󰭁 ................................................................................ 25󰤘󰫤󰛉󰭁 ................................................................................ 25󰳋󱋃󰛉󱃣󰝀󰸴󰴗 ................................................................... 25󰤏󱌚󰛉󱃣 ................................................................................ 25󰞰󰿋 ......................................................................................... 25󱁯󱌚 ......................................................................................... 26󰦥󰚺󰢅ք󰨆 ............................................................................ 26󰫧󱆩󰶤󰛉󰱾󰖪󰬉󰿒󰜈 .......................................................... 28󰫧󱆩RTD󰖪󰬉󰿒󰜈 ............................................................... 29󰛩󰠔󱊸󰰳 ................................................................................ 30ADC󰛉󰭟󱂑󱀐 ............................................................................... 20

󰛉󰭟󰯮󰺎 ........................................................................................ 24

󰛆󱂙󰟾󱍕󰼬󱂠 ................................................................................ 13󰳌󰰾󰤸󰙪󰴗 .................................................................................... 14!!!!!

󰽚󱂑󰤸󰙪󰴗 ............................................................................ 14󱌒󰼀󰤸󰙪󰴗 ............................................................................ 15󰰇󰹕󰤸󰙪󰴗 ............................................................................ 15󰲦󱋃󰤸󰙪󰴗 ............................................................................ 17󰺕󰨍󰤸󰙪󰴗 ............................................................................ 18

AVDD󰥔󰩦󰴗 .......................................................................... 26

󱆌󱆩󱂑󱀐 ........................................................................................ 28

ID󰤸󰙪󰴗 ................................................................................ 18 IO󰤸󰙪󰴗 ............................................................................... 18

󰾔󱂚󰘅󰙫 ........................................................................................ 30

󱂪󰛩󰫦󰹏

2007󰱎3󱈆—󱂪󰛩ӲA󱋁󱂪󰛩ӲB

󰟸󱂎󰟭󰹕 .................................................................................... 󰽚󱆩󰟸󰟀󰠀󰱀󰰇󰩷󰪀󰽮 ......................................................................... 1 󰟸󰟀󰤰󰺍󰡀󰟭 ................................................................................. 3 󰟸󰟀󰤰󰺍󰡀󰟭󰿂󱌀1 ....................................................................... 5 󰟸󰟀՗5Ă՗6Ă՗7 ..................................................................... 11 󰟸󰟀՗8Ă՗9Ă՗10 ................................................................... 12 󰟸󰟀՗16 ......................................................................................... 16 󰟸󰟀“󰟁󰺎”և󰝴 ............................................................................ 20 󰥽“󱆌󱆩”և󰝴󰚦󰰁󰗬󰟸󰟀󰾺“󱆌󱆩󱂑󱀐” ................................. 29 󰟸󰟀“󰛩󰠔󱊸󰰳”և󰝴 ................................................................... 30

2005󰱎4󱈆—󱂪󰛩Ӳ0󱋁󱂪󰛩ӲA

󰟸󰟀“󰨨󰜔󱍌󰙷󰜮󰛨󱊵”և󰝴 ........................................................ 8 󰟸󰟀󰽮17 ......................................................................................... 22 󰟸󰟀󰺕󰨍󰹼󰘜Պ󰮓և󰝴 .............................................................. 24 󰟸󰟀󱁯󱌚և󰝴 ................................................................................ 26 󰟸󰟀󰛩󰠔󱊸󰰳 ................................................................................ 30

Rev. B | Page 2 of 32

󰀃

AD7792/AD7793

󰤰󰺍󰡀󰟭

󰘣󰝥󰬷󱆶󰺫󰯽LjAVDD = 2.7 V󱋁5.25 VĂDVDD = 2.7 V󱋁5.25 VĂGND = 0 VLj󰻯󱆶󰡀󰟭󰨩󱁎󰜔󱇀TMIN󱋁TMAX󰜸󱃾ă՗1.

󰖖󰺕!ADC󰽚󰚢

!󰹼󰘜󰟸󱂎󰻏󰭲 !󰿮󰸿󰮓2

!󰝴Ր󰭲

!󰹼󰘜󱈯󰸳󱇑󰟸󱂎󰻏󰭲 !󰤓󰝴󰝥󱁍󱂠

!󰸿󰛙󱀃󰖶3

!󰸿󰛙󱀃󰖶󰳏󱅎󱇑󰿒󰜈󰚦󰠲󱀣4!󰮢󰬉󰗲󱀃󰖶3, 5

!󱈺󱅮󰳏󱅎󱇑󰿒󰜈󰚦󰠲󱀣4!󰛉󱇸󱅞󱋆 󰰇󰱆󰹼󰷇

!󰖶󰝴󰹼󰷇󰛉󱃣󰝔󰾷

!󰨨󰜔AIN󰛉󱃣󱁌󱊵2!󰿮󰣐󰘋󰰇󰹕 !󰣐󰘋󰰇󰹕 !󱅏՗󰝣󰙷󰴗󱆶󱁳

!󰠌󰰇󰛉󱃣(VCM)󰰇󰱆󰹼󰷇󰛉󰭁

!󰣐󰘋󰰇󰹕󰤈󱅏՗󰝣󰙷󰴗󱆶󱁳 !!󰳝󰨩󰹼󰷇󰛉󰭁2!!!!!!!!!!!!!!!!!

!󰳝󰨩󰹼󰷇󰛉󰭁󰿒󰳏 󰿮󰣐󰘋󰰇󰹕

!󰳝󰨩󰹼󰷇󰛉󰭁 !󰳝󰨩󰹼󰷇󰛉󰭁󰿒󰳏 󰘲󰰇󰟅󰶡󱅞󱋆2!󰰾և󰹉󱋓

!!󱈞50 HzĂ60 Hz󰽉󰥲󱀰 !!󱈞50 Hz󰽉󰥲󱀰 !!󱈞60 Hz󰽉󰥲󱀰 !󰾔և󰹉󱋓

!!󱈞50 HzĂ60 Hz󰽉󰥲󱀰 !!󱈞50 Hz󰽉󰥲󱀰 !!󱈞60 Hz󰽉󰥲󱀰 󰠌󰰇󱅞󱋆

!!󱈞󱊱󰭁󰽉󰥲󱀰

!!󱈞50 HzĂ60 Hz󰽉󰥲󱀰2!!󱈞50 HzĂ60 Hz󰽉󰥲󱀰2

AD7792B/AD7793B1

4.17 󱋁 470 24 16 ±15 ±1 ±10 ±10 ±1 ±3 100

±VREF/󱈺󱅮

󰚇󰿋HzLjՔ󰗬󱊵 󰿋Lj󱍌󱁭󱊵 󰿋Lj󱍌󱁭󱊵 󰖪󰹬󰽉󰥲/󱌀󰹥

fADC< 242 HzLjAD7793 AD7792

󰥯“󰹼󰘜󱈯󰸳󱇑󰝴Ր󰭲󰡀󰟭”󰥯“󰹼󰘜󱈯󰸳󱇑󰝴Ր󰭲󰡀󰟭”

ppm(󰮢󰬉󰗲󰝔󰾷󰚦ӥ󰾤󰝴󰭲)Lj󱍌󰙷󱊵 μVLj󰛆󱂙󱊵 nV/°CLj󰛆󱂙󱊵 μVLj󰛆󱂙󱊵

ppm/°CLj󰛆󱂙󱊵 ppm/°CLj󰛆󱂙󱊵 dB Lj󱍌󱁭󱊵 V nom

󱈺󱅮 = 1󱋁16Lj󰾔և󰤏󱌚󰛉󱃣 󱈺󱅮 = 32󱋁128Lj󰾔և󰤏󱌚󰛉󱃣

AIN = 1 V/󱈺󱅮Lj󱈺󱅮 ≥ 4Lj󰾔և󰤏󱌚󰛉󱃣 VREF = REFIN(+) − REFIN(−)Lj󰤈󰰾և󰤏󱌚󰛉󱃣Lj󱈺󱅮 = 1󱋁128

GND – 30 mV V min 󱈺󱅮 = 1󰤈2 AVDD + 30 mV V max GND + 100 mV V min 󱈺󱅮 = 1󰤈2 AVDD – 100 mV V max GND + 300 mV V min 󱈺󱅮 = 4󱋁128 AVDD – 1.1 V max

VCM = (AIN(+) + AIN(−))/2Lj󱈺󱅮 = 4󱋁128 0.5 V min

󱈺󱅮 = 1󰤈2Lj󰟸󱂎󰻏󰭲 < 100 Hz ±1 nA max

󱈺󱅮 = 4󱋁128Lj󰟸󱂎󰻏󰭲 < 100 Hz ±250 pA max ±2 pA/°C typ

󱈺󱅮 = 1󰤈2

󰹼󰷇󰛉󰭁󰻜󰹼󰷇󰛉󱃣󰜸Վ󰣅 ±400 nA/V typ

±50 pA/V/°C typ

󰛆󱂙󱊵80 dBLj50±1 HzLj60±1 HzLjFS[3:0] = 1010665 dB min

󰛆󱂙󱊵90 dBLj50 ± 1 HzLjFS[3:0] = 1001680 dB min

󰛆󱂙󱊵100 dBLj60 ± 1 HzLjFS[3:0] = 1000690 dB min

󰛆󱂙󱊵90 dBLj50±1 HzLj60±1 HzLjFS[3:0] = 1010680 dB min

󰛆󱂙󱊵100 dBLj50 ± 1 HzLjFS[3:0] = 1001694 dB min

󰛆󱂙󱊵100 dBLj60 ± 1 HzLjFS[3:0] = 10006

90 dB min

AIN = 1 V/󱈺󱅮Lj󱈺󱅮 ≥ 4 100 dB min

50 ± 1 HzLj60 ± 1 HzLjFS[3:0] = 10106

100 dB min

50±1 Hz (FS[3:0]=1001)6, 60±1 Hz (FS[3:0]=1000)6

100 dB min

Rev. B | Page 3 of 32

AD7792/AD7793

󰖖󰺕!󰤏󱌚󰛉󱃣 !󰰾և󰤏󱌚󰛉󱃣 !!󰰾և󰤏󱌚󰛉󱃣󰘛󰹔󰧛󰜈 !!󰰾և󰤏󱌚󰛉󱃣󰿒󰳏2 !!󰛉󱇸󱅞󱋆 󰾔և󰤏󱌚󰛉󱃣󱇸 !!󰾔ևREFIN󰛉󱃣 !!󰤏󱌚󰛉󱃣󰝔󰾷2󰚇󰿋󰖪󰹬󰽉󰥲/󱌀󰹥 AD7792B/AD7793B1 VLj󱍌󱁭󱊵/󱍌󰙷󱊵 AVDD = 4 V, TA = 25°C 1.17 ± 0.01% ppm/°CLj󰛆󱂙󱊵 4 ppm/°CLj󱍌󰙷󱊵 15 dBLj󰛆󱂙󱊵 85 2.5 0.1 AVDD VLjՔ󰗬󱊵 REFIN = REFIN(+) − REFIN(−) VLj󱍌󱁭󱊵 VLj󱍌󰙷󱊵󰚓VREF = AVDD󰹉Lj󰷃󰡕󱅏՗󰝣󰙷󰴗󱆶󱁳Lj 󱈶Ղ󱂷󰥽󰖶󰝴󰹼󰷇󱁌󱋆󱈞0.9 × VREF/󱈺󱅮󱅜󰰾VLj󱍌󱁭󱊵 GND − 30 mV VLj󱍌󰙷󱊵 AVDD + 30 mV nA/VLj󰛆󱂙󱊵 400 nA/V/°CLj󰛆󱂙󱊵±0.03 !!󰨨󰜔REFIN󰛉󱃣󱁌󱊵2!! !!!󰳝󰨩󰤏󱌚󰹼󰷇󰛉󰭁 !󰳝󰨩󰤏󱌚󰹼󰷇󰛉󰭁󰿒󰳏!󰘲󰰇󰟅󰶡󱅞󱋆 !󰠌󰰇󱅞󱋆 󰤘󰫤󰛉󰭁󱇸 !)IEXC1󰢅IEXC2*!󰹼󰘜󰛉󰭁 !󰘛󰹔󰶹󰖶(25°C) !󰿒󰳏 !󰛉󰭁󰳅󰲦 !󰿒󰳏󰳅󰲦 !󰛉󱃣󰛙󱊝󰭲(VDD) !󰞶󱈜󰛙󱊝󰭲 !󰹼󰘜󰛉󱇸󰛉󱃣 󰿒󰜈󰘯󰟌󰴗!!󰧛󰜈!󰬳󰯺󰜈󰳋󱋃󰛉󱃣󰝀󰸴󰴗 VBIAS VBIAS󰝀󰸴󰴗󰴔󰛯󰹉󰥘 󰰾և/󰾔և󰹉󱋓 󰰾և󰹉󱋓 󰳕󰭲2 󱉞󰩣Բ 󰾔և󰹉󱋓 󰳕󰭲 󱉞󰩣Բ 󰮇󰤡󰹼󰷇 CS2VINLLj󰹼󰷇󰚯󰛉󰳝 VINHLj󰹼󰷇󰟛󰛉󰳝

Same as for analog inputs dBLj󰛆󱂙󱊵 100 10/210/1000 μALjՔ󰗬󱊵 ±5 %Lj󰛆󱂙󱊵 200 ppm/°CLj󰛆󱂙󱊵 IEXC1󱇑IEXC2󰚦󰳅󰲦ǗVOUT = 0 V ±0.5 %Lj󰛆󱂙󱊵 50 ppm/°CLj󰛆󱂙󱊵 AVDD = 5 V ± 5% 2 %/VLj󰛆󱂙󱊵 0.2 %/VLj󰛆󱂙󱊵 󰻯󱃋󰛉󰭁󰾺10 μA󰤈210 μA AVDD − 0.65 VLj󱍌󰙷󱊵 󰻯󱃋󰛉󰭁󰾺1 mA AVDD − 1.1 VLj󱍌󰙷󱊵 VLj󱍌󱁭󱊵 GND − 30 mV °CLj󰛆󱂙󱊵mV/°CLj󰛆󱂙󱊵 AVDD/2 VLjՔ󰗬󱊵 ms/nFLj󰛆󱂙󱊵 󰵽󰨦󱇀AIN󱆅󰦗󰸉󰚦󰛉󰶹󱊵See Figure 10 kHzLj󱍌󱁭󱊵/󱍌󰙷󱊵 64 ± 3% %Lj󰛆󱂙󱊵 50:50 kHzLjՔ󰗬󱊵 64 󰹑󱆩2󰝴󰳕󰠀󰱀󰹉)󰿋CLK1 = CLK0 = 1*Lj󰩗󱅜󰖑󱆩128 kHz󰾔և󰹉󱋓 %Lj󰛆󱂙󱊵 󰹢󱆩󱇀64 kHz󰾔և󰹉󱋓Ǘ󰷃󰡕󰹟128 kHz󰹉󱋓Lj45:55 to 55:45 󱉞󰩣Բ󱄲󰵱󰩗󱅜󰸎󰚯 VLj󱍌󰙷󱊵 0.8 DVDD = 5 V VLj󱍌󰙷󱊵0.4 DVDD = 3 V 2.0 DVDD = 3 V or 5 V VLj󱍌󱁭󱊵

Rev. B | Page 4 of 32

±2 0.81 󱊍󰜔󱆩󰢽󱁯󱌚󰿒󰜈󰘯󰟌󰴗󰚦󰵧󰪄

AD7792/AD7793

󰖖󰺕!SCLKĂCLK󰢅DIN)󰹁󰯢󰼬󰘩󰝀󰴗󰹼󰷇*2 VT(+) VT(–) VT(+) −VT(−) VT(+) VT(–) VT(+) −VT(−) 󰹼󰷇󰛉󰭁󰹼󰷇󰛉󰶹 󰮇󰤡󰹼󰘜(Ԉ󰪔CLK) VOHLj󰹼󰘜󰟛󰛉󱃣2 VOLLj󰹼󰘜󰚯󰛉󱃣2 VOHLj󰹼󰘜󰟛󰛉󱃣2 VOLLj󰹼󰘜󰚯󰛉󱃣2!󰞝󰩣󰼀󰭑󰛉󰭁 !󰞝󰩣󰼀󰹼󰘜󰛉󰶹 !󰺕󰨍󰹼󰘜Պ󰮓 󱀣󰽥󱁯󱌚2 󰮢󰬉󰗲󱁯󱌚󱁌󱊵 󰬭󰛉󰳝󱁯󱌚󱁌󱊵 󰹼󰷇󰝔󰾷 󰛉󱇸󱄲󰵱7 󰛉󱇸󰛉󱃣 AVDD󱋁GND DVDD󱋁GND 󰛉󱇸󰛉󰭁 IDD󰛉󰭁AD7792B/AD7793B1 1.4/2 0.8/1.7 0.1/0.17 0.9/2 0.4/1.35 0.06/0.13 ±10 10 󰚇󰿋 V min/V max V min/V max V min/V max V min/V max V min/V max V min/V max μA max pF typ 󰖪󰹬󰽉󰥲/󱌀󰹥 DVDD = 5 V DVDD = 5 V DVDD = 5 V DVDD = 3 V DVDD = 3 V DVDD = 3 V VIN = DVDD 󰤈 GND 󰻯󱆶󰺕󱌴󰹼󰷇! V min DVDD = 3 V, ISOURCE = 100 μA DVDD − 0.6 0.4 V max DVDD = 3 V, ISINK = 100 μA 4 V min DVDD = 5 V, ISOURCE = 200 μA 0.4 V max DVDD = 5 V, ISINK = 1.6 mA (DOUT/RDY)/800 μA (CLK) ±10 μA max 10 pF typ Offset binary +1.05 × FS V max V min −1.05 × FS 0.8 × FS V min 2.1 × FS V max 2.7/5.25 V min/max 2.7/5.25 V min/max 140 μA max 󰛆󱂙󱊵110 μA (AVDD = 3 V)Lj󰛆󱂙󱊵125 μA (AVDD = 5 V)Lj󰿮󰣐󰘋󰰇󰹕Lj󰾔և󰤏󱌚󰛉󱃣 μA 185 max 󰛆󱂙󱊵130 μA (AVDD = 3 V)Lj󰛆󱂙󱊵165 μA (AVDD = 5 V)Lj󰣐󰘋󰰇󰹕Lj󱈺󱅮 = 1󰤈2Lj󰾔և󰤏󱌚󰛉󱃣 μA 400 max 󰛆󱂙󱊵300 μA (AVDD = 3 V)Lj󰛆󱂙󱊵350 μA (AVDD = 5 V)Lj󱈺󱅮 = 4󱋁128Lj󰾔և󰤏󱌚󰛉󱃣 μA 500 max 󰛆󱂙󱊵400 μA (AVDD = 3 V)Lj󰛆󱂙󱊵450 μA (AVDD = 5 V)Lj󱈺󱅮 = 4󱋁128Lj󰰾և󰤏󱌚󰛉󱃣 IDD(󰸹󰛉󰰇󰹕) 1 μA max 󰿒󰜈󰝔󰾷󰾺-40ņ󱋁+105ņă󱈞󰟸󱂎󰻏󰭲󰙳󰚟19.6 Hz󰢅39.2 Hz󰚦󰽉󰥲󱀰Lj󰷃󰡕AIN(+)󰤈AIN(−)󱆅󰦗󰸉󰚦󰛉󱃣󱊵󰗒󰡗AVDD – 16 VLj󱈶INLĂ󰛉󱇸󱅞󱋆(PSR)Ă󰠌󰰇󱅞󱋆(CMR)󰢅󰘲󰰇󰟅󰶡󱅞󱋆(NMR)փ󰞙󰢇󰺕󰨍󰹮󰖩󰤰󰺍󰡀󰟭󰚦󱄲󰵱ă󰫩󰷃Lj󰚓󰗒󰡗󰙏󰛉󱃣󰹉LjINL󰛆󱂙󱊵󰦇󱋁󰮢󰬉󰗲󰚦18 ppmLjPSR󰛆󱂙󱊵󰦇󱋁69 dBă󱅺󰙏Lj󰾺ԍ󱊤󱊄󱁵󰟸󱂎󰻏󰭲󱀰󰚦󱂠󰱀Lj󰰇󰱆󰹼󰷇󱆅󰦗󰸉󰚦󰨨󰜔󰛉󱃣Ղ󱂷󰚯󱇀AVDD − 1.6 Vă󰤰󰺍󰡀󰟭󰿄󰧝󰸴󰗂󰖪󰹬Lj󰚍󰹴󰗂󰳗󰘛󰹔󰝀ք󰹉󰚦󰼬󱂠󰺕󰨍󱊧󰗼ă󰧝󱁯󱌚Lj󰙏󱀃󰖶󱇑󱃋󰛨󰚦Պ󰗲󱈺󱅮󰢅󰟸󱂎󰻏󰭲󰻯󰜔󱆌󰚦󱈯󰸳󱁎󰚓ă󱈞󰶪󱅪󰿒󰜈󱀰󰧊󱂜󱋘󱂎󱁯󱌚󰨩󰩗󱅜󱁩󰘣󱊄󱁵󱀃󰖶ă

󰮢󰬉󰗲󱀃󰖶󰹢󱆩󱇀󱊟Ă󰞶󰬇󱋖󰮢󰬉󰗲Ljժ󱈞󰟾󰗍󱁯󱌚󰽉󰥲󱀰󰹢󱆩(AVDD = 4 VLj󱈺󱅮 = 1LjTA = 25°C)ăFS[3:0]󰾺󰰇󰹕󰤸󰙪󰴗󱋐󰚦󰺺󰿋Lj󱆩󰪠󱃋󱈵󰹼󰘜󱌴󰻏󰭲ă

󰧍󱆩󰤘󰫤󰛉󰭁󰢅󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰹉Lj󰺕󱌴󰹼󰷇󰚪󱇀DVDD󰤈GNDă

1

2 3 4 5 6 7

Rev. B | Page 5 of 32

AD7792/AD7793

󰹉󱂾󰼬󱂠!

󰘣󰝥󰬷󱆶󰺫󰯽LjAVDD = 2.7 V󱋁5.25 VLjDVDD = 2.7 V󱋁5.25 VLjGND = 0 VLj󰹼󰷇󰮇󰤡0 = 0 VLj󰹼󰷇󰮇󰤡1 = DVDDă ՗2󱈞TMIN󰢅TMAX󰽉󰥲󱀰󰚦󱁌󱊵(B󰤪)󰖖󰺕1,2t3 100 t4 100 󰜁󰵽󰖡󱍕! t1 0 60 80 t230 60 80 t55, 610 80 t6 0 t7 10 󱂀󰷇󰖡󱍕 t8 0 t9 30 t10 25 t11 0 󱄣󰳌󱈞󰘛󰙒󰝀ք󰳺󰥘󰨩󰧝󰡗󰖪󰹬Lj󱅜󰶓ԍ󰞙󰢇Ք󱌚󱄲󰵱ă󰻯󱆶󰹼󰷇󱂑󰡽󰨩󱊸󰛨tR = tF = 5 ns)DVDD󰚦10%󰚟90%*Ljժ󰙗1.6 V󰛉󰳝󰴐󰨸󰹔󰤺󰹉ă 󰖖󰥯󰽮3󰢅󰽮4ă 3

󱊄󱁵󰺕󱊵󰹟󰖑󱆩󰽮2󰻯󰹖󰞶󱈜󰛉󰭟󰚦󰖪󰬉󰦳󰡕Lj󰛨󱅭󰾺󰹼󰘜󰩵󱈁VOL󰤈VOH󱁌󱊵󰻯󱂴󰚦󰹉󰥘ă 4

SCLK󱆶󱁳󱄂󰾺SCLK󰚦󱀰󰦇󱄂ă 5

󱊄󱁵󰺕󱊵󰪠󱇸󱇀󰖪󰬉󰹉󰥘Lj󰞿󰹉󰥘󰾺󰖑󱆩󰽮2󰻯󰹖󰞶󱈜󰛉󰭟󰹉󰺕󰨍󰹼󰘜󰟀Վ0.5 V󰻯󱂴󰚦󰹉󰥘ă󰦥󱀰󰪠Lj󰽚󰡗󰜔󰖪󰬉󰦳󰡕󰧊󱂜󰝒󱁠󰽸󰜏Lj󰩗󱅜󱁩󰘣󰜔50 pF󰛉󰶹󰘊Ă󰝣󰛉󰚦󱆖󱁚ă󱊄󱅪󰿆󱌣Lj󰹉󱂾󰼬󱂠󰻯󰟴󰘜󰚦󰹉󰥘󰹟󰞿󰴗󰥲󱊈󱊟󰚦󱌺󱁍󰹥󰝣󰹉󰥘Lj󱅺󰜸󱇑󰾔և󱌺󱁍󰞶󱈜󰛉󰶹󰿮󰠲ă 6

󱈞󰜁󰵽ADC󱊮󰢫LjRDY󰝓󰣮󰟛󰛉󰳝ă󱈞󰚇󰙒󱌈󰣑󰰇󰹕󰢅󰫶󱃄󱌈󰣑󰰇󰹕󱀰Lj󰚓RDY󰾺󰟛󰛉󰳝󰹉Lj󰷃󱆶Ղ󱄲Lj󰩗󱅜󱈝󰙒󰜁󰵽󰽞󱅃󰺕󰨍Lj󰚍󱆌󰶓ԍ󰢫󱃄󰜁󰵽󰖡󱍕󰚦󰝀󰸴󰹉󰥘փ󰱀󰦥󰧎󱀰󱅃󰙒󰹼󰘜󰟸󱂎󰹉󰥘ă󱈞󰫶󱃄󰜁󰵽󰰇󰹕󱀰Lj󰺕󱌴󱌴󱊻󰱀ԥ󰜁󰵽󱅃󰙒ă

12

󰚇󰿋ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 ns,󱍌󰙷󱊵 ns,󱍌󰙷󱊵 ns,󱍌󱁭󱊵 ns,󱍌󰙷󱊵 ns,󱍌󰙷󱊵 ns,󱍌󱁭󱊵 ns,󱍌󰙷󱊵 ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 ns,󱍌󱁭󱊵 󰽉󰥲/󱌀󰹥SCLK󰟛󰛉󰳝󰮞󰘋󰩻󰜈 SCLK󰚯󰛉󰳝󰮞󰘋󰩻󰜈 CS󱀰󰦇󱄂󰚟DOUT/RDY󱆶󱁳󰹉󰥘 DVDD = 4.75 V󱋁5.25 V DVDD = 2.7 V󱋁3.6 V SCLK󱆶󱁳󱄂󰚟󰺕󰨍󱆶󱁳󱃽󰗿4DVDD = 4.75 V󱋁5.25 V DVDD = 2.7 V󱋁3.6 V CS󰿮󱁳󱄂󰢫󰚦󱌺󱁍󰹥󰝣󰹉󰥘 SCLK󰿮󱁳󱄂󰚟CS󰿮󱁳󱄂 SCLK󰿮󱁳󱄂󰚟DOUT/RDY󰟛󰛉󰳝 CS󱀰󰦇󱄂󰚟SCLK󱆶󱁳󱄂󰸢󱋃󰹉󰥘4󰺕󰨍󱆶󱁳󰚟SCLK󱄂󰸢󱋃󰹉󰥘 󰺕󰨍󱆶󱁳󰚟SCLK󱄂ԍ󰗼󰹉󰥘 CS󰸉󰸷󱄂󰚟SCLK󱄂ԍ󰗼󰹉󰥘 ISINK (1.6mA WITH DVDD = 5V,100μA WITH DVDD = 3V)TOOUTPUTPIN1.6V50pFISOURCE (200μA WITH DVDD = 5V,100μA WITH DVDD = 3V)04855-002

󰽮 2. 󰹉󱂾󰼬󱂠󰚦󰞶󱈜󰛉󰭟Rev. B | Page 6 of 32

AD7792/AD7793

󰹉󱂾󰽮!

CS (I)t6t1t5DOUT/RDY (O)MSBLSBt2t7t3SCLK (I)t4NOTES1. I = INPUT, O = OUTPUT󰽮3. 󰜁󰵽󱋜󰳺󰹉󱂾󰽮 CS (I)t8t11SCLK (I)t9t10DIN (I)MSBLSB400-5NOTES5841. I = INPUT, O = OUTPUT0󰽮4. 󱂀󰷇󱋜󰳺󰹉󱂾󰽮 Rev. B | Page 7 of 32

300-55840

AD7792/AD7793

󰨨󰜔󱍌󰙷󰜮󰛨󱊵!

󰘣󰝥󰬷󱆶󰺫󰯽LjTA = 25°Că՗3

󰖖󰺕!

AVDD󱋁GND DVDD󱋁GND

󰰇󰱆󰹼󰷇󰛉󱃣󱋁GND 󰤏󱌚󰹼󰷇󰛉󱃣󱋁GND 󰺕󱌴󰹼󰷇󰛉󱃣󱋁GND 󰺕󱌴󰹼󰘜󰛉󱃣󱋁GND AIN/󰺕󱌴󰹼󰷇󰛉󰭁 󰟾󱍕󰿒󰜈󰝔󰾷 󰙪󰘦󰿒󰜈󰝔󰾷 󱍌󰟛󰦳󰿒 TSSOP θJA󰶤󱍆 θJC󰶤󱍆

󱆅󰦗󰿒󰜈Lj󰡰󰦥 !󰴘󱁎(60󰯱) !󰢤󰾔(15󰯱)

󰜮󰛨󱊵!

−0.3 V 󱋁 +7 V −0.3 V󱋁 +7 V

−0.3 V 󱋁 AVDD + 0.3 V −0.3 V 󱋁 AVDD + 0.3 V −0.3 V 󱋁 DVDD + 0.3 V −0.3 V 󱋁 DVDD + 0.3 V 10 mA

−40°C 󱋁 +105°C −65°C 󱋁 +150°C 150°C

128°C/W 14°C/W

215°C 220°C

󱌀󱅪Lj󰗒󰘜󰸉󰺎󰨨󰜔󱍌󰙷󰜮󰛨󱊵󰩗󰱀󰣷󰚞󱋂󰴗󰥲󱆦󰧳󱂠󰻦󰣋ă󱊄󱊻󰹟󰜮󰛨󱍌󱊵Ljփ󱅪󰿆󱌣󰴗󰥲󱈞󱊄󱁵󰤈󱊁󰶪󰢆󰴄󰻲󰗒󰘜Ԩ󰤰󰺍󰡀󰟭󰺁󰚦󰠀󰱀󱂠󰖡󱍕󱉤󰦬󰫛Ք󰯽󰚦󰽉󰥲󱀰󰚦󰠀󰱀󱂠󰖡󱍕ă󰗊󰳺󱈞󰨨󰜔󱍌󰙷󰜮󰛨󱊵󰽉󰥲󱀰󰟾󱍕󰣷󱆖󱁚󰴗󰥲󰚦󰩗󰩍󱂠ă

ESD󰧟󰟢

ESD(󰧢󰛉󰝣󰛉)󰯺󰟌󰴗󰥲ă

󰙼󰛉󰴗󰥲󰢅󰛉󰭟ӱ󰩗󰱀󰣷󱈞󰯁󱆶󰖴󰨥󰚦󰵧󰪄󱀰󰝣󰛉ă󰧑󰠶Ԩ󰗂󰳗󰨏󱆶󱌆󰫧󰤈󱌆󱆶ԍ󰢺󰛉󰭟Lj󰚍󱈞󱇜󰚟󰟛󰱀󰬉ESD󰹉Lj󰴗󰥲󰩗󰱀󰣷󰻦󰣋ă󱅺󰙏Lj󱆌󰚓󰖑󰵽󰹢󰚓󰚦ESD󰝞󰝔󰙯󰹁Lj󱅜Ն󰯨󰴗󰥲󱂠󰱀󱀰󰦇󰤈󰠀 󰱀󰷟󰸿ă

Rev. B | Page 8 of 32

AD7792/AD7793

󱆅󰦗󰲦󱋃󰢅󰠀󰱀󰯮󰺎

SCLK1CLK2CS3IOUT14AIN1(+)AIN1(–)AIN2(+)AIN2(–)56781615DINDOUT/RDYDVDDAVDDGNDIOUT2REFIN(–)/AIN3(–)REFIN(+)/AIN3(+)04855-005TOP VIEW(Not to Scale)AD7792/AD779314131211109Figure 5. Pin Configuration

՗4. 󱆅󰦗󰠀󰱀󰯮󰺎 󱆅󰦗Պ󰡽1 󱆅󰦗󰰁󰗬!SCLK 󰽮5. 󱆅󰦗󰲦󱋃 󰯮󰺎!󰘲󱂜󰹉󱋓󰹼󰷇ă󱆩󱇀󱇑ADC󰧊󱂜󰺕󰨍󰘯󰹼ăSCLK󰨏󱆶󰹁󰯢󰼬󰘩󰝀󰹕󰹼󰷇Lj󱅺󰜸󰞿󰦥󰩨󰹢󰢇󰠼󰟰󰫗󱆌󱆩ă󰞿󰘲󱂜󰹉󱋓󰩗󱅜󰹟󰫶󱃄󰹕󰹉󱋓Lj󰻯󱆶󰺕󰨍󰨩󱈞󰫶󱃄󰚦󰮞󰘋󰘲󱋐󰘯󰹼ă󰤈󱊁Lj󰻲󱄺󰩗󱅜󰹟󰝥󰫶󱃄󰹕󰹉󱋓Lj󰪠󰾫ADC󰚦󱂑󱀐󱅜󰦡󱁭󰚦󰺕󰨍Ԉ󱂚󰹕󰘯󰹼ă 󰹉󱋓󰹼󰷇/󰹉󱋓󰹼󰘜󱆅󰦗ă󰽚󰡗󰙏󱆅󰦗󰩗󰼵󰠃󰰾և󰹉󱋓Lj󰤈󱊁󰧍󱆩󰰾և󰹉󱋓ă󰚓󰰾և󰹉󱋓ԥ󰧍󱆩󰢫Lj󰩗󱅜󰖑󱆩󰾔և󰹉󱋓󰵻󰛯󰞿ADCă󱊄󱄣Lj󰜠󰟲ADC󰩗󱅜󱆯󰽞󱅃󰹉󱋓󰵻󰛯Lj󰙗󰜸󱊴󱂜󰽞օ󱌈󰣑ă 󰳌󱃋󰹼󰷇󱆅󰦗ă󱊄󰹟󱅃󰟲󰚯󰛉󰳝󱆶󱁳󰮇󰤡󰹼󰷇󱆅󰦗Lj󱆩󱇀󱃋󱈵ADCăCS󰩗󱅜󱆩󰪠󱈞󰘲󱂜󱌺󱁍󰸉󰨏󱆶󰜠󰟲󰴗󰥲󰚦󱀣󰽥󱋐󱃋󱈵ADCLj󰤈󱊁󱆩󱍕󱊡󰽞օ󱂑󰡽Lj󱇑󰴗󰥲󰽚󱂑ăCS󰩗󱅜󱆩󱆘󰫶󱁍󰝛󰹕󱋃󰾺󰚯󰛉󰳝Lj󰹑󰚥ADC󰱀󱅜3󱁍󰹕󰰇󰹕󰟾󱍕Lj󰽚󰡗SCLKĂDIN󰢅DOUT󱇑󰴗󰥲󰦥󰩨ă 󰰾և󰤘󰫤󰛉󰭁󱇸󰚦󰹼󰘜󱆅󰦗ă󰽚󰡗󰙏󱆅󰦗󰩗󰼵󰠃󰰾և󰤘󰫤󰛉󰭁ă󱆩󰢽󰩗󱅜󰽚󰡗Պ󰗲󰸢󱋃󰰾և󰤘󰫤󰛉󰭁󱇸Lj󱅜Ս󰥽󰛉󰭁󰸢󱋃󰾺10 μAĂ210 μA󰤈1 mAă󰩗󱅜󰥽IEXC1󰤈IEXC2󰵎󰣑󱋁󰙏󰹼󰘜ă 󰰇󰱆󰹼󰷇󱆅󰦗ăAIN1(+)󰹟󰖶󰝴󰰇󰱆󰹼󰷇󰜔AIN1(+)/AIN1(−)󰚦󱊟󰜋ă 󰰇󰱆󰹼󰷇󱆅󰦗ăAIN1(-)󰹟󰖶󰝴󰰇󰱆󰹼󰷇󰜔AIN1(+)/AIN1(−)󰚦󰞶󰜋ă 󰰇󰱆󰹼󰷇󱆅󰦗ăAIN2(+)󰹟󰖶󰝴󰰇󰱆󰹼󰷇󰜔AIN2(+)/AIN2(−)󰚦󱊟󰜋ă 2 CLK 3 CS4 IOUT1 5 6 7 8 9 AIN1(+) AIN1(−) AIN2(+) 󰰇󰱆󰹼󰷇󱆅󰦗ăAIN2(-)󰹟󰖶󰝴󰰇󰱆󰹼󰷇󰜔AIN2(+)/AIN2(−)󰚦󰞶󰜋ă AIN2(−) REFIN(+)/AIN3(+) 󰰇󰱆󰹼󰷇/󱊟󰤏󱌚󰛉󱃣󰹼󰷇󱆅󰦗ă󰩗󱅜󱈞REFIN(+)󱇑REFIN(−)󱊮󰥘󰹁󰥇󱅃󰟲󰾔և󰤏󱌚󰛉󱃣ăREFIN(+)󰩗󰿋󱇀AVDD󰢅GND + 0.1 V󱊮󰥘ăՔ󰗬󰤏󱌚󰛉󱃣)REFIN(+)󱋁REFIN(−)*󰾺2.5 VLj󰚍󰞿󰴗󰥲󰩗󱅜󰖑󱆩0.1 V󱋁AVDD󰝔󰾷󰰾󰚦󰤏󱌚󰛉󱃣󰟾󱍕ă󰬷󰾔Lj󰞿󱆅󰦗󰩗󱆩󱍕AIN3(+)Lj󰤨󰖶󰝴󰰇󰱆󰹼󰷇󰜔AIN3(+)/AIN3(−)󰚦󱊟󰜋ă 10 REFIN(−)/AIN3(−) 󰰇󰱆󰹼󰷇/󰞶󰤏󱌚󰛉󱃣󰹼󰷇󱆅󰦗ăREFIN(-)󰹟REFIN󰚦󰞶󰤏󱌚󰛉󱃣󰹼󰷇ă󰞿󰤏󱌚󰛉󱃣󰹼󰷇󰩗󰿋󱇀GND󱇑AVDD−0.1 V󱊮󰥘ă󰬷󰾔Lj󰞿󱆅󰦗󰣏󰩗󱆩󱍕AIN3(−)Lj󰤨󰖶󰝴󰰇󰱆󰹼󰷇󰜔AIN3(+)/ AIN3(−)󰚦󰞶󰜋ăIOUT2 󰰾և󰤘󰫤󰛉󰭁󱇸󰚦󰹼󰘜󱆅󰦗ă󰽚󰡗󰙏󱆅󰦗󰩗󰼵󰠃󰰾և󰤘󰫤󰛉󰭁󱇸ă󱆩󰢽󰩗󱅜󰽚󰡗Պ󰗲󰸢󱋃󰰾և󰤘󰫤󰛉󰭁󱇸Lj󱅜Ս󰥽󰛉󰭁󰸢󱋃󰾺10 μAĂ210 μA󰤈1 mAă󰩗󱅜󰥽IEXC1󰤈IEXC2󰵎󰣑󱋁󰙏󰹼󰘜ă 󰦥󰚺󰤏󱌚󰛅ă 󰛉󱇸󰛉󱃣(2.7 V󱋁5.25 V)ă 󰺕󱌴󰦥󰩨󰛉󱇸󱆅󰦗ă󰘲󱂜󰦥󰩨󱆅󰦗󰚦󰮇󰤡󰛉󰳝󱇑󰞿󰛉󱇸󱆶󰠲Lj󱈞2.7 V󱇑5.25 V󱊮󰥘ăDVDD󱆅󰦗󰛉󱃣󱇑AVDD󱆅󰦗󰛉󱃣󰿮󰠲Ǘ󱅺󰙏LjAVDD = 5 VĂDVDD = 3 VLj󰝒󱊮󱅨󰶗ă 11 12 13 14 GND AVDD DVDD Rev. B | Page 9 of 32

AD7792/AD7793

󱆅󰦗Պ󰡽15 󱆅󰦗󰰁󰗬!DOUT/RDY󰯮󰺎!󰘲󱂜󰺕󰨍󰹼󰘜/󰺕󰨍󰧽󱃃󰹼󰘜󱆅󰦗ăDOUT/RDY󰨏󱆶󰺡󱋘󱍕󱆩ă󰻲󰩗󱅜󱆩󱍕󰘲󱂜󰺕󰨍󰹼󰘜󱆅󰦗Lj󱅜󰝡󰿚ADC󰚦󰹼󰘜󱅎󰿋󰤸󰙪󰴗ă󰹼󰘜󱅎󰿋󰤸󰙪󰴗󰩗󱅜󰡤󱆶󰪠󱌲󰶪󱅃󰳌󰰾󰺕󰨍󰤸󰙪󰴗󰤈󰩦󱋆󰤸󰙪󰴗󰚦󰺕󰨍ă󰙏󰾔LjDOUT/RDY󰩗󱅜󱆩󱍕󰺕󰨍󰧽󱃃󱆅󰦗ă󰚓󱆅󰦗󰚦󰛉󰳝󰾺󰚯󰹉Lj՗󰹖󱌈󰣑󱅙󰾜󰗯ă󱌈󰣑󰾜󰗯󰢫Lj󰷃󰡕󰺕󰨍󰿄ԥ󰜁󰵽Lj󰞿󱆅󰦗󰥽󱈞󱀰󱅃󰙒󰟸󱂎󱊮󰴮Վ󰾺󰟛󰛉󰳝ă DOUT/RDY󱀰󰦇󱄂󰩗󱅜󱆩󱍕󰘪󰫙󰴗󰚦󱋐󰜏Lj՗󰹖󰙪󱈞󰩗󱆩󰺕󰨍ă󰖑󱆩󰾔և󰘲󱂜󰹉󱋓󰹉Lj󰩗󱅜󰫧󱆩DOUT/RDY󱆅󰦗󰜁󰵽󰺕󰨍ăCS󰾺󰚯󰛉󰳝󰹉Lj󰺕󰨍/󰩦󱋆󱌴󱂑󱀐󱈞SCLK󱀰󰦇󱄂ԥ󱋃󱇀DOUT/RDY󱆅󰦗󰸉Lj󰵐󱈞SCLK󰸉󰸷󱄂󱆶󱁳ă 󰘲󱂜󰺕󰨍󰹼󰷇ă󰞿󰘲󱂜󰺕󰨍󰹼󰷇󱆩󱇀ADC󰚦󰹼󰷇󱅎󰿋󰤸󰙪󰴗ă󰞿󱅎󰿋󰤸󰙪󰴗󱋐󰚦󰺕󰨍󰘯󰹼󱋁ADC󰰾󰚦󰩦󱋆󰤸󰙪󰴗Ǘ󰽚󱂑󰤸󰙪󰴗󰚦󰤸󰙪󰴗󱃋󱈵󰿋󰩗󱅜󰹎՚󰴟󰚓󰚦󰤸󰙪󰴗ă16 DIN

Rev. B | Page 10 of 32

󰀃

AD7792/AD7793

󰹼󰘜󱈯󰸳󱇑󰝴Ր󰭲󰡀󰟭!

󰾔և󰤏󱌚󰛉󱃣󱇸!

՗5󰟴󰘜󰬕󱅃󱁵󰟸󱂎󰻏󰭲󰢅󱈺󱅮󰸢󱋃󱀰󰚦AD7792/AD7793󰚦󰹼󰘜󰨩󰝛󰟵󱈯󰸳ă󰻯󰼵󰠃󰚦󰺕󰨍󰹟󱊍󰜔󰺡󰤟󱂠󰹼󰷇󰝔󰾷󱅜󰤤󰖑󱆩2.5 V󰾔և󰤏󱌚󰛉󱃣󱇸󰜸󱃾ă󱊄󱁵󰺕󱊵󰾺󰛆󱂙󱊵Lj󰗂󰸴󰚦󰽉󰥲󰾺󰖶󰝴󰹼󰷇󰛉󱃣󰾺0Vă՗6󰢅՗7󰝴՚󰬚󰘜󰬕AD7793󰢅AD7792󰚦󱆶󱁳󰝴Ր󰭲󱅜󰤤󰹼󰘜󰞃󰞃󱊵(p-p)󰝴Ր

՗5. AD7792󰢅AD7793󰚦󰹼󰘜󰨩󰝛󰟵󱈯󰸳(μV)󱇑󱈺󱅮󰢅󰹼󰘜󰟸󱂎󰻏󰭲󰚦󰠲󱀣(󰖑󱆩2.5 V󰾔և󰤏󱌚󰛉󱃣󱇸)

󰟸󱂎󰻏󰭲(Hz) 4.17 8.33 16.7 33.2 62 123 242

470

󱈺󱅮 = 1 󱈺󱅮 = 2 󱈺󱅮 = 4 󱈺󱅮 = 8 󱈺󱅮 = 16

0.64 0.6 0.29 0.22 0.1 1.04 0.96 0.38 0.26 0.13 1.55 1.45 0.54 0.36 0.18 2.3 2.13 0.74 0.5 0.23 2.95 2.85 0.92 0.58 0.29 4.89 4.74 1.49 1 0.48 11.76 9.5 4.02 1.96 0.88 11.33 9.44 3.07 1.79 0.99 󱈺󱅮 = 32 󱈺󱅮 = 64 󱈺󱅮 = 128

0.065 0.039 0.041 0.078 0.057 0.055 0.11 0.087 0.086 0.17 0.124 0.118 0.2 0.153 0.144 0.32 0.265 0.283 0.45 0.379 0.397

0.63 0.568 0.593 󰭲(󰪔󰡽󰰾󰚦󰺕󱌴)ăՂ󱂷󱌀󱅪Lj󱆶󱁳󰝴Ր󰭲󰹟󰫧󱆩󰨩󰝛󰟵󱈯󰸳󰤺󰻙󰚥󰘜Lj󰜸󰞃󰞃󱊵󰝴Ր󰭲󱈶󰹟󰟵󰨍󰞃󰞃󱊵󱈯󰸳󰤺󰻙󰚥󰘜ă󰞃󰞃󱊵󰝴Ր󰭲՗󰹖󰿮󰮓󰷻󰺮󰵧󰪄󱀰󰚦󰝴Ր󰭲ă󱊄󱁵󰺕󰨍󰾺󰛆󱂙󱊵Lj󱅙󰺺󰸛󰿵󰷇󰚟󱍌󰦥󰧎󰚦LSBă

՗6. AD7793󰚦󰛆󱂙󰝴Ր󰭲(󰿋)󱇑󱈺󱅮󰢅󰹼󰘜󰟸󱂎󰻏󰭲󰚦󰠲󱀣(󰖑󱆩2.5 V󰾔և󰤏󱌚󰛉󱃣󱇸)

󰟸󱂎󰻏󰭲(Hz) 4.17 8.33 16.7 33.2 62 123 242 470

󱈺󱅮 = 1 23 (20.5) 22 (19.5) 21.5 (19) 21 (18.5) 20.5 (18) 20 (17.5) 18.5 (16) 18.5 (16)

󱈺󱅮 = 2 22 (19.5) 21.5 (19) 20.5 (18) 20 (17.5) 19.5 (17) 19 (16.5) 18 (15.5) 18 (15.5)

󱈺󱅮 = 4 22 (19.5) 21.5 (19) 21 (18.5) 20.5 (18) 20.5 (18) 19.5 (17) 18 (15.5) 18.5 (16)

󱈺󱅮 = 8 21.5 (19) 21 (18.5) 20.5 (18) 20 (17.5) 20 (17.5) 19 (16.5) 18 (15.5) 18.5 (16)

󱈺󱅮 = 16 21.5 (19) 21 (18.5) 20.5 (18) 20.5 (18) 20 (17.5) 19.5 (17) 18.5 (16) 18 (15.5)

󱈺󱅮 = 32 21 (18.5) 21 (18.5) 20.5 (18) 20 (17.5) 19.5 (17) 19 (16.5) 18.5 (16) 18 (15.5)

󱈺󱅮 = 64 21 (18.5) 20.5 (18) 20 (17.5) 19 (16.5) 19 (16.5) 18 (15.5) 17.5 (15) 17 (14.5)

󱈺󱅮 = 128 20 (17.5) 19.5 (17) 19 (16.5) 18.5 (16) 18 (15.5) 17 (14.5) 16.5 (14) 16 (13.5)

՗7. AD7792󰚦󰛆󱂙󰝴Ր󰭲(󰿋)󱇑󱈺󱅮󰢅󰹼󰘜󰟸󱂎󰻏󰭲󰚦󰠲󱀣(󰖑󱆩2.5 V󰾔և󰤏󱌚󰛉󱃣󱇸)

󰟸󱂎󰻏󰭲(Hz) 4.17 8.33 16.7 33.2 62 123 242 470

󱈺󱅮 = 1 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16)

󱈺󱅮 = 2 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (15.5)

󱈺󱅮 = 4 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (16)

󱈺󱅮 = 8 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (16)

󱈺󱅮 = 16 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5)

󱈺󱅮 = 32 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5)

󱈺󱅮 = 64 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 165 (15.5) 16 (15) 16 (14.5)

󱈺󱅮 = 128 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (14.5) 16 (14) 15.5 (13.5)

Rev. B | Page 11 of 32

AD7792/AD7793

󰰾և󰤏󱌚󰛉󱃣!

՗8󰟴󰘜󰬕󱅃󱁵󰟸󱂎󰻏󰭲󰢅󱈺󱅮󰸢󱋃󱀰󰚦AD7792/AD7793󰚦󰹼󰘜󰨩󰝛󰟵󱈯󰸳ă󰻯󰼵󰠃󰚦󰺕󰨍󱊍󰜔󰺡󰤟󱂠󰹼󰷇󰝔󰾷󱅜󰤤󰖑󱆩1.17 V󰰾և󰤏󱌚󰛉󱃣󱇸󰜸󱃾ă󱊄󱁵󰺕󱊵󰾺󰛆󱂙󱊵Lj󰗂󰸴󰚦󰽉󰥲󰾺󰖶󰝴󰹼󰷇󰛉󱃣󰾺0Vă՗9󰢅՗10󰝴՚󰬚󰘜󰬕AD7793󰢅AD7792󰚦󱆶󱁳󰝴Ր󰭲󱅜󰤤󰹼󰘜󰞃󰞃󱊵(p-p)󰝴Ր

՗8. AD7792󰢅AD7793󰚦󰹼󰘜󰨩󰝛󰟵󱈯󰸳(μV)󱇑󱈺󱅮󰢅󰹼󰘜󰟸󱂎󰻏󰭲󰚦󰠲󱀣DŽ󰖑󱆩󰰾և󰤏󱌚󰛉󱃣󱇸Dž

󰟸󱂎󰻏󰭲(Hz)4.17 8.33 16.7 33.2

62 123 242 470

󱈺󱅮 = 1 󱈺󱅮 = 2 󱈺󱅮 = 4 󱈺󱅮 = 8 󱈺󱅮 = 16 0.81 0.67 0.32 0.2 0.13 1.18 1.11 0.41 0.25 0.16 1.96 1.72 0.55 0.36 0.25 2.99 2.48 0.83 0.48 0.33

3.6 3.25 1.03 0.65 0.46 5.83 5.01 1.69 0.96 0.67 11.22 8.64 2.69 1.9 1.04 12.46 10.58 4.58 2 1.27

󱈺󱅮 = 32 󱈺󱅮 = 64 󱈺󱅮 = 128

0.065 0.04 0.039 0.078 0.058 0.059 0.11 0.088 0.088 0.17 0.13 0.12

0.2 0.15 0.15 0.32 0.25 0.26 0.45 0.35 0.34 0.63 0.50 0.49

󰭲(󰪔󰡽󰰾󰚦󰺕󱌴)ăՂ󱂷󱌀󱅪Lj󱆶󱁳󰝴Ր󰭲󰟵󰨍󰨩󰝛󰟵󱈯

󰸳󰤺󰻙󰚥󰘜Lj󰜸󰞃󰞃󱊵󰝴Ր󰭲󱈶󰹟󰟵󰨍󰞃󰞃󱊵󱈯󰸳󰤺󰻙󰚥󰘜ă󰞃󰞃󱊵󰝴Ր󰭲՗󰹖󰿮󰮓󰷻󰺮󰵧󰪄󱀰󰚦󰝴Ր󰭲ă󱊄󱁵󰺕󰨍󰾺󰛆󱂙󱊵Lj󱅙󰺺󰸛󰿵󰷇󰚟󱍌󰦥󰧎󰚦LSBă

՗9. AD7793󰚦󱆶󱁳󰝴Ր󰭲DŽ󰿋Dž󱇑󱈺󱅮󰢅󰹼󰘜󰟸󱂎󰻏󰭲󰚦󰠲󱀣DŽ󰖑󱆩󰰾և󰤏󱌚󰛉󱃣󱇸Dž

󰟸󱂎󰻏󰭲(Hz)4.17 8.33 16.7 33.2 62 123 242 470

󱈺󱅮 = 1 21.5 (19) 21 (18.5) 20 (17.5) 19.5 (17) 19.5 (17) 18.5 (16) 17.5 (15) 17.5 (15)

󱈺󱅮 = 2 20.5 (18) 20 (17.5) 19.5 (17) 19 (16.5) 18.5 (16) 18 (15.5) 17 (14.5) 17 (14.5)

󱈺󱅮 = 4 21 (18.5) 20.5 (18) 20 (17.5) 19.5 (17) 19 (16.5) 18.5 (16) 17.5 (15) 17 (14.5)

󱈺󱅮 = 8 20.5 (18) 20 (17.5) 19.5 (17) 19 (16.5) 19 (16.5) 18 (15.5) 17 (14.5) 17 (14.5)

󱈺󱅮 = 16 20 (17.5) 20 (17.5) 19 (16.5) 19 (16.5) 18.5 (16) 17.5 (15) 17 (14.5) 17 (14.5)

󱈺󱅮 = 32 20 (17.5) 20 (17.5) 19.5 (17) 18.5 (16) 18.5 (16) 18 (15.5) 17.5 (15) 17 (14.5)

󱈺󱅮 = 64 20 (17.5) 19 (16.5) 18.5 (16) 18 (15.5) 18 (15.5) 17 (14.5) 16.5 (14) 16 (13.5)

󱈺󱅮 = 128 19 (16.5) 18 (15.5) 17.5 (15) 17 (14.5) 17 (14.5) 16 (13.5) 15.5 (13) 15 (12.5)

՗10. AD7792󰚦󱆶󱁳󰝴Ր󰭲DŽ󰿋Dž󱇑󱈺󱅮󰢅󰹼󰘜󰟸󱂎󰻏󰭲󰚦󰠲󱀣DŽ󰖑󱆩󰰾և󰤏󱌚󰛉󱃣󱇸Dž

󰟸󱂎󰻏󰭲(Hz)4.17 8.33 16.7 33.2 62 123 242 470

󱈺󱅮 = 1 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15) 16 (15)

󱈺󱅮 = 2 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (14.5) 16 (14.5)

󱈺󱅮 = 4 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15) 16 (14.5)

󱈺󱅮 = 8 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (14.5) 16 (14.5)

󱈺󱅮 = 16 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15) 16 (14.5) 16 (14.5)

󱈺󱅮 = 32 16 (16) 16 (16) 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (15) 16 (14.5)

󱈺󱅮 = 64 16 (16) 16 (16) 16 (16) 16 (15.5) 16 (15.5) 16 (14.5) 16 (14) 15.5 (13.5)

󱈺󱅮 = 128 16 (16) 16 (15.5) 16 (15) 16 (14.5) 16 (14.5) 15.5 (13.5) 15 (13) 14.5 (12.5)

Rev. B | Page 12 of 32

󰛆󱂙󰟾󱍕󰼬󱂠!

838880083887508388700DA8388650RE DE8388600CO83885508388500600-55883884504002004006008001000READING NUMBER

󰽮6. AD7793󰚦󰛆󱂙󱈯󰸳󰽮(󰰾և󰤏󱌚󰛉󱃣Lj󱈺󱅮 = 64Lj󰟸󱂎󰻏󰭲 = 16.7 Hz)161412CE10NRER8UCCO642700-55840838848208388520838856083886008388640838868083887208388750CODE

󰽮7. AD7793󰚦󱈯󰸳󰝴ք󱊱󰝛󰽮)󰰾և󰤏󱌚󰛉󱃣Lj󱈺󱅮 = 64Lj󰟸󱂎󰻏󰭲 = 16.7 Hz*20)%( CENRERUC10CO800-558040–2.0–1.2–0.8–0.400.40.81.21.62.0MATCHING (%)

󰽮8. 󰣍󰧣󰿒󰜈󱀰󰤘󰫤󰛉󰭁󰳅󰲦(210 μA) Rev. B | Page 13 of 32

AD7792/AD7793

20)%( CENRERUC10CO900-558040–1.75–1.05–0.70–0.3500.350.701.051.401.75MATCHING (%)

󰽮9. 󰣍󰧣󰿒󰜈󱀰󰤘󰫤󰛉󰭁󰳅󰲦(1 mA) 908070)ms60( EMIT50 PU-R40EW30PO2010010-55804002004006008001000LOAD CAPACITANCE (nF)

󰽮10. 󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰸉󰛉󰹉󰥘󱇑󰞶󱈜󰛉󰶹󰚦󰠲󱀣3.0VUPDATE RATE = 16.6HzDD = 5V2.5TA = 25°C)2.0Vμ( SEI1.5NO SMR1.00.5110-55804000.51.01.52.02.53.03.54.04.55.0REFERENCE VOLTAGE (V)

󰽮11 󰨩󰝛󰟵󱈯󰸳󱇑󰤏󱌚󰛉󱃣󰚦󰠲󱀣(󱈺󱅮 = 1)AD7792/AD7793

󰳌󰰾󰤸󰙪󰴗!

ADC󱆯󱂹󰜠󰳌󰰾󰤸󰙪󰴗󰧊󱂜󰩦󱋆󰢅󰲦󱋃Lj󱀰󰯬󰚦󱉤󰦬󰥽󰜔󱊄󱁵󰤸󰙪󰴗󰧊󱂜󱁘󱀦󰚦󰺫󰯽ă󱈞󱀰󰯬󰚦󰯮󰺎󱋐Lj󰷃󰿮󰼬󰹺󰺫󰯽Lj“󱋃1”՗󰹖󰮇󰤡1󱌒󰼀Lj“󰵣0”՗󰹖󰮇󰤡0󱌒󰼀ă

󰽚󱂑󰤸󰙪󰴗

RS2, RS1, RS0 = 0, 0, 0

󰽚󱂑󰤸󰙪󰴗󰹟󱅃󰟲8󰿋󱊻󱂀󰤸󰙪󰴗ă󱇑ADC󰴗󰥲󱊮󰥘󰚦󰻯󱆶󰽚󱂑󰨩Ղ󱂷󱅜󰜔󰽚󱂑󰤸󰙪󰴗󰚦󱂀󰖡󱍕󰨸󰹔ă󱂀󰷇󰽚󱂑󰤸󰙪󰴗󰚦󰺕󰨍󰨦󰛨󰬕󱀰󱅃󰟲󰖡󱍕󰹟󰜁󰖡󱍕󰣏󰹟󱂀󰖡󱍕Lj󱅜󰤤󰙏󰖡󱍕󰚦󰖡󱍕󰜔󱁡󰹟󰰨󱅃󰟲󰤸󰙪󰴗ă󰜔󱇀󰜁/󱂀󰖡󱍕Lj󰚓󰜔

󱃋󰛨󰤸󰙪󰴗󰚦󰜁/󱂀󰖡󱍕󰾜󰗯󰢫Lj󰦥󰩨󰝓󰣮󰚟󰜔󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕󰚦󱌒󰼀ă󱊄󰹟󰦥󰩨󰚦󰰐󰶫󱌒󰼀Lj󱈞󰸉󰛉󰤈󰞰󰿋󰢫LjADC󰥽󰘪󱇀󰙏󰰐󰶫󱌒󰼀Lj󰚪󰚁󰜔󰽚󱂑󰤸󰙪󰴗󰚦󱂀󰖡󱍕ă󰚓󰦥󰩨󰹉󱂾󰛪󰸿󱊮󰢫Lj󱊴󱂜󱅃󰟲󱉞󱆩󱋁󰸓32󰟲󰘲󱂜󰹉󱋓󱋜󰳺󰚦󱂀󰖡󱍕Ljժ󰹑DIN󰘪󱇀󰟛󰛉󰳝󱌒󰼀Lj󰥽󰩗󱅜󰞰󰿋󱊝󰟲󰴗󰥲Lj󰙗󰜸󰶟ADC󰝓󰣮󰙏󰰐󰶫󱌒󰼀ă՗11󰬚󰘜󰬕󰽚󱂑󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎ăCR0󱋁CR7՗󰹖󰿋󰚦󰿋󱋃LjCR󰺫󰯽󱊄󱁵󰿋󰺌󱇀󰽚󱂑󰤸󰙪󰴗ăCR7՗󰹖󰺕󰨍󰭁󰚦󰚼󱅃󰿋ă󰪔󰡽󱋐󰚦󰺕󱊵՗󰹖󰞿󰿋󰚦󰸉󰛉/󰞰󰿋󰰐󰶫󱌒󰼀ă

CR7 WEN(0)

CR6 R/W(0) CR5 RS2(0) CR4 RS1(0) CR3 RS0(0) CR2 CREAD(0) CR1 0(0) CR0 0(0) ՗11. 󰽚󱂑󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎󰿋󰿋󱋃 CR7 󰿋󰰁󰗬 WEN󰯮󰺎󱂀󰷇󰹑󰱀󰿋ă󰥽0󱂀󰷇󰙏󰿋󰢫Lj󰜔󰽚󱂑󰤸󰙪󰴗󰚦󱂀󰖡󱍕󰖍󱆶󱁳ă󰷃󰡕󰚼󱅃󰿋󱂀󰷇1Lj󱈶󰴗󰥲փ󰣷󰥽󰻜󰢫󰚦󰿋󱈜󰷇󰤸󰙪󰴗Lj󰻲󰥽󰽕󰬾󱈞󰙏󰿋󰚦󰿋󱋃Lj󱊱󰚟󰙏󰿋󱂀󰷇0ă󱅃󰚋󰥽0󱂀󰷇WER󰿋Lj󰴗󰥲Ս󰣷󰥽󰢫󱃄7󰿋󰺕󰨍󱈜󰷇󰽚󱂑󰤸󰙪󰴗ă 󰷃󰡕󰙏󰿋󰾺0Lj󱈶՗󰹖󱀰󱅃󰟲󰖡󱍕󰹟󰜔󱊸󰛨󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕ă󰷃󰡕󰙏󰿋󰾺1Lj󱈶՗󰹖󱀰󱅃󰟲󰖡󱍕󰹟󰜔󱊸󰛨󰤸󰙪󰴗󱊴󱂜󰜁󰖡󱍕ă󰤸󰙪󰴗󰚺󱊷󰿋ă󱊄󱁵󰚺󱊷󰿋󰨦󰛨󱈞󰘲󱂜󰦥󰩨󰽚󱂑󰳺󰥘󱃋󱈵ADC󰚦󰰨󱁵󰤸󰙪󰴗ă󰖖󰥯՗12ă 󰫶󱃄󰜁󰵽󰺕󰨍󰤸󰙪󰴗ă󰚓󰞿󰿋ԥ󱋃󰾺1(󰵐󰺕󱌴󰤸󰙪󰴗󱅙󱃋)Lj󰘲󱂜󰦥󰩨󰩗󱅜󰫶󱃄󰙗󰺕󰨍󰤸󰙪󰴗󰰾󰜁󰵽󰺕󰨍ă󰫩󰷃Lj󰚓RDY󱆅󰦗Վ󰾺󰚯󰛉󰳝󱅜󰼵󰹖󱌈󰣑󰾜󰗯󰢫Lj󱈞SCLK󰮞󰘋󰹁󰥇󱇀ADC󰹉Lj󰺕󰨍󰤸󰙪󰴗󰚦󰰾󰶹󱌲󰛯󱋃󱇀DOUT󱆅󰦗󰸉ă󰜔󱇀󰢫󱃄󰺕󰨍󰜁󰵽LjփՂ󰜔󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕ă󱄲󰹑󰱀󰫶󱃄󰜁󰵽󰰇󰹕LjՂ󱂷󰥽󱊸󰬸01011100󱂀󰷇󰽚󱂑󰤸󰙪󰴗ă󰷐󱄲󰽽󰘜󰫶󱃄󰜁󰵽󰰇󰹕LjՂ󱂷󱈞RDY󱆅󰦗󰾺󰚯󰛉󰳝󰹉󰥽󱊸󰬸01011000󱂀󰷇󰽚󱂑󰤸󰙪󰴗ă󱈞󰫶󱃄󰜁󰵽󰰇󰹕󱀰LjADC󰣷󰥔󰩦DIN󱁍󰭟󰸉󰚦󰤄󰛯Lj󱅜Ս󰱀󰦥󰹭󱊸󰬸󰙗󰜸󰽽󰘜󰫶󱃄󰜁󰵽󰰇󰹕ă󰙏󰾔Lj󰷃󰡕DIN󰸉󰫶󱃄󰘜󱁄32󰟲1LjADC󰥽󰞰󰿋ă󱅺󰙏Lj󱈞󰫶󱃄󰜁󰵽󰰇󰹕󱀰Lj󱈞󱆶󱊸󰬸󱂀󰷇󰴗󰥲󰴮LjDIN󱆌ԍ󰗼󰚯󰛉󰳝ă Ղ󱂷󰥽󱊄󱁵󰿋Պ󰗲󰾺󰮇󰤡1󰖍󰱀󱊟󰗉󰟾󱍕ă!CR6 CR5 to CR3 CR2 R/WRS2 to RS0 CREAD CR1 to CR0

0 ՗12. 󰤸󰙪󰴗󱃋󱈵

RS2 0 0 0 0 0 1 1 1 1

RS1 0 0 0 1 1 0 0 1 1

RS0 0 0 1 0 1 0 1 0 1

󰤸󰙪󰴗

󱂀󰖡󱍕󰳺󰥘󰾺󰽚󱂑󰤸󰙪󰴗 󰜁󰖡󱍕󰳺󰥘󰾺󱌒󰼀󰤸󰙪󰴗 󰰇󰹕󰤸󰙪󰴗 󰲦󱋃󰤸󰙪󰴗 󰺕󰨍󰤸󰙪󰴗 ID󰤸󰙪󰴗 IO󰤸󰙪󰴗 󰸿󰛙󰤸󰙪󰴗 󰮢󰬉󰗲󰤸󰙪󰴗

󰤸󰙪󰴗󰙷󱁭!!

󱂀󰖡󱍕󰳺󰥘󰾺󰽚󱂑󰤸󰙪󰴗 󰜁󰖡󱍕󰳺󰥘󰾺󱌒󰼀󰤸󰙪󰴗 󰰇󰹕󰤸󰙪󰴗 󰲦󱋃󰤸󰙪󰴗 󰺕󰨍󰤸󰙪󰴗 ID󰤸󰙪󰴗 IO󰤸󰙪󰴗 󰸿󰛙󰤸󰙪󰴗 󰮢󰬉󰗲󰤸󰙪󰴗

Rev. B | Page 14 of 32

AD7792/AD7793

󱌒󰼀󰤸󰙪󰴗

RS2, RS1, RS0 = 0, 0, 0Ǘ󰸉󰛉/󰞰󰿋 = 0x80 (AD7792)/0x88 (AD7793)

󱌒󰼀󰤸󰙪󰴗󰹟󱅃󰟲8󰿋󱊻󰜁󰤸󰙪󰴗ă󱄲󰝡󰿚ADC󱌒󰼀󰤸󰙪󰴗Lj󱆩󰢽Ղ󱂷󰜔󰽚󱂑󰤸󰙪󰴗󰧊󱂜󱂀󰖡󱍕Lj󱃋󱈵󱀰󱅃󰟲󰖡󱍕󰾺󰜁󰖡󱍕Ljժ󰥽0󱈜󰷇󰿋RS2Ă󰿋RS1󰢅󰿋RS0Lj՗13󰬚󰘜󰬕󱌒󰼀󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎ăSR0󱋁SR7՗󰹖󰿋󰚦󰿋󱋃LjSR󰺫󰯽󱊄󱁵󰿋󰺌󱇀󱌒󰼀󰤸󰙪󰴗ăSR7՗󰹖󰺕󰨍󰭁󰚦󰚼󱅃󰿋ă󰪔󰡽󱋐󰚦󰺕󱊵՗󰹖󰞿󰿋󰚦󰸉󰛉/󰞰󰿋󰰐󰶫󱌒󰼀ă

SR7 RDY(1) SR6 ERR(0) SR5 0(0) SR4 0(0) SR3 0/1 SR2 CH2(0) SR1 CH1(0) SR0 CH0(0) ՗13. 󱌒󰼀󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎󰿋󰰁󰗬 SR7 󰿋󰰁󰗬 RDY󰯮󰺎 ADC󰧽󱃃󰿋ă󰚓󰺕󰨍󱂀󰷇ADC󰺕󰨍󰤸󰙪󰴗󰢫Lj󰞿󰿋󰵣0ă󰜁󰵽ADC󰺕󰨍󰤸󰙪󰴗󱊮󰢫Lj󰤈󱊁󱈞󱆩󱂎󱌈󰣑󰦳󰡕󰟸󱂎󰺕󰨍󰤸󰙪󰴗󱊮󰴮󰚦󱅃󰜎󰹉󰥘󰰾LjRDY󰿋󱌲󰛯󱋃1Lj󱅜󰟢󱊪󱆩󰢽փ󱆌󰜁󰵽󱌈󰣑󰺕󰨍ă󰚓󰴗󰥲󱈞󰸹󰛉󰰇󰹕󱀰󰹉Lj󰞿󰿋󱄺󰾺1ăDOUT/RDY󱆅󰦗󱄺󰣷󱊸󰹖󱌈󰣑󰢆󰹉󰦳󰺐ă󰞿󱆅󰦗󰩗󱅜󰙾󰼺󱌒󰼀󰤸󰙪󰴗󰪠󰥔󰹫ADC󱆶󰿮󱌈󰣑󰺕󰨍ă ADC󰙱󱀃󰿋ă󰙏󰿋󱇑 󰿋󰽞󰹉󱂀󰷇ă󰞿󰿋󰾺1󰺫󰯽󱂀󰷇ADC󰺕󰨍󰤸󰙪󰴗󰚦󰦳󰡕󱶏󰿋󰾺󰶇0󰤈󰶇1ă󰚞󱋂󰘜󰙱󰚦󱇱󱅺󰾺󰗒󰬉󰗲󰢅󰴵󰬉󰗲ă 󰴔󰛯󱌈󰣑󰚦󱂀󰖡󱍕󰩗󰥽󰞿󰿋󰵣0ă󱊄󱁵󰿋󱌲󰛯󰵣0ă 󰜔󱇀AD7792Lj󰙏󰿋󱌲󰛯󰵣0Ǘ󰜔󱇀AD7793Lj󰙏󰿋󱌲󰛯󱋃1ă 󱊄󱁵󰿋՗󰹖ADC󱊟󱈞󰜔󰰨󱅃󰽚󰚢󱊴󱂜󱌈󰣑󰖡󱍕ă SR6 ERR SR5 󱋁 SR4 SR3 SR2 󱋁 SR0 0 0/1 CH2 󱋁 CH0

󰰇󰹕󰤸󰙪󰴗

RS2, RS1, RS0 = 0, 0, 1Ǘ󰸉󰛉/󰞰󰿋 = 0x000A

󰰇󰹕󰤸󰙪󰴗󰾺󱅃16󰿋󰤸󰙪󰴗Lj󰩗󱅜󰜁󰵽󰢅󱂀󰷇󰺕󰨍ă󰞿󰤸󰙪󰴗󱆩󱇀󱃋󱈵󱈏󱂜󰰇󰹕Ă󰟸󱂎󰻏󰭲󰢅󰹉󱋓󱇸ă՗14󰬚󰘜󰬕󰰇󰹕󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎ăMR0󱋁MR15՗󰹖󰿋󰚦󰿋󱋃LjMR󰺫󰯽󱊄󱁵󰿋󰺌󱇀󰰇󰹕󰤸󰙪󰴗ăMR15՗󰹖󰺕󰨍󰭁󰚦󰚼󱅃󰿋ă󰪔󰡽󱋐󰚦󰺕󱊵՗󰹖󰞿󰿋󰚦󰸉󰛉/󰞰󰿋󰰐󰶫󱌒󰼀ă󱊻󱄲󰜔󰸢󱋃󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕Lj󰧽󰣷󰞰󰿋󰛙󱋆󰴗󰢅󰭳հ󰴗Ljժ󰥽 󰿋󱋃1ă

MR15 MR14 MR13 MR12 MR11 MR10 MR9 MR8 MD2(0) MD1(0) MD0(0) 0(0) 0(0) 0(0) 0(0) 0(0) MR7 MR6 MR5 MR4 MR3 MR2 MR1 MR0 CLK1(0) CLK0(0) 0(0) 0(0) FS3(1) FS2(0) FS1(1) FS0(0)

՗14. 󰰇󰹕󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎

󰿋󰿋󱋃 MR15 󱋁 MR13

MR12 󱋁 MR8 MR7 󱋁 MR6

󰿋󰰁󰗬 MD2 󱋁 MD0 0

CLK1 󱋁 CLK0

󰯮󰺎

󰰇󰹕󱃋󱈵󰿋ă󱊄󱁵󰿋󱃋󱈵AD7792/AD7793󰚦󰟾󱍕󰰇󰹕DŽ󰖖󰥯՗15Džă Ղ󱂷󰥽󱊄󱁵󰿋Պ󰗲󰾺󰮇󰤡0󰖍󰱀󱊟󰗉󰟾󱍕ă

󱊄󱁵󰿋󱆩󰪠󱃋󱈵AD7792/AD7793󰚦󰹉󱋓󱇸ă󰩗󱅜󰹑󱆩󰳌󰰾64 kHz󰹉󱋓󰤈󰾔և󰹉󱋓ă󰦺󱋺󰾔և󰹉󱋓󰹍󱁄󰞮󱂀Lj󰩗ԍ󱊤󰜠󰟲AD7792/AD7793󰴗󰥲󱊮󰥘󰚦󰽞օă󰙏󰾔Lj󰚓󰖑󱆩󰧛󰶓󰚦󰾔և󰹉󱋓󰵻󰛯AD7792/AD7793󰹉Lj󰩗󱅜󰟀󰸀50 Hz/60 Hz󱅞󱋆󱂠󰱀ăCLK1 0 0 1

CLK0 0 1 0

ADC Clock Source

64 kHz󰰾և󰹉󱋓ăCLK󱆅󰦗փ󰼵󰠃󰰾և󰹉󱋓ă 64 kHz󰰾և󰹉󱋓ăCLK󱆅󰦗󰼵󰠃󰙏󰰾և󰹉󱋓ă

64 kHz󰾔և󰹉󱋓ă󰾔և󰹉󱋓󰩗󱅜󰟀󰸀50 Hz/60 Hz󱅞󱋆󱂠󰱀ă󰖖󰥯󰾔և󰹉󱋓󰚦󰡀󰟭ă

󰻯󱃋󰾔և󰹉󱋓ă󰾔և󰹉󱋓󱈞AD7792/AD7793󰰾ԥ2󰝴󰳕ă

MR5 󱋁 MR4 MR3 󱋁 MR0

1 1

Ղ󱂷󰥽󱊄󱁵󰿋Պ󰗲󰾺󰮇󰤡0󰖍󰱀󱊟󰗉󰟾󱍕ă 0

FS3 󱋁 FS0 󰭳հ󰴗󰟸󱂎󰻏󰭲󱃋󱈵󰿋(󰖖󰥯՗16)ă

Rev. B | Page 15 of 32

AD7792/AD7793

՗15. 󰟾󱍕󰰇󰹕MD2 MD1 MD0 󰰇󰹕0 0 0 󰫶󱃄󱌈󰣑󰰇󰹕)󰰐󰶫*ă󱈞󰫶󱃄󱌈󰣑󰰇󰹕󱀰LjADC󰫶󱃄󱊴󱂜󱌈󰣑󰖡󱍕ժ󰥽󰦳󰡕󱋃󱇀󰺕󰨍󰤸󰙪󰴗󱋐ă󰚓󱌈󰣑󰾜󰗯󰢫LjRDYՎ󰾺󰚯󰛉󰳝ă󰥽󰴗󰥲󱋃󱇀󰫶󱃄󰜁󰵽󰰇󰹕󱀰󱊮󰢫Lj󱆩󰢽󰩗󱅜󰜁󰵽󱊄󱁵󱌈󰣑󰦳󰡕Ǘ󰚓󰹁󰥇SCLK󰮞󰘋󰹉Lj󱌈󰣑󰦳󰡕󱌲󰛯󱋃󱇀DOUT󱁍󰭟󰸉ă󰬷󱅃󰝛󰯬Lj󱆩󰢽󰩗󱅜󰽚󰡗󰜔󰽚󱂑󰤸󰙪󰴗󰧊󱂜󱂀󰖡󱍕Lj󱊸󰹖ADC󰹼󰘜󱌈󰣑󰦳󰡕ă󰸉󰛉󰢫Lj󰷃󰽚󰚢󰗂󰸴Վ󰣅󰤈󰜔󰰇󰹕󰤸󰙪󰴗Ă󰲦󱋃󰤸󰙪󰴗󰤈IO󰤸󰙪󰴗󰧊󱂜󱅃󰙒󱂀󰖡󱍕󰢫Lj󰚼󱅃󰙒󱌈󰣑󰖡󱍕󰥽󱈞2/fADC󱋜󰳺󰢫󰧊󱂜ă󱈞fADC󰳕󰭲󱀰Lj󰩗󱅜󰾜󰗯󰫶󱃄󱌈󰣑ă 0 0 1 󰚇󰙒󱌈󰣑󰰇󰹕ă󱃋󱈵󰚇󰙒󱌈󰣑󰰇󰹕󱊮󰢫LjADC󰸉󰛉ժ󱊴󱂜󰚇󰙒󱌈󰣑ă󱊓󰚖󰴗󰸉󰛉󰢅󰥺󰫬󱂴󱄲1 msă󰶗󰢫LjADC󱊴󱂜󱌈󰣑󰖡󱍕Lj󱌈󰣑󰖡󱍕󱂴󱄲󰢾󰝯󰚦󰹉󰥘󰾺2/fADCă󱌈󰣑󰦳󰡕ԥԍ󰙪󱈞󰺕󰨍󰤸󰙪󰴗󱋐LjRDYՎ󰾺󰚯󰛉󰳝Lj󰶗󰢫ADC󰝓󰣮󰸹󰛉󰰇󰹕ă󱈞󰺕󰨍ԥ󰜁󰵽󰤈󱊴󱂜󱂎󱅃󰙒󱌈󰣑󱊮󰴮Lj󰚓󰴮󰚦󱌈󰣑󰦳󰡕󰥽󱅃󱊱ԥԍ󰙪󱈞󰺕󰨍󰤸󰙪󰴗󱋐Ljժ󰵐 ԍ󰗼󱈞󰚯󰛉󰳝󱌒󰼀ă 󰩣󱀾󰰇󰹕ă 󱈞󰩣󱀾󰰇󰹕󱀰LjADC󰭳հ󰴗󰢅󰛙󱋆󰴗ԍ󰗼󱈞󰞰󰿋󱌒󰼀Lj󰚍󰶰󰶗󰼵󰠃󰛙󱋆󰴗󰹉󱋓ă󰸹󰛉󰰇󰹕ă󱈞󰸹󰛉󰰇󰹕󱀰LjAD7792/AD7793󰚦󰻯󱆶󰛉󰭟DŽԈ󰪔󰛉󰭁󱇸Ă󰶷󰜏󰛉󰭁Ă󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰢅CLKOUTDž󰨩󰘪󱇀󰠲Կ󱌒󰼀ă 󰰾և󰬭󰛉󰳝󱁯󱌚ă󰰾և󰜌󰭟󱌲󰛯󰫶󰦥󰚟󰹑󰱀󰚦󰽚󰚢ă󱁯󱌚󰖡󱍕󱂴󱄲󰢾󰝯󰬇󰟲󱌈󰣑󱋜󰳺ă󰚓󱁯󱌚󰴔󰛯󰢫LjRDYՎ󰾺󰟛󰛉󰳝Ǘ󰚓󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjRDY󰣬󰞰󰾺󰚯󰛉󰳝󱌒󰼀ă󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjADC󰘪󱇀󰩣󱀾󰰇󰹕ă󰖪󰚥󰚦󰸿󰛙󱀣󰺕ԍ󰙪󱈞󰻯󱃋󰽚󰚢󰚦󰸿󰛙󰤸󰙪󰴗󱋐ă 󰰾և󰮢󰬉󰗲󱁯󱌚ă󰜔󱇀󰞿󱁯󱌚Lj󰮢󰬉󰗲󰹼󰷇󰛉󱃣󰣷󱌲󰛯󰫶󰦥󰚟󱃋󰛨󰚦󰰇󰱆󰹼󰷇ă󰚓󱈺󱅮󰾺1󰹉Lj󰾜󰗯󱁯󱌚󱂴󱄲2󰟲󱌈󰣑󱋜󰳺ă󰜔󱇀󰟸󰟛󱈺󱅮Lj󱊴󱂜󰮢󰬉󰗲󱁯󱌚󱂴󱄲󰺺󰟲󱌈󰣑󱋜󰳺ă󰚓󱁯󱌚󰴔󰛯󰢫LjRDYՎ󰾺󰟛󰛉󰳝Ǘ󰚓󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjRDY󰣬󰞰󰾺󰚯󰛉󰳝󱌒󰼀ă󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjADC󰘪󱇀󰩣󱀾󰰇󰹕ă󰖪󰚥󰚦󰮢󰬉󰗲󱀣󰺕ԍ󰙪󱈞󰻯󱃋󰽚󰚢󰚦󰮢󰬉󰗲󰤸󰙪󰴗󱋐ă󰚓󱈺󱅮󰾺128󰹉Ljփ󱈎󱂹󱊴󱂜󰰾և󰮢󰬉󰗲󱁯󱌚Lj󰚍󱈎󱂹󱊴󱂜󱀣󰽥󰮢󰬉󰗲󱁯󱌚ă󰯅󰙒󰟸󰟀󱅃󰟲󰽚󰚢󰚦󱈺󱅮󰹉Lj󰛼󱂴󱄲󱊴󱂜󰮢󰬉󰗲󱁯󱌚Lj󱅜Ս󰥽󰮢󰬉󰗲󱀃󰖶󰦇󱋁󱍌󱁭ă 0 0 1 1 0 1 1 0 0 1 0 1 1 1 0 󱀣󰽥󰬭󰛉󰳝󱁯󱌚ă󱆩󰢽󱆌󰥽󱀣󰽥󰬭󰛉󰳝󰹼󰷇󰫶󰦥󰚟󱆯CH2󰿋󱋁CH0󰿋󰚦󱊵󰻯󰨦󰛨󰚦󰽚󰚢󰹼󰷇󱆅󰦗ă󱅃󰟲󱀣󰽥󰸿󰛙󱁯󱌚󱂴󱄲󰢾󰝯󰬇󰟲󱌈󰣑󱋜󰳺ă󰚓󱁯󱌚󰴔󰛯󰢫LjRDYՎ󰾺󰟛󰛉󰳝Ǘ󰚓󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjRDY󰣬󰞰󰾺󰚯󰛉󰳝󱌒󰼀ă󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjADC󰘪󱇀󰩣󱀾󰰇󰹕ă󰖪󰚥󰚦󰸿󰛙󱀣󰺕ԍ󰙪󱈞󰻯󱃋󰽚󰚢󰚦󰸿󰛙󰤸󰙪󰴗󱋐ă 󱀣󰽥󰮢󰬉󰗲󱁯󱌚ă󱆩󰢽󱆌󰥽󱀣󰽥󰮢󰬉󰗲󰹼󰷇󰫶󰦥󰚟󱆯CH2󰿋󱋁CH0󰿋󰚦󱊵󰻯󰨦󰛨󰚦󰽚󰚢󰹼󰷇󱆅󰦗ă󱁯󱌚󰖡󱍕󱂴󱄲󰢾󰝯󰬇󰟲󱌈󰣑󱋜󰳺ă󰚓󱁯󱌚󰴔󰛯󰢫LjRDYՎ󰾺󰟛󰛉󰳝Ǘ󰚓󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjRDY󰣬󰞰󰾺󰚯󰛉󰳝󱌒󰼀ă󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjADC󰘪󱇀󰩣󱀾󰰇󰹕ă󰖪󰚥󰚦󰮢󰬉󰗲󱀣󰺕ԍ󰙪󱈞󰻯󱃋󰽚󰚢󰚦󰮢󰬉󰗲󰤸󰙪󰴗󱋐ă󰯅󰙒󰟸󰟀󱅃󰟲󰽚󰚢󰚦󱈺󱅮󰹉Lj󰛼󱂴󱄲󱊴󱂜󰮢󰬉󰗲󱁯󱌚ă 1 1 1

՗16. 󰩗󱆩󰟸󱂎󰻏󰭲

FS3 0 0 0 0 0 0 0 0 1

FS2 0 0 0 0 1 1 1 1 0

FS1 0 0 1 1 0 0 1 1 0

FS0 0 1 0 1 0 1 0 1 0

fADC (Hz) x 470 242 123 62 50 39 33.2 19.6

tSETTLE (ms) x 4 8 16 32 40 48 60 101

50 Hz/60 Hz󱅞󱋆(󰰾և󰹉󱋓)

90 dB)󰧈60 Hz*

Rev. B | Page 16 of 32

AD7792/AD7793

FS3 FS2 FS1 FS0 fADC (Hz) 1 0 0 1 16.7 1 0 1 0 16.7 1 0 1 1 12.5 1 1 0 0 10 1 1 0 1 8.33 1 1 1 0 6.25

1 1 1 1 4.17

tSETTLE (ms) 120 120 160 200 240 320

480

50 Hz/60 Hz󱅞󱋆DŽ󰰾և󰹉󱋓Dž 80 dB)󰧈50 HzDž 65 dB )50 HzĂ60 Hz*66 dB )50 HzĂ60 Hz* 69 dB )50 HzĂ60 Hz*70 dB )50 HzĂ60 Hz* 72 dB )50 HzĂ60 Hz*74 dB )50 HzĂ60 Hz*

󰲦󱋃󰤸󰙪󰴗

RS2, RS1, RS0 = 0, 1, 0Ǘ󰸉󰛉/󰞰󰿋 = 0x0710

󰲦󱋃󰤸󰙪󰴗󰹟󱅃󰟲16󰿋󰤸󰙪󰴗Lj󰩗󱅜󰜁󰵽󰢅󱂀󰷇󰺕󰨍ă󰞿󰤸󰙪󰴗󱆩󰪠󰲦󱋃ADC󰚦󰚇󰤟󱂠󰤈󰺡󰤟󱂠󰰇󰹕Ă󰹑󰱀󰤈󰧍󱆩󰣐󰘋󰴗Ă󰹑󰱀󰤈󰧍󱆩󰶷󰜏󰛉󰭁Ă󱃋󱈵󱈺󱅮󱅜󰤤󱃋󱈵󰰇󰱆󰹼󰷇󰽚󰚢ă՗17󰬚󰘜󰬕󰲦󱋃󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎ăCON0󱋁CON15՗󰹖󰿋󰚦󰿋󱋃LjCON󰺫󰯽󱊄󱁵󰿋󰺌󱇀󰲦󱋃󰤸󰙪󰴗ăCON15՗󰹖󰺕󰨍󰭁󰚦󰚼󱅃󰿋ă󰪔󰡽󱋐󰚦󰺕󱊵՗󰹖󰞿󰿋󰚦󰸉󰛉/󰞰󰿋󰰐󰶫󱌒󰼀ă

CON15 VBIAS1(0) CON14 VBIAS0(0) CON13 BO(0) CON12 U/B(0) CON11 BOOST(0) CON10 G2(1) CON9 G1(1) CON8 G0(1) CON7 CON6 CON5 CON4 CON3 CON2 CON1 CON0 REFSEL(0) 0(0) 0(0) BUF(1) 0(0) CH2(0) CH1(0) CH0(0)

՗17. 󰲦󱋃󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎󰿋󰿋󱋃 CON15 󱋁 CON14 CON13 󰿋󰰁󰗬 VBIAS1 󱋁 VBIAS0 BO 󰯮󰺎 󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰹑󰱀ă󰰇󰱆󰹼󰷇󰚦󰞶󰜋󰚦󱍌󰙷󰳋󱋃󰛉󱃣󰩗󰙳AVDD/2ă󱊄󱁵󰿋󱆌󱇑󰸷󱃣󰿋󱅃󰴐󰹑󱆩ăVBIAS1 0 0 1 VBIAS0 0 1 0 󰳋󱋃󰛉󱃣󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰧍󱆩 󰳋󱋃󰛉󱃣󰫶󰦥󱋁AIN1(−) 󰳋󱋃󰛉󱃣󰫶󰦥󱋁AIN2(−) ԍ󰬾 1 1 󰶷󰜏󰛉󰭁󰹑󰱀󰿋ă󱆩󰢽󰥽󰞿󰿋󱋃1Lj󰩗󰹑󰱀󱂑󰡽󰭟󰧦󱋐󰚦100 nA󰛉󰭁󱇸ăBO = 0󰥽󰧍󱆩󰶷󰜏󰛉󰭁ă󰧈󰚓󰣐󰘋󰴗󰤈󱅏՗󰝣󰙷󰴗󰘪󱇀󱆶󱁳󱌒󰼀󰹉Lj󰖍󰱀󰹑󰱀󰶷󰜏󰛉󰭁ă 󰺡󰤟󱂠/󰚇󰤟󱂠󰿋ă󱆩󰢽󰥽󰞿󰿋󱋃1Lj󰥽󰹑󰱀󰚇󰤟󱂠Պ󰮓Lj󰤨󰬭󰖶󰝴󰹼󰷇󰗂󰸴0x000000󰹼󰘜Lj󰮢󰬉󰗲󰖶󰝴󰹼󰷇󰗂󰸴0xFFFFFF󰹼󰘜ă󱆩󰢽󰵣0󰥽󰹑󰱀󰺡󰤟󱂠Պ󰮓ă󰞶󰮢󰬉󰗲󰖶󰝴󰹼󰷇󰗂󰸴󰚦󰹼󰘜󰮓󰾺0x000000Lj󰬭󰖶󰝴󰹼󰷇󰗂󰸴󰚦󰹼󰘜󰮓󰾺0x800000Lj󱊟󰮢󰬉󰗲󰖶󰝴󰹼󰷇󰗂󰸴󰚦󰹼󰘜󰮓󰾺0xFFFFFFă󰙏󰿋󱆌󱇑VBIAS1󰿋󰢅VBIAS0󰿋󱅃󰽞󰹑󱆩ă󱋃1󰹉Lj󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰚦󰠀󰡼󰼵󰟛Lj󰸉󰛉󰹉󰥘󰻫󰜌ă 󱈺󱅮󱃋󱈵󰿋ă 󱆯󱆩󰢽󱂀󰷇Lj󱅜󱃋󱈵󱀰󰬚ADC󰹼󰷇󰝔󰾷󱊮󱅃ǖ ADC󰹼󰷇󰝔󰾷DŽ2.5 V󰤏󱌚󰛉󱃣Dž2.5 V 1.25 V 625 mV 312.5 mV 156.2 mV 78.125 mV 39.06 mV 19.53 mV CON12 U/BCON11 CON10 󱋁 CON8 BOOST G2 󱋁 G0 G2 G1 G0 Gain 0 0 0 1 (󰿄󰹑󱆩󱅏՗󰝣󰙷󰴗) 0 0 1 2 (󰿄󰹑󱆩󱅏՗󰝣󰙷󰴗) 0 1 0 4 0 1 1 8 1 0 0 16 1 0 1 32 1 1 0 64 1 1 1 128 Rev. B | Page 17 of 32

AD7792/AD7793

󰿋󰿋󱋃!󰿋󰿋󱋃!󰯮󰺎

󰤏󱌚󰛉󱃣󱃋󱈵󰿋ă󱊄󱁵󰿋󱆩󰪠󱃋󱈵ADC󰚦󰤏󱌚󰛉󱃣󱇸ă CON7 REFSEL REFSEL 󰤏󱌚󰛉󱃣󱇸! 0 REFIN(+)󰢅REFIN(–)󱊮󰥘󰚦󰾔և󰤏󱌚󰛉󱃣ă

󰰾և󰤏󱌚󰛉󱃣󱇸ă 1 0 CON6 to Ղ󱂷󰥽󱊄󱁵󰿋Պ󰗲󰾺󰮇󰤡0󰖍󰱀󱊟󰗉󰟾󱍕ă

CON5

󰲦󱋃ADC󰾺󰣐󰘋󰤈󰿮󰣐󰘋󰟾󱍕󰰇󰹕ă󰵣0󰹉LjADC󱅜󰿮󰣐󰘋󰰇󰹕󰟾󱍕Lj󰩗󰦇󰚯󰴗󰥲󰚦󰠀󰡼ă󱋃1󰹉LjADCCON4 󰣐󰘋󰴗!

󱅜󰣐󰘋󰰇󰹕󰟾󱍕Lj󱆩󰢽󰩗󱅜󰥽󱇸󱍆󰩇󱋃󱇀󰴮󰜋Lj󰜸փ󰣷󰟴󱀣󰽥󰙼󰪠󱈺󱅮󱀃󰖶ă󰚓󱈺󱅮󰾺1󰤈2󰹉Lj󰩗󱅜󰧍󱆩󰣐󰘋󰴗ă󰚓󰖑󱆩󰟸󰙷󰚦󱈺󱅮󱊵󰹉Lj󰣐󰘋󰴗󱌲󰛯󰹑󰱀ă

󰣐󰘋󰴗󰧍󱆩󰹉Lj󰰇󰱆󰹼󰷇󱆅󰦗󰸉󰚦󰛉󱃣󰩗󱅜󰾺GND󱅜󱀰30 mV󱋁AVDD󱅜󰸉30 mVă󰣐󰘋󰴗󰹑󰱀󰹉Lj󰻲󱂴󱄲󱅃󱁵󱇧󰬉Ǘ󱅺󰙏Lj󰶪󰢆󰹼󰷇󱆅󰦗󰸉󰚦󰛉󱃣Ղ󱂷󱈞󰛉󱇸󰡆󰚦100 mV󰝔󰾷󰰾ăCON3 0 Ղ󱂷󰥽󰙏󰿋Պ󰗲󰾺󰮇󰤡1󰖍󰱀󱊟󰗉󰟾󱍕ă!

󰽚󰚢󱃋󱈵󰿋ă󱆯󱆩󰢽󱂀󰷇Lj󱅜󱃋󱈵BED󰚦󱆶󱁳󰰇󰱆󰹼󰷇󰽚󰚢ǖ!CON2 to CH2 󱋁

CON0 CH0 CH2 CH1 CH0 󰽚󰚢󱁯󱌚󰜔! 0 0 0 AIN1(+) – AIN1(–) 0 0 0 1 AIN2(+) – AIN2(–) 1 0 1 0 AIN3(+) – AIN3(–) 2 0 1 1 AIN1(–) – AIN1(–) 0 1 0 0 ԍ󰬾 1 0 1 ԍ󰬾

󱌲󰛯󱃋󱈵󱈺󱅮 = 1Lj󰵐󰖑󱆩󰰾և󰤏󱌚󰛉󱃣 󰿒󰜈󰘯󰟌󰴗 1 1 0 󱌲󰛯󱃋󱈵󱈺󱅮 = 1/6Lj󰵐󰖑󱆩1.17 V 󰤏󱌚󰛉󱃣 AVDD󰥔󰩦󰴗 1 1 1 󰺕󰨍󰤸󰙪󰴗

RS2, RS1, RS0 = 0, 1, 1Ǘ󰸉󰛉/󰞰󰿋 =0x0000(00)

󰙏󰺕󰨍󰤸󰙪󰴗󰙪󰘦ADC󰚦󱌈󰣑󰦳󰡕ă󰻲󰹟󱅃󰟲󱊻󰜁󰤸󰙪󰴗ă󰾜󰗯󰜔󰙏󰤸󰙪󰴗󰚦󰜁󰖡󱍕󰢫Lj RDY󰿋/󱆅󰦗󱋃1ă

ID󰤸󰙪󰴗

RS2, RS1, RS0 = 1, 0, 0Ǘ󰸉󰛉/󰞰󰿋 = 0xXA (AD7792)/0xXB (AD7793)

ID󰤸󰙪󰴗󰙪󰘦AD7792/AD7793󰚦󰹎՚󰡽ă󰻲󰹟󱅃󰟲󱊻󰜁󰤸󰙪󰴗ă

IO󰤸󰙪󰴗

RS2, RS1, RS0 = 1, 0, 1Ǘ󰸉󰛉/󰞰󰿋 = 0x00

IO󰤸󰙪󰴗󰹟󱅃󰟲8󰿋󰤸󰙪󰴗Lj󰩗󱅜󰜁󰵽󰢅󱂀󰷇󰺕󰨍ă󰞿󰤸󰙪󰴗󱆩󱇀󰹑󰱀󰢅󱃋󱈵󰤘󰫤󰛉󰭁󱊵ă՗18󰬚󰘜󰬕IO󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎ăIO0󱋁IO7՗󰹖󰿋󰚦󰿋󱋃LjIO󰺫󰯽󱊄󱁵󰿋󰺌󱇀IO󰤸󰙪󰴗ăIO7՗󰹖󰺕󰨍󰭁󰚦󰚼󱅃󰿋ă󰪔󰡽󱋐󰚦󰺕󱊵՗󰹖󰞿󰿋󰚦󰸉󰛉/󰞰󰿋󰰐󰶫󱌒󰼀ă

IO7 0(0)

IO6 0(0)

IO5 0(0)

IO4 0(0)

IO3

IEXCDIR1(0)

IO2

IEXCDIR0(0)

IO1

IEXCEN1(0)

IO0

IEXCEN0(0)

Rev. B | Page 18 of 32

AD7792/AD7793

՗18. IO󰤸󰙪󰴗󰿋󰠀󰱀󰯮󰺎

󰿋󰿋󱋃 IO7 󱋁 IO4 IO3 󱋁 IO2

󰿋󰰁󰗬 󰯮󰺎 0 Ղ󱂷󰥽󱊄󱁵󰿋Պ󰗲󰾺󰮇󰤡0󰖍󰱀󱊟󰗉󰟾󱍕ă IEXCDIR1 󱋁 󰛉󰭁󱇸󰝛󱁠󱃋󱈵󰿋ă IEXCDIR0

IXCDIR1 IXCDIR0 󰛉󰭁󱇸󰝛󱁠 0 0 󰛉󰭁󱇸IEXC1󰫶󰦥󱋁󱆅󰦗IOUT1Lj󰛉󰭁󱇸IEXC2󰫶󰦥󱋁󱆅󰦗IOUT2ă 󰛉󰭁󱇸IEXC1󰫶󰦥󱋁󱆅󰦗IOUT2Lj󰛉󰭁󱇸IEXC2󰫶󰦥󱋁󱆅󰦗IOUT1ă 0 1 󰬇󰟲󰛉󰭁󱇸󰨩󰫶󰦥󱋁󱆅󰦗IOUT1ă󰧈󰚓󰛉󰭁󱇸󰸢󰾺10 μA󰤈210 μA󰹉Lj

󰖍󱈎󱂹󱊄󱄣󰸢󱋃ă

󰬇󰟲󰛉󰭁󱇸󰨩󰫶󰦥󱋁󱆅󰦗IOUT2ă󰧈󰚓󰛉󰭁󱇸󰸢󰾺10 μA󰤈210 μA󰹉Lj 1 1 󰖍󱈎󱂹󱊄󱄣󰸢󱋃ă 0 1 IO1 󱋁 IO0

IEXCEN1 󱋁

IEXCEN0

󱊄󱁵󰿋󰩗󱆩󱇀󰹑󰱀󰢅󰧍󱆩󰤘󰫤󰛉󰭁󱇸Ă󱃋󱈵󰤘󰫤󰛉󰭁󱊵ăIXCN1 IXCN0 󰛉󰭁󱇸󱊵!0 0 󰤘󰫤󰛉󰭁󰧍󱆩 0 1 10 μA

210 μA 1 0 1 mA 1 1 EE

EE

󰸿󰛙󰤸󰙪󰴗

RS2, RS1, RS0 = 1, 1, 0Ǘ󰸉󰛉/󰞰󰿋 = 0x8000 (AD7792), 0x800000 (AD7793))

󰯅󰟲󰰇󰱆󰹼󰷇󰽚󰚢󱆶󱅃󰟲󱌆󱆩󰚦󰸿󰛙󰤸󰙪󰴗Lj󱆩󱇀ԍ󰙪󰞿󰽚󰚢󰚦󰸿󰛙󱁯󱌚󱀣󰺕ăAD7792󰰾󱋃󱅃󰟲16󰿋󰸿󰛙󰤸󰙪󰴗Ǘ

EE

AD7793󰰾󱋃󱅃󰟲24󰿋󰸿󰛙󰤸󰙪󰴗Ǘ󰸿󰛙󰤸󰙪󰴗󰚦󰸉󰛉/󰞰󰿋󱊵󰾺0x8000(00)ă󰙏󰤸󰙪󰴗󱇑󱁎󰠲󰚦󰮢󰬉󰗲󰤸󰙪󰴗󰠓󰗯󱅃󰟲󰤸󰙪󰴗󰜔ă󰷃󰡕󱆩󰢽󰴔󰛯󰰾և󰤈󱀣󰽥󰬭󰛉󰳝󱁯󱌚Lj󰸉󰛉󰞰󰿋󱊵󰥽ԥ󱌲󰛯󰞮󱂀ă󰸿󰛙󰤸󰙪󰴗󰾺󰜁/󱂀󰤸󰙪󰴗ă󰜔󰸿󰛙󰤸󰙪󰴗󰧊󱂜󱂀󰖡󱍕󰹉LjAD7792/AD7793Ղ󱂷󰘪󱇀󰩣󱀾󰰇󰹕󰤈󰸹󰛉󰰇󰹕ă

󰮢󰬉󰗲󰤸󰙪󰴗

RS2, RS1, RS0 = 1, 1, 1Ǘ󰸉󰛉/󰞰󰿋 = 0x5XXX (AD7792), 0x5XXX00 (AD7793)

󰮢󰬉󰗲󰤸󰙪󰴗󰹟󱅃󰟲16󰿋(AD7792)󰤈24󰿋(AD7793)󰤸󰙪󰴗ă󰮢󰬉󰗲󰤸󰙪󰴗ԍ󰙪ADC󰚦󰮢󰬉󰗲󱁯󱌚󱀣󰺕ăAD7792/ AD7793󱆶󰷙󰟲󰮢󰬉󰗲󰤸󰙪󰴗Lj󰯅󰟲󰽚󰚢󱆶󱅃󰟲󱌆󱆩󰚦󰮢󰬉󰗲󰤸󰙪󰴗ă󰮢󰬉󰗲󰤸󰙪󰴗󰨩󰾺󰜁/󱂀󰤸󰙪󰴗ă󰚓󰜔󰮢󰬉󰗲󰤸󰙪󰴗󰧊󱂜󱂀󰖡󱍕󰹉LjADCՂ󱂷󰘪󱇀󰸹󰛉󰰇󰹕󰤈󰩣󱀾󰰇󰹕ă󱊄󱁵󰤸󰙪󰴗󱈞󰸉󰛉󰹉󰹑󱆩󰟾󰗍󱁯󱌚󰚦󰮢󰬉󰗲󱁯󱌚󱀣󰺕󰧊󱂜󰲦󱋃)󱊴󱂜󱁯󱌚󰹉󰚦󱈺󱅮󰾺1*Ǘ󱅺󰙏Lj󰟳󰴗󰥲󰨏󱆶փ󰽞󰚦󰰐󰶫󱀣󰺕ă󰞿󱁯󱌚󱀣󰺕󱊵󰵽󰨦󱇀󰻯󱃋󰤏󱌚󰛉󱃣)󰰾և󰤏󱌚󰛉󱃣󰤈󰾔և󰤏󱌚󰛉󱃣*ă󰷃󰡕󱆩󰢽󰴔󰛯󰰾և󰤈󱀣󰽥󰮢󰬉󰗲󱁯󱌚Lj󰤈󱊁󰜔󰮢󰬉󰗲󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕Lj󰞿󰰐󰶫󱊵󰥽ԥ󱌲󰛯󰞮󱂀ă

Rev. B | Page 19 of 32

AD7792/AD7793

ADC󰛉󰭟󱂑󱀐

󰟁󰺎

AD7792/AD7793󰾺󰚯󰠀󰡼ADCLj󰰾󱋃Σ-Δ󰛙󱋆󰴗Ă󰣐󰘋󰴗Ă󰤏󱌚󰛉󱃣󱇸Ă󱅏՗󰝣󰙷󰴗󰢅󰳌󰰾󰺕󱌴󰭳հ󰴗Lj󱋷󱄲󱆩󱇀󰖪󰬉󰩻󰛯󰼀󰝔󰾷󰚯󰳕󱂑󰡽Lj󰫩󰷃󱃣󰫰󰘯󰟌󰴗Ă󰛉󱌱󰗹󰢅󰿒󰜈󰖪󰬉󱆌󱆩󱋐󰚦󱂑󰡽ă

󰯅󰟲󰴗󰥲󰛼󱆶󰷙󰟲󰖶󰝴󰹼󰷇󰜋Lj󰩗󱅜ԥ󰲦󱋃󰾺󰣐󰘋󰰇󰹕󰤈󰿮󰣐󰘋󰰇󰹕ă󰞿󰴗󰥲󰤼󰩗󱅜󰖑󱆩󰰾և1.17 V󰤏󱌚󰛉󱃣󱄺󰩗󱅜󰖑󱆩󰾔և󰤏󱌚󰛉󱃣ă󰽮12󱁂󰹖󰬕󰴗󰥲󰟾󱍕󰻯󱂴󰚦󰤏Ԩ󰫶󰦥ă

GNDVBIASTHERMOCOUPLEJUNCTIONRRCAIN2(+)AIN2(–)MUXBUFIN-AMPΣ-ΔADCSERIALINTERFACEANDCONTROLLOGICBAND GAPREFERENCEAVDDAVDDREFIN(+)REFIN(–)0–20–40(dB)–60–8004855-018–1000204060FREQUENCY (Hz)80100120AIN1(+)AIN1(–)󰽮13. 󰚓󰟸󱂎󰻏󰭲󰾺4.17 Hz󰹉󰚦󰭳հ󰴗󱁚󱆌GNDDOUT/RDYDINSCLKCSDVDD

0

REFIN(+)RREFREFIN(–)IOUT2CLKGNDAVDDINTERNALCLOCK–20AD7792/AD779304855-012–40󰽮23/󰤏Ԩ󰫶󰦥󰽮(dB)–60–8004855-019

󱆩󰢽󰱀󰠕󰽚󰡗Պ󰗲󰸢󱋃AD7792/AD7793󰚦󰹼󰘜󰻏󰭲(fADC)ă՗16󰬚󰘜󰬕󰩗󱆩󰚦󰟸󱂎󰻏󰭲󰤤󱁎󱆌󰚦󰥺󰫬󰹉󰥘ă󰺕󱌴󰭳հ󰴗󰚦󱋷󱄲󱍕󱆩󰹟󰘲󰰇󰟅󰶡󱅞󱋆ă󰚓󰟸󱂎󰻏󰭲󰾺16.7 Hz󰤈󰟸󰚯󰹉Lj50 Hz󰢅60 Hz󰽞󰹉󱅞󱋆󰚦󱁳󰡕󱍌󰥅Ǘ󱅺󰾺󱈞󱊄󱁵󰟸󱂎󰻏󰭲󱀰Lj󱁋հ󰳕󰭲󰽞󰹉󰾺50 Hz󰢅60 Hză󰖖󰥯󰽮14ă 󰟵󰨍󰹼󰘜󰟸󱂎󰻏󰭲󰚦փ󰽞LjAD7792/AD7793󰖑󱄣󰚦󰭳հ󰴗󱄺󰭼󱆶փ󰽞Lj󱅜Ս󱆫󰣅󰜔󰬉󰣅󱈯󰸳󰢅󰴗󰥲󱈯󰸳󰚦󱅞󱋆ă󰚓󰟸󱂎󰻏󰭲󱊵󱈞4.17 Hz󱋁12.5 Hz󰝔󰾷󰰾󰹉Lj󰴗󰥲󰖑󱆩Sinc3󰭳հ󰴗󰢅󰨩󱊵󰭳հ󰴗ă󰚓󰟸󱂎󰻏󰭲󱊵󱈞16.7 Hz󱋁39 Hz󰝔󰾷󰰾󰹉Lj󰴗󰥲󰖑󱆩󰧝󱂪󱊟󰚦Sinc3󰭳հ󰴗ă󰚓󰟸󱂎󰻏󰭲󰙳󰚟16.7 Hz󰹉Lj󰙏󰭳հ󰴗󰼵󰠃50 Hz/60 Hz󰽞󰹉󱅞󱋆ă󰚓󰟸󱂎󰻏󰭲󱊵󱈞50 Hz󱋁242 Hz󰝔󰾷󰰾󰹉Lj󰖑󱆩Sinc4󰭳հ󰴗ă󰚓󰟸󱂎󰻏󰭲󰙳󰚟470 Hz󰹉Lj󰴗󰥲󰖑󱆩󰧈󱆶󰤓󰝴󰠀󰱀󰚦󰭳հ󰴗ă 󰽮13󱋁󰽮16󱁂󰹖󰬕փ󰽞󰻏󰭲󱀰󰚦󰟳󱋖󰫌󱂙󰭳հ󰴗󰚦󰳕󰭲󱁚󱆌ă

–100020406080100120140160180200FREQUENCY (Hz)󰽮14. 󰚓󰟸󱂎󰻏󰭲󰾺16.7 Hz󰹉󰚦󰭳հ󰴗󱁚󱆌0

–20–40(dB)–60–8004855-020–100050010001500200025003000FREQUENCY (Hz)󰽮15. 󰚓󰟸󱂎󰻏󰭲󰾺242 Hz󰹉󰚦󰭳հ󰴗󱁚󱆌

Rev. B | Page 20 of 32

AD7792/AD7793

0–10–20–30󰿋󰤸󰙪󰴗󱊴󱂜󰜁󰖡󱍕󰚦󰹉󱂾Ǘ󰽮4󱁂󰹖󰜔󰹼󰷇󱅎󰿋󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕󰚦󰹉󱂾ă󰤨󰹑󱈞󰚼󱅃󰙒󰜁󰖡󱍕󱊮󰢫DOUT/RDY󱁍󰭟󰝓󰣮󰚟󰟛󰛉󰳝Lj󱄺󰩗󱅜󰜠󰙒󰙗󰺕󰨍󰤸󰙪󰴗󱋐󰜁󰵽󰘜󱁎󰽞󰚦󱌴ăփ󰡗LjՂ󱂷󰶓ԍ󱈞󱀰󱅃󰹼󰘜󰟸󱂎󰝀󰸴󱊮󰴮󰾜󰗯󱊄󱁵󰜁󰖡󱍕ă󰫶󱃄󰜁󰵽󰰇󰹕󱀰Lj󱊻󰱀󰜔󰺕󰨍󰤸󰙪󰴗󰧊󱂜󱅃󰙒󰜁󰖡󱍕ă

󰚓CS󰘪󱇀󰚯󰛉󰳝󱌒󰼀󰹉Lj󰘲󱂜󰦥󰩨󰩗󱅜󱈞󰷙󱁍󰹕󰰇󰹕󱀰󰟾󱍕ă󰙏󰹉LjSCLKĂDIN󰢅DOUT/RDY󱆩󰪠󱇑AD7792/ AD7793󰽚󱂑ă󰩗󱅜󱆩󱌒󰼀󰤸󰙪󰴗󱋐󰚦RDY󰿋󰥔󰹫󱌈󰣑󰹟󰞏󰦳󰺐ă󱊄󱋖󰝛ӄ󰹢󱆩󱇀󱇑󰾲󰩦󱋆󰴗󰧊󱂜󰦥󰩨󰚦󱆌󱆩ă󰷃󱂴󰥽 󱆩󱍕󰦴󰮓󱂑󰡽Lj󰩗󱅜󱆩󰜋󰩨󱆅󰦗󰗂󰸴󰞿󱂑󰡽ă󱈞󰾲󰩦󱋆󰴗󰦥󰩨󱆌󱆩󱋐Lj󰥺󱅱󱈞󰯅󰬇󰙒󰺕󰨍󰘯󰹼󱊮󰥘󰥽SCLK󱋃󰾺󰟛󰛉󰳝ă

AD7792/AD7793󰩗󱅜󱈞CS󱆩󱍕󱊡󰽞օ󱂑󰡽󰚦󰵧󰪄󱀰󰟾󱍕ă󱊄󱋖󰝛ӄ󰹢󱆩󱇀DSP󰦥󰩨ă󰙏󰹉Lj󱆯󱇀󱈞DSP󱋐LjCS󱅃ӯ󰘜󱁄󱈞SCLK󰚦󱀰󰦇󱄂󱊮󰢫Lj󱅺󰙏Lj󰚼󱅃󰿋(MSB)󰣷ԥCS󱆶󱁳󰚺󰻃󰘜ă󱊻󱄲󱍏󰹰󰹉󱂾󰺕󱄲󰵱LjSCLKՍ󰩗󱅜󱈞󰺕󰨍󱌈󰣑󱊮󰥘󰫶󱃄󱈏󱂜ă

󰜔DIN󰹼󰷇󱂀󰷇󱅃󰫶󰘲󰚦1Lj󰩗󱅜󰞰󰿋󰘲󱂜󰦥󰩨ă󰷃󱈞󱋁󰸓32󰟲󰘲󱂜󰹉󱋓󰰾󰗼󱃄󱁠AD7792/AD7793󱁍󰭟󰰾󱂀󰷇󰮇󰤡1Lj󰩗󰥽󰞿󰘲󱂜󰦥󰩨󰞰󰿋ă󰚓󰗂󰸴󰷉󰥲󰙱󱀃󰤈󱀣󰽥󰠤󱉱Lj󰥀󰜸󰚞󱋂󰦥󰩨󰹉󱂾󰙱󱀃󰹉Lj󱊄󱋖󰝛󰝆󰩗󰶓ԍ󰥽󰦥󰩨󰞰󰿋󰚟󱅙󱊪󱌒󰼀ă󰞰󰿋󰖡󱍕󰹑󰦥󰩨󰝓󰣮󰚟󰚪󰚁󰜔󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕󰚦󱌒󰼀ă󰞿󰖡󱍕󰣷󰥽󰻯󱆶󰤸󰙪󰴗󰚦󰰾󰶹󰞰󰿋󰚟󰴄󰸉󰛉󱊵ă󰞰󰿋󰢫Lj󱆩󰢽󱆌󰚪󰚁500 μs󱈝󰝡󰿚󰘲󱂜󰦥󰩨ă AD7792/AD7793󰩗󱅜󰲦󱋃󰾺󰫶󱃄󱌈󰣑󰰇󰹕󰤈󰚇󰙒󱌈󰣑󰰇󰹕ă󰖖󰥯󰽮17󱋁󰽮19ă

(dB)–40–5004855-021–60010002000300040005000600070008000900010000FREQUENCY (Hz)

󰽮16. 󰚓󰟸󱂎󰻏󰭲󰾺470 Hz󰹉󰚦󰭳հ󰴗󱁚󱆌󰺕󱌴󰦥󰩨!

AD7792/AD7793󰫧󱆩󱅃󱍇󰳌󰰾󰤸󰙪󰴗󰩦󱋆󰴄󰩗Պ󰗲󰠀󰱀ă󰺕󰨍󰽚󰡗󰴗󰥲󰚦󰘲󱂜󰦥󰩨󱂀󰷇󰸉󰺎󰤸󰙪󰴗Lj󰙏󰦥󰩨󰣏󰼵󰠃󰜔󱊄󱁵󰳌󰰾󰤸󰙪󰴗󰚦󰜁󰵽󰝡󰿚ă󱇑󰴗󰥲󰧊󱂜󰚦󰻯󱆶󰽚󱂑󰨩Ղ󱂷󱅜󰜔󰽚󱂑󰤸󰙪󰴗󰚦󱂀󰖡󱍕󰨸󰹔ă󰸉󰛉󰤈󰞰󰿋󱊮󰢫Lj󰴗󰥲󰚪󰚁󰜔󰴄󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕ă󱂀󰷇󰙏󰤸󰙪󰴗󰚦󰺕󰨍󰨦󰛨󰬕󰦥󱀰󰪠󰚦󰖡󱍕󰹟󰜁󰖡󱍕󰣏󰹟󱂀󰖡󱍕Lj󱅜󰤤󰙏󰜁󰖡󱍕󰤈󱂀󰖡󱍕󰚦󰜔󱁡󰹟󰰨󱅃󰟲󰤸󰙪󰴗ă󱅺󰙏Lj󰷃󱂴󱁠󰴗󰥲󰰾󰚦󰴄󰻲󰤸󰙪󰴗󰰾󱂀󰷇󰺕󰨍LjՂ󱂷󰹯󱀶󰜔󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕Lj󱈝󱊴󱂜󰜔󰻯󱃋󰤸󰙪󰴗󰚦󱂀󰖡󱍕ă󰷃󱂴󰜁󰵽󰴄󰻲󰤸󰙪󰴗󰰾󰚦󰺕󰨍)󱃋󱈵󰫶󱃄󰜁󰵽󰰇󰹕󰘣󰾔*Lj󱄺Ղ󱂷󱀶󰜔󰽚󱂑󰤸󰙪󰴗󰧊󱂜󱂀󰖡󱍕Lj󰶗󰢫󱊴󱂜󰜔󰻯󱃋󰤸󰙪󰴗󰚦󰜁󰖡󱍕ă AD7792/AD7793󰚦󰘲󱂜󰦥󰩨󱆯󰺺󰟲󱂑󰡽󱍇󰗯ǖCSĂDINĂSCLK󰢅DOUT/RDYăDIN󱁍󰭟󱆩󱇀󰥽󰺕󰨍󰘯󰹼󱋁󰳌󰰾󰤸󰙪󰴗󱋐LjDOUT/RDY󱈶󱆩󱇀󰙗󰳌󰰾󰤸󰙪󰴗󱋐󰤇󰵽󰺕󰨍ăSCLK󰹟󰴗󰥲󰚦󰘲󱂜󰹉󱋓󰹼󰷇Lj󰻯󱆶󰺕󰨍󰘯󰹼)󰿮󰮃󰹟DIN󰸉󰣏󰹟DOUT/RDY󰸉*󰨩󱇑SCLK󱂑󰡽󱁎󰠲ăDOUT/RDY󱆅󰦗󱄺󰩗󰹼󰘜󰺕󰨍󰧽󱃃󱂑󰡽Ǘ󰚓󰹼󰘜󰤸󰙪󰴗󱋐󱆶󱂎󰺕󱌴󱌴󰩗󱆩󰹉Lj󰞿󱁍󰭟Վ󰾺󰚯󰛉󰳝ă󰜔󰺕󰨍󰤸󰙪󰴗󰚦󰜁󰖡󱍕󰾜󰗯󰹉Lj󰞿󱁍󰭟󰞰󰿋󰾺󰟛󰛉󰳝ă󰺕󰨍󰤸󰙪󰴗󰟸󱂎󱊮󰴮Lj󰞿󱁍󰭟󱄺󰣷Վ󰾺󰟛󰛉󰳝Lj󰼵󰹖󱈞󰙏󰹉փ󱆌󰜔󰴗󰥲󰧊󱂜󰜁󰖡󱍕Lj󱅜󰶓ԍ󱈞󰟸󱂎󰺕󰨍󰤸󰙪󰴗󰚦󰡗󰗲󱋐փ󰣷󰝀󰸴󰺕󰨍󰜁󰵽󰖡󱍕ă 󱆩󱇀󱃋󱈵󰴗󰥲Lj󰩗󱅜󱈞󰜠󰟲󰴗󰥲󰘲󱂜󱈞󰽞󱅃󰽉󱌺󱁍󰸉󰚦󱀣󰽥󱋐󰜔AD7792/AD7793󰧊󱂜󰦴󰮓ă

󰽮3󰢅󰽮4󱁂󰹖󰬕󱇑AD7792/AD7793󰫶󰦥󰚦󰹉󱂾󰽮Lj󰴄󱋐 󱆩󱇀󰜔󰴗󰥲󰧊󱂜󰦴󰮓ă󰽮3󱁂󰹖󰜔AD7792/AD7793󰚦󰹼󰘜󱅎

Rev. B | Page 21 of 32

AD7792/AD7793

󰚇󰙒󱌈󰣑󰰇󰹕!

󱈞󰚇󰙒󱌈󰣑󰰇󰹕󱀰LjAD7792/AD7793󱈞󰬇󰙒󱌈󰣑󱊮󰥘󰘪󱇀󰠲󰜏󰰇󰹕ă󰥽󰰇󰹕󰤸󰙪󰴗󱋐󰚦MD2ĂMD1󰢅MD0󰝴՚󰸢󱋃󰾺0Ă0Ă1Lj󰩗󰴔󰛯󰚇󰙒󱌈󰣑ă󱊄󰹉LjAD7792/AD7793󱀶󱊴󱂜󰸉󰛉󰖡󱍕Lj󱈝󱊴󱂜󰚇󰙒󱌈󰣑Lj󰶗󰢫󰝓󰣮󰠲󰜏󰰇󰹕ă󰳌󰰾󱊓󰚖󰴗󰸉󰛉󱂴󱄲1 msă󱌈󰣑󱂴󱄲󰚦󰹉󰥘󰗊󰜈󰾺2 × tADCă󰚓󱌈󰣑󰾜󰗯󰢫LjDOUT/RDYՎ󰾺󰚯󰛉󰳝Lj󱅜Ս՗󰹖󱌈󰣑󰾜󰗯ă󰙗󰺕󰨍󰤸󰙪󰴗󱋐󰜁󰵽󰺕󰨍󱌴󰢫LjDOUT/RDYՎ󰾺󰟛󰛉󰳝ă󰷃󰡕CS󰾺󰚯󰛉󰳝Lj󱈞󱀰󱅃󰙒󱌈󰣑󰾜󰗯󱊮󰴮LjDOUT/ RDY󰥽ԍ󰗼󰟛󰛉󰳝ă󰷃Ղ󱄲Lj󰤨󰹑DOUT/RDY󱅙Վ󰾺󰟛󰛉󰳝Lj󱄺󰩗󱅜󰜠󰙒󰜁󰵽󰺕󰨍󰤸󰙪󰴗ă

󰫶󱃄󱌈󰣑󰰇󰹕!

󰸉󰛉󰢫Lj󰰐󰶫󰚦󱌈󰣑󰰇󰹕󰾺󰫶󱃄󱌈󰣑󰰇󰹕ăAD7792/ AD7793󱊴󱂜󰫶󱃄󱌈󰣑󰹉Lj󰯅󰙒󱌈󰣑󰾜󰗯󰢫Lj󱌒󰼀󰤸󰙪󰴗󱋐󰚦RDY󰿋Վ󰾺󰚯󰛉󰳝ă󰷃󰡕CS󰾺󰚯󰛉󰳝Lj󱈶󰚓󱅃󰙒󱌈󰣑󰾜󰗯󰹉LjDOUT/RDY󱁍󰭟󱄺󰣷Վ󰾺󰚯󰛉󰳝ă󰷐󱄲󰜁󰵽󱌈󰣑󰦳󰡕Lj󱆩󰢽󱂴󱄲󰜔󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕Lj󱅜Ս󱊸󰹖󱀰󱅃󰖡󱍕󰾺󰜁󰵽󰺕󰨍󰤸󰙪󰴗󰖡󱍕ă󰥽SCLK󰮞󰘋󰹁󰥇󱇀ADC󰢫Lj󰴗󰥲󰫬󰩚󱈞DOUT/RDY󱆅󰦗󰸉󱊴󱂜󰺕󱌴󱌈󰣑ă󰜁󰵽󱌈󰣑󰦳󰡕󰢫LjDOUT/RDY󰝓󰣮󰚟󰟛󰛉󰳝ă󰷃󱂴󱄲Lj󱆩󰢽󰩗󱅜󰜠󰙒󰜁󰵽󰞿󰤸󰙪󰴗ă󰚍󱆩󰢽Ղ󱂷󰶓ԍ󱈞󱀰󱅃󰙒󱌈󰣑󰾜󰗯󰴮Ljփ󰝡󰿚󰺕󰨍󰤸󰙪󰴗Ǘ󰞏󱈶Lj󱂎󰚦󱌈󰣑󰦳󰡕󰥽󰛪󰸿ă

CSDIN0x080x200A0x58DATADOUT/RDYSCLK󰽮17.󰚇󰙒󱌈󰣑

CS0x58DIN0x58DOUT/RDYDATADATASCLK04855-01604855-015

󰽮18. 󰫶󱃄󱌈󰣑Rev. B | Page 22 of 32

AD7792/AD7793

󰫶󱃄󰜁󰵽!

󰩗󱅜󰜔AD7792/AD7793󰧊󱂜󰲦󱋃Lj󰹑󰚥󰯅󰙒󱌈󰣑󰾜󰗯󱊮󰢫Lj󱌈󰣑󰦳󰡕󱌲󰛯󱋃󱇀DOUT/RDY󱁍󰭟󰸉Ǘ󰜸󰿮󱂴󱈞󰯅󰙒󰝡󰿚󰺕󰨍󰴮󰜔󰽚󱂑󰤸󰙪󰴗󱊴󱂜󱂀󰖡󱍕ă󰥽01011100󱂀󰷇󰽚󱂑󰤸󰙪󰴗󰢫Lj󱆩󰢽󱊻󱂴󰾺ADC󰼵󰠃󰹢󰚓󰚦SCLK󱋜󰳺󰺕Lj󰤨󰩗󰩦󱋆󱈞󰰇󰺕󱌈󰣑󰾜󰗯󰢫Lj16󰿋󰤈24󰿋󱌴󱌲󰛯󱋃󱇀DOUT/RDY󱁍󰭟󰸉ăADC󱆌󰲦󱋃󰾺󰫶󱃄󱌈󰣑󰰇󰹕ă 󰚓DOUT/RDYՎ󰾺󰚯󰛉󰳝Lj󰼵󰹖󱌈󰣑󰖡󱍕󱅙󰦳󰺐󰹉LjՂ󱂷󰾺ADC󰼵󰠃󱍁󰠕󰚦SCLK󱋜󰳺󰺕ă󰶗󰢫Lj󰺕󰨍󱌈󰣑󰦳󰡕Ս󰣷󱋃󱇀DOUT/RDY󱁍󰭟󰸉ă󰜁󰵽󱌈󰣑󰦳󰡕󰢫LjDOUT/RDY󰝓󰣮󰚟󰟛󰛉󰳝Lj󱊱󰚟󱀰󱅃󱌈󰣑󰦳󰡕󰩗󱆩󰾺󱊹ă󱊄󱋖󰰇󰹕󱀰Lj󰺕󰨍󱊻󰱀ԥ󰜁󰵽󱅃󰙒Lj󰬷󰾔Lj󱆩󰢽Ղ󱂷󰶓ԍ󱈞󱀰󱅃󰙒

󱌈󰣑󰖡󱍕󰾜󰗯󰴮󰾜󰗯󰜔󰺕󰨍󱌴󰚦󰜁󰵽ă󰷃󰡕󱈞󱀰󱅃󰙒󱌈󰣑󰾜󰗯󱊮󰴮Lj󱆩󰢽󰸊󰿄󰜁󰵽󱌈󰣑󰦳󰡕Lj󰤈󱊁󰾺AD7792/ AD7793󰼵󰠃󰚦󰘲󱂜󰹉󱋓󱋜󰳺󰺕փ󱍁󱅜󰾜󰗯󰜔󱌈󰣑󱌴󰚦󰜁󰵽Lj󱈶󰚓󱀰󱅃󰙒󱌈󰣑󰾜󰗯󰹉Lj󰘲󱂜󰹼󰘜󰤸󰙪󰴗󰥽󰞰󰿋Lj󱂎󱌈󰣑󰦳󰡕󰥽󱋃󱇀󰹼󰘜󰘲󱂜󰤸󰙪󰴗󱋐ă

󰷐󱄲󰽽󰘜󰫶󱃄󰜁󰵽󰰇󰹕LjՂ󱂷󱈞RDY󱆅󰦗󰾺󰚯󰛉󰳝󰹉󰥽󱊸󰬸01011000󱂀󰷇󰽚󱂑󰤸󰙪󰴗ă󱈞󰫶󱃄󰜁󰵽󰰇󰹕󱀰LjADC󰣷󰥔󰩦DIN󱁍󰭟󰸉󰚦󰤄󰛯Lj󱅜Ս󰱀󰦥󰹭󰽽󰘜󰫶󱃄󰜁󰵽󰰇󰹕󰚦󱊸󰬸ă󰙏󰾔Lj󰷃󰡕DIN󰸉󰫶󱃄󰘜󱁄32󰟲1LjADC󰥽󰞰󰿋ă󱅺󰙏Lj󱈞󰫶󱃄󰜁󰵽󰰇󰹕󱀰Lj󱈞󰴗󰥲󰦥󰹭󰚟󱊸󰬸󰴮LjDIN󱆌ԍ󰗼󰚯󰛉󰳝ă

CS0x5CDINDOUT/RDYDATADATADATASCLK04855-017

󰽮19.󰫶󱃄󰜁󰵽Rev. B | Page 23 of 32

AD7792/AD7793

󰛉󰭟󰯮󰺎!

󰰇󰱆󰹼󰷇󰽚󰚢!

AD7792/AD7793󱆶3󰟲󰖶󰝴󰰇󰱆󰹼󰷇󰽚󰚢ă󰚓󰴗󰥲󱈏󱂜󱈞󰣐󰘋󰰇󰹕󱀰󰹉Lj󱊄󱁵󰽚󰚢󰥽󱇑󰳌󰰾󰣐󰙪󰝣󰙷󰴗󱁎󰫶Ǘ󰜸󰚓󰴗󰥲󱈏󱂜󱈞󰿮󰣐󰘋󰰇󰹕󱀰󰹉Lj󰽚󰚢󱊱󰦥󱇑󰛙󱋆󰴗󱁎󰫶ă󱈞󰣐󰘋󰰇󰹕󱀰(󰲦󱋃󰤸󰙪󰴗󱋐󰚦BUF󰿋󰸢󱋃󰾺1)Lj󰹼󰷇󰽚󰚢󰪍󰷇󰣐󰘋󰝣󰙷󰴗󰚦󰟛󱍆󰩇󰹼󰷇󰤪ă󱅺󰙏Lj󰹼󰷇󰜋󰱀󰠕󰰱󰹴󰦡󰙷󰚦󱇸󱍆󰩇Lj󰹢󱆩󱇀󰰫󱁵󱇑󰾔և󱍆󱂠󰘯󰟌󰴗󱊱󰦥󱁎󰫶󰚦󱆌󱆩Lj󰫩󰷃󱆌Վ󰤺󰤈󰛉󱍆󰹕󰿒󰜈󰥠󰖪󰴗(RTD)󰚪ă

󰚓BUF = 0󰹉Lj󰴗󰥲󱈞󰿮󰣐󰘋󰰇󰹕󱀰󰟾󱍕ă󱊄󰥽󰚞󱋂󰦡󰟛󰚦󰰇󰱆󰹼󰷇󰛉󰭁ă󰵩󱌀󱅪Lj󰞿󰿮󰣐󰘋󰹼󰷇󰭟󰧦󰩗󰾺󰵻󰛯󱇸󰼵󰠃󰛯󰼀󰚦󰞶󱈜ă󱅺󰙏Lj󰹼󰷇󱆅󰦗󰸉󰚦󰛉󱍆󱇑󰛉󰶹󱍇󰢇󰩗󰱀󰣷󱆅󰴐󱈺󱅮󱀃󰖶Lj󰨏󰼹󰵽󰨦󱇀󰵻󰛯ADC󰹼󰷇󰚦󱂑󰡽󱇸󰚦󰹼󰘜󱍆󰩇ă՗19󱁂󰹖󰬕󰾺󰝞󱊹󱈞20󰿋󰝴Ր󰭲󰺤󰳝󰽉󰥲󱀰󰗂󰸴󱈺󱅮󱀃󰖶Lj󰿮󰣐󰘋󰰇󰹕󱀰󰾔և󰛉󱍆/󰛉󰶹󰚦󰶹󱂹󱊵ă

՗19. 20󰿋󰝴Ր󰭲󰽉󰥲󱀰Lj󰿮󱈺󱅮󱀃󰖶󰚦󰾔ևR-C󱍇󰢇C (pF) R (Ω) 50 9 k 100 6 k 500 1.5 k 1000 900 5000 200

󰫩󰷃Lj󰚓󱈺󱅮󰸢󱋃󰾺64󰹉Lj󰨩󰝛󰟵󱈯󰸳󰛆󱂙󱊵󰾺40 nVLj󱊄

󱁎󰚓󱇀21󰿋󱆶󱁳󰝴Ր󰭲󰤈18.5󰿋󰞃󰞃󱊵󰝴Ր󰭲ă

󰫧󱆩󰲦󱋃󰤸󰙪󰴗󱋐󰚦󰿋G2󱋁󰿋G0Lj󰩗󱅜󰥽AD7792 /AD7793󰚦󱈺󱅮󰸢󱋃󰾺1Ă2Ă4Ă8Ă16Ă32Ă64󰤈128ă󱅺󰙏Lj󰚓󰖑󱆩2.5 V󰾔և󰤏󱌚󰛉󱃣󱇸󰹉Lj󰚇󰤟󱂠󰛉󱃣󰝔󰾷󰾺0 mV󱋁20 mV󰚟0 V󱋁2.5 VLj󰜸󰺡󰤟󱂠󰛉󱃣󰝔󰾷󰾺±20 mV󱋁±2.5 Vă󰚓󱅏՗󰝣󰙷󰴗󰩗󱆩󰹉)󱈺󱅮≥ 4*Lj󰠌󰰇󰛉󱃣󱊵((AIN(+) + AIN(–))/2)փ󰚥󰚯󱇀0.5 Vă

󰷃󰡕AD7792/AD7793󰖑󱆩󰛉󱃣󱊵󱇑AVDD󱁎󰚪󰚦󰾔և󰤏󱌚󰛉󱃣󱇸Lj󱈶󱈞󱅏՗󰝣󰙷󰴗󱆶󱁳󰚦󰵧󰪄󱀰Lj󰾺󰬕ԍ󱊤󰱀󰠕󱊟󰗉󰟾󱍕Lj󰰇󰱆󰹼󰷇󱂑󰡽󰚦󰛉󱃣փ󰚥󰟛󱇀VREF/󱈺󱅮󰚦90%ă

󰺡󰤟󱂠/󰚇󰤟󱂠󰲦󱋃

AD7792/AD7793󰚦󰰇󰱆󰹼󰷇󰜋󰩗󰦥󰹴󱈞󰚇󰤟󱂠󰤈󰺡󰤟󱂠󰹼󰷇󰛉󱃣󰝔󰾷ă󰺡󰤟󱂠󰹼󰷇󰝔󰾷փ󰙾՗󰴗󰥲󰩗󱅜󰰱󰹴󱁎󰜔󱇀󱀣󰽥GND󰚦󰞶󰛉󱃣ăAIN(+)󰹼󰷇󰜋󰚦󰺡󰤟󱂠󱂑󰡽󰢅󰚇󰤟󱂠󱂑󰡽󰨩󱅜AIN(−)󰹼󰷇󰜋󰚦󰛉󱃣󰾺󰤏󱌚ă󰫩󰷃Lj󰷃󰡕AIN(−)󰾺2.5 VLjADC󰲦󱋃󰾺󰚇󰤟󱂠󰰇󰹕Lj󱈺󱅮󰾺1Lj󱈶AIN(+)󱆅󰦗󰚦󰹼󰷇󰛉󱃣󰝔󰾷󰾺2.5 V󱋁5 Vă

󰷃󰡕ADC󰲦󱋃󰾺󰺡󰤟󱂠󰰇󰹕Lj󱈶AIN(+)󰹼󰷇󰜋󰚦󰰇󰱆󰹼󰷇󰝔󰾷󰾺0 V󱋁5 Vă󰽚󰡗󰜔󰤸󰙪󰴗󰚦U/B󰿋󰧊󱂜Պ󰗲Lj󰩗󰥽ADC󰲦󱋃󰾺󰚇󰺡󰤟󱂠󰰇󰹕󰤈󰺡󰤟󱂠󰰇󰹕ă

AD7792/AD7793󰧈󱈞󰚓󱈺󱅮󱊵󰾺1󰤈2󰹉Lj󱈏󱂜󱈞󰿮󰣐󰘋󰰇󰹕󱀰ă󰚓󱈺󱅮󱊵󰟸󰟛󰹉Lj󰣐󰘋󰴗󱌲󰛯󰹑󰱀ă󰣐󰘋󰰇󰹕󱀰Lj󰨨󰜔󰹼󰷇󰛉󱃣󰝔󰾷󱁌󱇀GND + 100 mV󱋁AVDD – 100 mV󱊮󰥘ă󰚓󱈺󱅮󱊵󰙳󰚟4󰤈󰟸󰟛󰹉Lj󰹑󰱀󱅏՗󰝣󰙷󰴗ă󰚓󱅏՗󰝣󰙷󰴗󰩗󱆩󰹉Lj󰨨󰜔󰹼󰷇󰛉󱃣󰝔󰾷󱁌󱇀GND + 300 mV󱋁AVDD – 1.1 V󱊮󰥘ă󱈞󰸢󰛨󰠌󰰇󰛉󱃣󰹉Lj󱆩󰢽Ղ󱂷󱌀󱅪󰸉󰺎󱁌󱋆Lj󱅜Սԍ󱊤󰛉󱃣փ󰗒󰡗󰸉󰺎󱁌󱊵Lj󰙗󰜸Ն󰯨󰦇󰚯󰴗󰥲󰚦󱁍󱂠󱂠󰱀󰢅󱈯󰸳󱂠󰱀ă

󰿮󰣐󰘋󰰇󰹕󱀰Lj󰨨󰜔󰹼󰷇󰛉󱃣󰚦󰝔󰾷󱈞GND – 30 mV󱋁AVDD + 30 mV󱊮󰥘ă󰞶󰨨󰜔󰹼󰷇󰛉󱃣󱁌󱊵󰾺󰥔󰩦󱁎󰜔󱇀GND󰚦󱊈󰺡󰤟󱂠󱁭󱂑󰡽󰼵󰠃󰬕󰽉󰥲ă 󱅏՗󰝣󰙷󰴗

󱈞AD7792/AD7793󰰾Lj󰩗󰽚󰡗󰺕󱌴󰝛󰹕󰥽󰰇󰱆󰹼󰷇󱂑󰡽󰝣󰙷1󱋁2Ԡă󰚍󰹟Lj󰚓󱈺󱅮󰾺4󰤈󰟸󰟛󰹉Lj󰣐󰘋󰴗󰹼󰘜󱂑󰡽󰥽󰹁󰥇󱇀󰳌󰰾󱅏՗󰝣󰙷󰴗󰚦󰹼󰷇󰜋ă󰚯󱈯󰸳󱅏՗󰝣󰙷󰴗󰚦󰙪󱈞󱅪󰿆󱌣󱁭󰞗󰜈󱂑󰡽󰩗󱅜󱈞AD7792/AD7793󰰾ԥ󰝣󰙷Lj󰽞󰹉󰶰󰶗ԍ󰗼󰘜󰷥󰚦󱈯󰸳󱂠󰱀ă

󰺕󰨍󰹼󰘜Պ󰮓!

󰚓ADC󰲦󱋃󰾺󰚇󰤟󱂠󰟾󱍕󰰇󰹕󰹉Lj󰹼󰘜󰮓󰾺󱌲󰶗)󱊱󰦥*󰜾󰧊󱋆󰮓Ǘ󰬭󰖶󰝴󰹼󰷇󰛉󱃣󰜔󱆌󰚦󰮓󰾺00…00Lj󱋐󰥘󰛉󰳝󰛉󱃣󰜔󱆌󰚦󰮓󰾺100...000Lj󰮢󰬉󰗲󰹼󰷇󰛉󱃣󰜔󱆌󰚦󰮓󰾺111...111ă

Code = (2N × AIN × GAIN)/VREF

󰚓ADC󰲦󱋃󰾺󰺡󰤟󱂠󰟾󱍕󰰇󰹕󰹉Lj󰹼󰘜󰮓󰾺󰳋󱅎󰜾󰧊󱋆󰮓Ǘ󰞶󰮢󰬉󰗲󰛉󱃣󰜔󱆌󰚦󰮓󰾺000...000Lj󰬭󰖶󰝴󰹼󰷇󰛉󱃣󰜔󱆌󰚦󰮓󰾺100...000Lj󱊟󰮢󰬉󰗲󰹼󰷇󰛉󱃣󰜔󱆌󰚦󰮓󰾺111...111ă󰶪󰢆󰜔󱆌󱇀󰰇󰱆󰹼󰷇󰛉󱃣󰚦󰹼󰘜󰮓󰨩󰩗՗󰹖󰾺ǖ

Code = 2N – 1 × [(AIN × GAIN /VREF) + 1]

󰴄󱋐ǖAIN՗󰹖󰰇󰱆󰹼󰷇󰛉󱃣ǗGAIN՗󰹖󱅏՗󰝣󰙷󰴗󰚦󰸢󱋃DŽ1󱋁128DžǗAD7792󰚦N󱊵󰾺16LjAD7793󰚦N󱊵󰾺24ă

Rev. B | Page 24 of 32

AD7792/AD7793

󰶷󰜏󰛉󰭁!

AD7792/AD7793󰰾󱋃󰬇󰟲100 nA󰢛󰭁󰝀󰸴󰴗ǖ󱅃󰟲󱆩󱇀󰼵󰠃󰙗AVDD󰚟AIN(+)󰚦󱇸󰛉󰭁Lj󰬷󱅃󰟲󱆩󱇀󰼵󰠃󰙗AIN(−)󰚟GND󰚦󱀌󰛉󰭁ă󱊄󱁵󰛉󰭁󰵎󰣑󱋁󱃋󰛨󰚦󰰇󰱆󰹼󰷇󰜔ă󱊄󰬇󰟲󰛉󰭁󰤈󰨸󰤈󰠲Lj󰵽󰨦󱇀󰲦󱋃󰤸󰙪󰴗󱋐󰚦󰶷󰜏󰛉󰭁󰹑󰱀(BO)󰿋ă󱈞󰰇󰱆󰹼󰷇󰽚󰚢󰸉󱊴󱂜󰖪󰬉󰖡󱍕󱊮󰴮Lj󰩗󱅜󰫧󱆩󱊄󱁵󰛉󰭁󰪠󰶓󰶫󰾔և󰘯󰟌󰴗󰹟󰞏󱊟󰗉󰟾󱍕ă󰦥󰽚󰶷󰜏󰛉󰭁󰢫Lj󰛉󰭁󰭁󰷇󰾔և󰘯󰟌󰴗󰛉󰭟Lj󰶗󰢫Ս󰩗󱈞󰰇󰱆󰹼󰷇󰽚󰚢󰸉󰖪󰬉󰹼󰷇󰛉󱃣ă󰷃󰡕󰖪󰚥󰚦󰛉󱃣󱊵󰾺󰮢󰬉󰗲Lj󱆩󰢽󱂴󱄲󰶓󰶫󰗂󰸴󰮢󰬉󰗲󰛉󱃣󰚦󱇱󱅺ă󰮢󰬉󰗲󰜁󰺕󱅪󰿆󱌣󰩗󰱀󰙪󱈞󰴮󰜋󰘯󰟌󰴗󰨸󰭟Lj󱄺󰩗󰱀󰹟󰴮󰜋󰘯󰟌󰴗󰡗󱈜Lj󰽚󰡗󰮢󰬉󰗲󰹼󰘜՗󱁄󰘜󰪠Lj󰤈󱊁󰶍󰸓󰤏󱌚󰛉󱃣Lj󱅺󰙏Lj󰚞󱋂󰺕󰨍󱶏󰿋󱋁󰶇1ă

󰚓󰹼󰘜󰾺󰶇1󰹉Lj󱆩󰢽󱂴󱄲󰥠󰖱󰹟󰞏󰙪󱈞󱊄󰷙󱋖󰵧󰪄Lj󰶗󰢫󱍔󰘜󰲒󰜏ă󰷃󰡕󰖪󰚥󰚦󰛉󱃣󰾺0 VLj󱈶󰩗󰱀󰹟󰘯󰟌󰴗󰜌󰭟ă󱊟󰗉󰟾󱍕󰹉Lj󱆌󰥽0󱂀󰷇󰲦󱋃󰤸󰙪󰴗󱋐󰚦BO󰿋Lj󱅜󰠲Կ󱊄󱁵󰶷󰜏󰛉󰭁ă󰛉󰭁󱇸󰟾󱍕󱈞󰗉󰡀󰨨󰜔󰹼󰷇󰛉󱃣󰝔󰾷󰰾Lj󰣐󰘋󰴗󰨸󰴔ă

󰚓󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰩗󱆩󰵐BOOST=0󰹉LjAD7792/AD7793󰚦󰠀󰡼󰼵󰟛40 μAǗ󰚓󰸷󱃣󰠀󰱀󰹑󰱀󰹉󰴗󰥲󰠀󰡼󰼵󰟛250 μAă

󰤏󱌚󰛉󱃣!

AD7792/AD7793󰤼󰩗󰫧󱆩󰴴󰷇󰹕1.17 V󰤏󱌚󰛉󱃣󱇸󰾺ADC󰠃󰛉Lj󱄺󰩗󱅜󰹑󱆩󰾔և󰤏󱌚󰛉󱃣󱇸ă󰞿󰴴󰷇󰹕󰤏󱌚󰛉󱃣󱇸󰨏󱆶󰚯󱈯󰸳Ă󰚯󰿒󰳏󰼬󱂠Lj󰿒󰳏󰛆󱂙󱊵󰾺4 ppm/°Că󰫧󱆩󰾔և󰤏󱌚󰛉󱃣󱇸󰹉LjADC󰚦󰽚󰚢󰨏󱆶󰾜󰶇󰖶󰝴󰹼󰷇󰱀󰫰ă󰲦󱋃󰤸󰙪󰴗󱋐󰚦REFSEL󰿋󱆩󱇀󱃋󱈵AD7792/AD7793󰚦󰤏󱌚󰛉󱃣󱇸ă󰰾և󰤏󱌚󰛉󱃣󱇸ԥ󱃋󱋐󰢫Lj󰤏󱌚󰛉󱃣󱇸󱇑󰛙󱋆󰴗󱈞󰴗󰥲󰰾և󱁎󰫶ăREFIN󱆅󰦗փ󱊧󰗼󰰾և󰤏󱌚󰛉󱃣󱇸ă 󱊄󱁵󰖶󰝴󰹼󰷇󰚦󰠌󰰇󰛉󱃣󰝔󰾷󰾺GND󱋁AVDDă󰤏󱌚󰛉󱃣󰹼󰷇󰹟󰿮󰣐󰘋󰹕󰚦Ǘ󱅺󰙏Lj󰡗󰙷󰚦R-C󱇸󱍆󰩇󰣷󰚞󱋂󱈺󱅮󱀃󰖶ăՔ󰗬󰤏󱌚󰛉󱃣REFIN(REFIN(+)−REFIN(−))󰾺2.5 VLj󰚍AD7792/AD7793󰩗󱅜󰖑󱆩󰚦󰤏󱌚󰛉󱃣󰚦󰝔󰾷󰾺0.1V󱋁AVDDă󰷃󰡕󱆌󱆩󱋐󰰇󰱆󰹼󰷇󰜋󰚦󰘯󰟌󰴗󰚦󰤘󰫤󰛉󱃣󰤈󰤘󰫤󰛉󰭁󱄺󰾺󰴗󰥲󰼵󰠃󰤏󱌚󰛉󱃣Lj󱈶󰩗󱅜󱁩󰘣󰤘󰫤󱇸󱋐󰚯󰳕󱈯󰸳󰚦󱆖󱁚Lj󰴄󱇱󱅺󰹟󱆌󱆩󰹟Բ󰭲󰹕󰚦ă󰷃󰡕󱈞󰝥Բ󰭲󰹕󱆌󱆩󱋐󰖑󱆩AD7792/AD7793Lj󱆌󰹑󱆩󰚯󱈯󰸳󰤏󱌚󰛉󱃣󱇸ă 󱈞AD7792/AD7793󱋐Lj󰥺󱅱󰖑󱆩2.5V󰤏󱌚󰛉󱃣󱇸LjԈ󰪔ADR381󰢅ADR391Lj󰜾󱊁󰨩󰾺󰚯󱈯󰸳Ă󰚯󰠀󰡼󰤏󱌚󰛉󱃣󱇸ă󰬷󰾔Lj󰤏󱌚󰛉󱃣󰹼󰷇󰱀󰠕󰼵󰠃󰟛󱍆󰩇Ă󰛯󰼀󰞶󱈜ă󱆯󱇀󰟳󰤏󱌚󰛉󱃣󰹼󰷇󰚦󰹼󰷇󱍆󰩇󰹟󰛯󰼀󰚦Lj󱅺󰙏󱊄󱁵󰹼󰷇󰜋󰸉󰚦󰛉󱍆󱇑󰛉󰶹󱍇󰢇󰩗󰱀󰣷󰚞󱋂󱊱󰭁󱈺󱅮󱀃󰖶Lj󰨏󰼹󰵽󰨦󱇀󰵻󰛯󰤏󱌚󰛉󱃣󰹼󰷇󰚦󱂑󰡽󱇸󰚦󰹼󰘜󱍆󰩇ă

󱅜󰸉󰽸󰥪󰚦󰤏󱌚󰛉󱃣󱇸)󰫩󰷃ADR391*󰽚󰗉󰨏󱆶󰚯󰹼󰘜󱍆󰩇Lj󱅺󰜸LjREFIN(+)󰸉󰩗󱅜󰙪󱈞󰶁󱳘󰛉󰶹Lj󰚍փ󰣷󰟴󱀣󰽥󰙼󰪠󱈺󱅮󱀃󰖶ă󰷃󰡕󱈞󰾔և󰛉󱍆󰸉󰤇󰵽󰤏󱌚󰹼󰷇󰛉󱃣Lj󱈶󱅪󰿆󱌣󰤏󱌚󰛉󱃣󰹼󰷇󰜋󰨏󱆶󰢔󰙷󰚦󰾔և󱇸󱍆󰩇ă󰜔󱇀󱊄󱋖󰛉󰭟󰲦󱋃Ljփ󰽸󰥪󱈞REFIN󱆅󰦗󰸉󰧊󱂜󰾔և󰶁󱳘ă

󰤘󰫤󰛉󰭁!

AD7792/AD7793󰰾󱋃󰬇󰟲󰳅󰲦󰚦󰷉󰥲󰩗󰲦󱋃󰢛󰭁󱇸Lj󰴄󰹼󰘜󰛉󰭁󰩗󰽚󰡗Պ󰗲󰸢󰾺10 μAĂ210 μA󰤈1 mAă󰪠󱌲AVDD󰚦󱊄󰬇󰟲󱇸󰛉󰭁󱊱󰦥󰘯󰹼󱋁󰴗󰥲󰚦IOUT1󰤈IOUT2󱆅󰦗󰰾ă󱊄󱁵󰛉󰭁󱇸󰽚󰡗IO󰤸󰙪󰴗󱋐󰚦󰲦󱋃󰿋󰧊󱂜󰩦󱋆ă󰫧󱆩󰲦󱋃󰿋󰩗󱅜󰹑󰱀󰛉󰭁󱇸Ă󰥽󰛉󰭁󱇸󰚞󱁠IOUT1󰤈IOUT2󱅜󰤤󱃋󱈵󰛉󰭁󱊵ă󱊄󱁵󰛉󰭁󱇸󰩗󱅜󱆩󰪠󰤘󰫤󰾔և󱍆󱂠󰛉󰵃󰤈RTD󰘯󰟌󰴗ă

󰳋󱋃󰛉󱃣󰝀󰸴󰴗!

AD7792/AD7793󰰾󱋃󱅃󰟲󰳋󱋃󰛉󱃣󰝀󰸴󰴗ă󰻲󰩗󰥽󰻯󱃋󰹼󰷇󰽚󰚢󰚦󰞶󰜋󰚦󰛉󱃣󰳋󱋃󱋁AVDD/2ă󱊄󱈞󰶤󰛉󰱾󰚦󱆌󱆩󱋐󰝥󰗉󱆶󱆩Lj󱅺󰾺󰚓󱈺󱅮󱊵󰟛󱇀2󰹉LjՂ󱂷󰥽󰶤󰛉󰱾󰗂󰸴󰚦󰛉󱃣󰳋󱋃󰺕󰞚󱊱󰭁󰛉󱃣ă󱊄󰹟Ղ󱂷󰚦Lj󱅺󰾺󱅏՗󰝣󰙷󰴗󱂴󱄲󱅃󰛨󰚦󱇧󰬉Lj󱅜󰶓ԍ󰜔󰦥󰧎GND󰤈AVDD󰚦󱂑󰡽󰧊󱂜󰧛󰶓󰚦󱌈󰣑ă

󰳋󱋃󰛉󱃣󰝀󰸴󰴗󱆯󰲦󱋃󰤸󰙪󰴗󱋐󰚦VBIAS1󰿋ĂVBIAS0󰿋󰢅BOOST󰿋󰠌󰽞󰩦󱋆ă󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰚦󰸉󰛉󰹉󰥘󰵽󰨦󱇀󰞶󱈜󰛉󰶹󰚦󰙷󱁭ă󰾺󰬕󰹢󱆌󰦡󰟛󰚦󰞶󱈜󰛉󰶹LjAD7792/ AD7793󰲦󱆶󱅃BOOST󰿋ă󰚓󰙏󰿋󱋃1󰹉Lj󰳋󱋃󰛉󱃣󰝀󰸴󰴗󰚦󰠀󰡼󰼵󰟛Lj󰩗󰙷󰞗󰻫󰜌󰸉󰛉󰹉󰥘ă󰽮10󱁂󰹖󰬕BOOST󰾺0󰢅1󰹉Lj󰴗󰥲󱈞փ󰽞󰞶󱈜󰛉󰶹󰽉󰥲󱀰󰚦󰸉󰛉󰹉󰥘ă

󰞰󰿋!

󰜔AD7792/AD7793󰫶󱃄󱂀󰷇32󰟲1Lj󰩗󱅜󰥽󰴗󰥲󰚦󰛉󰭟󰢅󰘲󱂜󰦥󰩨󰞰󰿋ă󱊄󱄣󱍔󰩗󱅜󰥽󰻯󱆶󰳌󰰾󰤸󰙪󰴗󰞰󰿋󰾺󰰐󰶫󱊵Lj󰽞󰹉󰞰󰿋󰮇󰤡Ă󰺕󱌴󰭳հ󰴗󰢅󰰇󰱆󰛙󱋆󰴗ă󰸉󰛉󰹉󰣷󱌲󰛯󱊴󱂜󰞰󰿋󰖡󱍕ă󰴔󰛯󰞰󰿋󰖡󱍕󰢫Lj󱆩󰢽Ղ󱂷󰚪󰚁500 μs󰖍󰱀󰝡󰿚󰳌󰰾󰤸󰙪󰴗ă󰷃󰡕SCLK󱁍󰭟󰸉󰚦󱈯󰸳󰚞󱋂󰘲󱂜󰦥󰩨Վ󰾺󱅴օ󱌒󰼀Lj󱈶󱂴󱄲󱊴󱂜󰞰󰿋󱅜󰣬󰞰󰽞օ󰠀󰱀ă

Rev. B | Page 25 of 32

AD7792/AD7793

AVDD󰥔󰩦󰴗

ADC󰘣󰬕󰱀󰠕󱌈󰣑󰾔և󰛉󱃣󱅜󰾔Lj󰣏󰩗󱅜󰥔󰩦AVDD󱆅󰦗󰸉󰚦󰛉󱃣ă󰚓CH2󱋁CH0󰿋󰨩󰾺1󰹉LjAVDD󱆅󰦗󰸉󰚦󰛉󱃣󱈞󰰾և󰺛󰥩6ԠLj󰻯󰤇󰚥󰚦󰛉󱃣󰹁󰥇󱇀Σ-Δ󰛙󱋆󰴗󱊮󰸉Lj󰴗󰥲󰖑󱆩1.17 V󰰾և󰤏󱌚󰛉󱃣󰵻󰛯󱅜󰹍󱁄󰰇󰺕󱌈󰣑ă󰙏󰼬󱂠󰚦󱆩󰘪󱈞󱇀󰩗󱅜󰥔󰩦󰛉󱇸󰛉󱃣󰚦հ󰛯ă

󱁯󱌚󰖡󱍕󰾜󰗯󰢫LjADC󰘪󱇀󰩣󱀾󰰇󰹕ă󰖪󰚥󰚦󰮢󰬉󰗲󱀣󰺕ԍ󰙪󱈞󰻯󱃋󰽚󰚢󰚦󰮢󰬉󰗲󰤸󰙪󰴗󱋐ă󰚓󱈺󱅮󰾺128󰹉Ljփ󱈎󱂹󱊴󱂜󰰾և󰮢󰬉󰗲󱁯󱌚Lj󰚍󱈎󱂹󱊴󱂜󱀣󰽥󰮢󰬉󰗲󱁯󱌚ă󰯅󰙒󰟸󰟀󱅃󰟲󰽚󰚢󰚦󱈺󱅮󰹉Lj󰛼󱂴󱄲󱊴󱂜󰮢󰬉󰗲󱁯󱌚Lj󱅜Ս󰥽󰮢󰬉󰗲󱀃󰖶󰦇󱋁󱍌󱁭ă

󰰾և󰮢󰬉󰗲󱁯󱌚󱊻󰱀󱈞󰼬󰛨󰟸󱂎󰻏󰭲󰽉󰥲󱀰󱊴󱂜ă󰚓󱈺󱅮󰾺1Ă2󰢅4󰹉Lj󰩗󱅜󱈞󰶪󱅪󰟸󱂎󰻏󰭲󰽉󰥲󱀰󱊴󱂜󰰾և󰮢󰬉󰗲󱁯󱌚ă󰚍󰹟Lj󰜔󱇀󰟸󰟛󱈺󱅮Lj󱈶󱊻󰱀󱈞󰟸󱂎󰻏󰭲󱁭󱇀󰤈󰚪󱇀16.7 HzĂ33.2 Hz󰢅50 Hz󰚦󰽉󰥲󱀰󱊴󱂜ă󰶗󰜸Lj󰮢󰬉󰗲󱀃󰖶փ󱅺󰟸󱂎󰻏󰭲󰜸󰟀ՎLj󱅺󰙏Lj󱈞󰰗󱅃󰟸󱂎󰻏󰭲󰽉󰥲󱀰󱊴󱂜󰚦󱁯󱌚󰜔󰻯󱆶󰟸󱂎󰻏󰭲󰨩󱆶󱁳(󰥍󰸢󱈺󱅮󰤈󰤏󱌚󰛉󱃣󱇸ԍ󰗼փՎ)ă

󰾜󰗯󱀣󰽥󰮢󰬉󰗲󱁯󱌚󱂴󱄲2󰟲󱌈󰣑󱋜󰳺Lj󱇑󱈺󱅮󰸢󱋃󰿮󰠲ă󱀣󰽥󰮢󰬉󰗲󱁯󱌚󰩗󱅜󱈞󰻯󱆶󱈺󱅮󰢅󰻯󱆶󰟸󱂎󰻏󰭲󰽉󰥲󱀰󱊴󱂜ă󰷃󱂴󰽞󰹉󱊴󱂜󱀣󰽥󰸿󰛙󱁯󱌚󱇑󱀣󰽥󰮢󰬉󰗲󱁯󱌚Lj󱆌󱈞󰴔󰛯󱀣󰽥󰮢󰬉󰗲󱁯󱌚󰴮󱊴󱂜󱀣󰽥󰸿󰛙󱁯󱌚ă

󱁯󱌚

AD7792/AD7793󰼵󰠃4󱋖󱁯󱌚󰰇󰹕ă󱆩󰢽󰩗󰽚󰡗󰜔󰰇󰹕󰤸󰙪󰴗󰰾󰚦󰰇󰹕󰿋󰧊󱂜Պ󰗲󰪠󱃋󱈵󱁯󱌚󰰇󰹕ă󱁯󱌚󰰇󰹕󰝴՚󰾺󰰾և󰬭󰛉󰳝󱁯󱌚Ă󰰾և󰮢󰬉󰗲󱁯󱌚Ă󱀣󰽥󰬭󰛉󰳝󱁯󱌚󰢅󱀣󰽥󰮢󰬉󰗲󱁯󱌚Lj󱊴󱂜󱁯󱌚󰖡󱍕󰩗󰯽󱁂󰦇󰚯󱅺󱈯󰸳󰜸󰗂󰸴󰚦󰸿󰛙󱀃󰖶󰢅󰮢󰬉󰗲󱀃󰖶ă󰯅󰙒󱌈󰣑󰾜󰗯󰢫Lj󱂴󰫧󱆩ADC󱁯󱌚󰤸󰙪󰴗󰜔ADC󱌈󰣑󰦳󰡕󰧊󱂜󰛙󱊝Lj󰶗󰢫Lj󰥽󰛙󱊝󰦳󰡕󱂀󰷇󰺕󰨍󰤸󰙪󰴗ă󱌈󰣑󰦳󰡕󱀶󰥩󰶁󰸿󰛙󱁯󱌚󱀣󰺕Lj󰶗󰢫󰗱󱅜󰮢󰬉󰗲󱀣󰺕ă

󰾺󰴔󰛯󱁯󱌚󰠀󰱀LjՂ󱂷󰥽󰹢󰚓󰚦󱊵󱂀󰷇󰰇󰹕󰤸󰙪󰴗󱋐󰚦MD2󱋁MD0󰿋ă󰚓󱁯󱌚󰾜󰗯󰢫Lj󱁎󱆌󱁯󱌚󰤸󰙪󰴗󰚦󰰾󰶹󰣷ԥ󰟸󱂎Lj󱌒󰼀󰤸󰙪󰴗󱋐󰚦RDY󰿋ԥ󱋃1LjDOUT/RDY󱆅󰦗Վ󰾺󰚯󰛉󰳝)󰷃󰡕CS󰾺󰚯󰛉󰳝*LjAD7792/AD7793󰝓󰣮󱋁󰩣󱀾󰰇󰹕ă

󰰾և󰬭󰛉󰳝󰤈󰮢󰬉󰗲󱁯󱌚󰳺󰥘Lj󰟳󰬭󰹼󰷇󰢅󰮢󰬉󰗲󰹼󰷇󱈞󰰾և󱌲󰛯󰫶󰦥󱋁ADC󰹼󰷇󱆅󰦗ă󰶗󰜸Lj󱀣󰽥󱁯󱌚󱈶󱄲󰵱󱈞󰴔󰛯󱁯󱌚󰰇󰹕󱊮󰴮Lj󰥽󱀣󰽥󰬭󰛉󰳝󰛉󱃣󰢅󱀣󰽥󰮢󰬉󰗲󰛉󱃣󰹁󰥇󱇀ADCă󱊄󱄣󰱀󱁩󰘣ADC󰚦󰾔և󱀃󰖶ă

󰙗󰖡󱍕󰸉󰪠󰩂Lj󱁯󱌚󰧽󱁟󰬷󱅃󰙒ADC󱌈󰣑ă󰷃󱂴󱄲󱊴󱂜󰬭󰛉󰳝󱁯󱌚LjՂ󱂷󱈞󱊴󱂜󰮢󰬉󰗲󱁯󱌚󱊮󰴮󱊴󱂜󰬭󰛉󰳝󱁯󱌚ă󱀣󰽥󰷉󰥲󱆌󰥔󰹫󱌒󰼀󰤸󰙪󰴗󱋐󰚦RDY󰿋󰤈DOUT/RDY󱆅󰦗Lj󰽚󰡗󱅃󰟲󰭾󱃙󱂾󰬚󰤈󱋐󰜏󰵻󰛯󰗲󱂾󰶓󰛨󱁯󱌚󰢆󰹉󰦳󰺐ă

󰰾և󰸿󰛙󱁯󱌚󰢅󱀣󰽥󰸿󰛙󱁯󱌚󰨩󱂴󱄲󰢾󰝯󰬇󰟲󱌈󰣑󱋜󰳺ă󱆯󱇀ADCԨ󰸧󰱀󰗼󱃄󱁩󰘣󰸿󰛙Lj󰙏󰹉Lj󰿮󱂴󱊴󱂜󰰾և󰸿󰛙󱁯󱌚ă

󱊴󱂜󰰾և󰮢󰬉󰗲󱁯󱌚Lj󰮢󰬉󰗲󰹼󰷇󰛉󱃣󰣷󱌲󰛯󱇑󰙏󱁯󱌚󱃋󰛨󰚦󰰇󰱆󰹼󰷇󰜋󱁎󰫶ă󰚓󱈺󱅮󰾺1󰹉Lj󰾜󰗯󱁯󱌚󱂴󱄲2󰟲󱌈󰣑󱋜󰳺ă󰜔󱇀󰟸󰟛󱈺󱅮Lj󱊴󱂜󰮢󰬉󰗲󱁯󱌚󱂴󱄲4󰟲󱌈󰣑󱋜󰳺ăDOUT/RDY󱈞󱁯󱌚󰴔󰛯󰢫Վ󰾺󰟛󰛉󰳝Lj󱈞󱁯󱌚󰾜󰗯󰢫󰣬󰞰󰚯󰛉󰳝ă

󰦥󰚺󰢅ք󰨆!

󱆯󱇀ADC󰚦󰰇󰱆󰹼󰷇󰢅󰤏󱌚󰹼󰷇󰨩󰾺󰖶󰝴󰹼󰷇Lj󱅺󰙏Lj󰰇󰱆󰛙󱋆󰴗󱋐󰚦󰜠󰺕󰛉󱃣󰨩󰾺󰠌󰰇󰛉󱃣ă󰴗󰥲󰚦󰘜󰷥󰠌󰰇󱅞󱋆󱂠󰱀󰩗󱁩󰘣󱊄󱁵󰹼󰷇󱂑󰡽󱋐󰚦󰠌󰰇󱈯󰸳ă󰺕󱌴󰭳հ󰴗󰩗󱅞󱋆󰛉󱇸󰸉󰚦󰩻󰙼󱈯󰸳Lj󰚍󰿮󰝆󱅞󱋆󰰫󱁵󰳕󰭲󰾺󰛙󱋆󰴗󰖑󱄣󰳕󰭲󰚦󱊝󰺕Ԡ󰚦󱈯󰸳ă󰬷󰾔Lj󰺕󱌴󰭳հ󰴗󰣏󰱀󰠕󱁩󰘣󰪠󱌲󰰇󰱆󰢅󰤏󱌚󰹼󰷇󰜋󰚦󱈯󰸳Lj󰚍󰴮󰼵󰹟󱊄󱁵󱈯󰸳󱇸󰯁󱆶󰹑󰰇󰱆󰛙󱋆󰴗ԏ󰢅ă󱅺󰙏Lj󱇑󰘯󰽥󰟛󰝴Ր󰭲󱌈󰣑󰴗󱁎ԲLjAD7792/AD7793󰨏󱆶󰟸󰴽󰚦󰩇󱈯󰱀󰫰ă󰶗󰜸Lj󱆯󱇀AD7792/ AD7793󰚦󰝴Ր󰭲󰤟󰟛Lj󰚍󰴄󱈯󰸳󰛉󰳝󰝥󰗉󰚯Lj󱅺󰙏LjՂ󱂷󰧉󰸱󰜔󰚁󰦥󰚺󰢅ք󰨆ă

AD7792/AD7793󰻯󱈞󰚦󱆇󰺘󰛉󰭟ӱ󱈞󰸢󰤺󰹉󱆌󰥽󰰇󰱆և󰝴󱇑󰺕󱌴և󰝴󰝴󰫗Ljժ󱁌󱋆󱈞󰛉󰭟ӱ󰚦󰼬󰛨󰵶󱇘󰰾ă󰾺󰹍󱁄󱍌󰥅󰳡ԸLj󰦥󰚺󰖫󱅃ӯ󱆌󰧑󰬉󰸓󰖑󱆩󰹌󰩚󰤰󰺍ă

󰥺󱅱󰥽AD7792/AD7793󰚦GND󱆅󰦗󰫶󰚟󱀣󰽥󰚦AGND󰖫ă󰿮󰮃󰖑󰵽󰢆󱋖ք󰨆Lj󱆩󰢽󰨩Ղ󱂷󱌀󱅪󰡀󰣄󱀣󰽥󱋐󰛉󰭁󰚦󰣮󰭁󰭟󰧦Lj󰶓ԍ󰻯󱆶󰛉󰭁󰚦󰣮󰭁󰭟󰧦󰨩󰧑󰩗󰱀󰩍󰧎󰛉󰭁󰚟󰙳󰰣󰚦󰚺󰻯󰧝󰡗󰚦󰭟󰧦ă󰵎󱀀󰴽󱋆󰺕󱌴󰛉󰭁󰭁󰡗ք󰨆󰚦AGNDև󰝴ă

Rev. B | Page 26 of 32

AD7792/AD7793

󰥽AD7792/AD7793󰚦󰦥󰚺󰖫󰝣󱈞󰴄󱀰󰝛Lj󰩗󱅜󰝞󱊹󱈯󰸳󱳘󰢇ăAD7792/AD7793󰚦󰛉󱇸󱁍󰭟󱆌󰖑󱆩󰧑󰩗󰱀󰩻󰚦󱌽󱁍Lj󱅜󰼵󰠃󰚯󱍆󰩇󰭟󰧦Ă󰥩󱁭󰛉󱇸󱁍󰭟󰸉󰚦󰮱󰙐󱈯󰸳󱁳󱆌ă󰾺Ն󰯨󱁠󰛉󰭟ӱ󰸉󰚦󰴄󰻲և󰝴󰞖󰸞󱈯󰸳Lj󱆌󰫧󱆩󰺕󱌴󰚺󰳡Ը󰹉󱋓󱂑󰡽󰚪󰩺󰻏󰨸󰠲󱂑󰡽Lj󰵐ԍ󱊤󰹉󱋓󱂑󰡽󱇺󰫗󰰇󰱆󰹼󰷇ă

Ն󰯨󰺕󱌴󱂑󰡽󱇑󰰇󰱆󱂑󰡽󰦍󰛠ă󰛉󰭟ӱ󱁎󰜔󰬇󰖨󰸉󰚦󱌽󱁍󱆌󰚓Ե󰙏󰘽󱊱ă󱊄󱄣󱍔󱆶󱋺󱇀󰦇󰚯󰛉󰭟ӱ󰸉󰚦󰪍󰽚󱁳󱆌ă󰾲󰙼󱁍󰤰󰺍󱈞󰰣󰴮󰩂󰪠󰹟󱍌󰥅󱃋󱈵Lj󰚍󱊄󱋖󰤰󰺍󰜔󱇀󰺡󰯬󰛉󰭟ӱ󰿄Ղ󱌺󰹟󰩗󱂜ă󰖑󱆩󱊄󱋖󰤰󰺍󰹉Lj󰛉󰭟ӱ󰚦󱇮󰥲󰖨󱌆󱆩󱇀󰦥󰚺󰖫Lj󱂑󰡽󱌽󱁍󱈶ք󰸢󱈞󰡰󰦥󰖨ă

󰹑󱆩󰟛󰝴Ր󰭲ADC󰹉Lj󰬆󰡻󰚦󰶁󱳘󰹆󰝴󱋘󱄲ă󱆌󰥽10 μF󱮳󰛉󰶹󱇑0.1 μF󰼩󰙍󰛉󰶹ժ󰫴Lj󰥽AVDD󰶁󱳘󰚟GNDă󰽞󰹉󱆌󰥽10 μF󱮳󰛉󰶹󱇑0.1 μF󰼩󰙍󰛉󰶹ժ󰫴Lj󰥽DVDD󰶁󱳘󰚟󱀣󰽥󰚦DGND󰖫Ǘ󱊄󰹉Lj󱀣󰽥AGND󰚟DGND󰚦󰫶󰦥󱆌󰩍󰧎AD7792/AD7793ă

󰾺󰹑󱊄󱁵󰶁󱳘󱇮󰥲󰝀󰣩󰴄󱍌󰥅󱂠󰱀Lj󱆌󰥽󰴄󰧑󰩗󰱀󰩍󰧎󰴗󰥲Lj󱍌󰡻󰥽󰴄󰧆󰽍󰴗󰥲ă󱆌󰫧󱆩0.1 μF󰼩󰙍󰛉󰶹󰥽󰻯󱆶󰮇󰤡󱂊󰳌󰶁󱳘󰚟DGNDă

Rev. B | Page 27 of 32

AD7792/AD7793

󱆌󱆩󱂑󱀐!

AD7792/AD7793󰨩󰾺󰚯󰗯ԨĂ󰟛󰝴Ր󰭲󰰇󰺕󱌈󰣑󰴗ă󰰇󰺕󱌈󰣑󰠀󰱀󱆯Σ-Δ󰦳󰠓󰼵󰠃Lj󱅺󰙏󰴗󰥲󰚦󰩇󱈯󰱀󰫰󰢔󰴽Lj󰝥󰗉󰹢󰢇󰘯󰟌󰴗󰖪󰬉Ă󰟾󱄽󰢅󰡗󰗲󰩦󱋆󱆌󱆩ă

󰚦󱈯󰸳󱆖󱁚ă󰚓󱅏՗󰝣󰙷󰴗󰩗󱆩󰹉LjAD7792/AD7793󰚦󰠌󰰇󰛉󱃣󰝔󰾷󰥽󰻫󱁭ă󱅺󰙏Lj󰳋󱋃󰛉󱃣󰸴󰗯󰴗󰩗󰼵󰠃󰠌󰰇󰛉󱃣Lj󱅜Ս󰥽󰶤󰛉󰱾󰸴󰗯󰚦󰛉󱃣󰚦󱍌󰟛󰳋󱃣󱊵󰙳󰚟AVDD/2ă 󰽚󰡗󰽮󱋐󰚦󰶤󰯺󰛉󱍆󰱀󰠕󰹍󱁄󱞼󰜋ց󰗋ă󰳌󰰾󰤘󰫤󰛉󰭁󰾺󰞿󰶤󰯺󰛉󱍆󰼵󰠃󰤘󰫤ă󰙏󰾔Lj󱞼󰜋󰖪󰬉󰚦󰤏󱌚󰛉󱃣󰪠󱌲󱅃󰟲󱇑󰞿󰶤󰯺󰛉󱍆󰘲󰫴󰚦󰧛󰯢󰛉󱍆ă󱆯󰙏󰩗󰹍󱁄Բ󰭲󰹕󰖪󰬉Lj󱈞󰙏󰵧󰪄󱀰Lj󰤘󰫤󰛉󰭁󰚦հ󰛯փ󰣷󰜔󰖪󰬉󰗂󰸴󱆖󱁚(󰖪󰬉󰦳󰡕󰹟󰧛󰯢󰖖󰩊󰛉󱍆󱊵󱇑󰶤󰯺󰛉󱍆󱊵󰚦Բ󱊵)ă

󰫧󱆩󰶤󰛉󰱾󰖪󰬉󰿒󰜈

󰽮20󰹟󱅃󰟲󰶤󰛉󰱾󱇑AD7792/AD7793󰫶󰦥󰚦󰹖󱅪󰽮ă󱈞󰶤󰛉󰱾󱆌󱆩󱋐Lj󱆯󰶤󰛉󰱾󰗂󰸴󰚦󰛉󱃣󰚦󰖪󰬉󱊵󱇑󰨨󰜔󰤏󱌚󰛉󱃣󱊵󰗰Բ󰫩Վ󰣅Ǘ󱅺󰙏Lj󰰾և󰤏󱌚󰛉󱃣󰩗󱆩󱇀󰞿󱌈󰣑ă󱞼󰜋󰖪󰬉󱂴󱄲󰫧󱆩Բ󰭲󰹕󰲦󱋃Ǘ󱅺󰙏Lj󱂴󱄲󰫧󱆩󰾔և󰤏󱌚󰛉󱃣󱇸ă

󱆯󱇀󰪠󱌲󰶤󰛉󰱾󰚦󱂑󰡽󰢔󰷑LjAD7792/AD7793󰰾󱋃󱅏՗󰝣󰙷󰴗󰥽󰝣󰙷󰞿󱂑󰡽ă󱆯󱇀󰹼󰷇󰽚󰚢󰨏󱆶󰣐󰘋󰠀󰱀Lj󰩗󰥽󰙷󰶁󱳘󰛉󰶹󱋃󱇀󰴮󰜋Lj󱅜Ս󱇀󱁩󰘣󰩗󰱀󰘜󱁄󱈞󰶤󰛉󰱾󱆅󰦗󰸉

GNDVBIASTHERMOCOUPLEJUNCTIONRRCAIN2(+)AIN2(–)REFIN(+)RREFREFIN(–)IOUT2GNDAVDDMUXBUFAVDDREFIN(+)REFIN(–)BAND GAPREFERENCEAVDDAIN1(+)AIN1(–)GNDDOUT/RDYDINSCLKCSDVDDIN-AMPΣ-ΔADCSERIALINTERFACEANDCONTROLLOGICINTERNALCLOCKAD7792/AD779304855-012CLK

󰽮 20. 󰫧󱆩AD7792/AD7793󰧊󱂜󰶤󰛉󰱾󰖪󰬉

Rev. B | Page 28 of 32

AD7792/AD7793

󰫧󱆩RTD󰖪󰬉󰿒󰜈

󰾺󰙳󰚟󱍌󰥅󰷙󱁍󰹕RTD󰲦󱋃Lj󱂴󱄲󱆩󰚟󰬇󰟲󰾜󰶇󰳅󰲦󰚦󰛉󰭁󱇸ăAD7792/AD7793󰨏Ԣ󰬇󰟲󰳅󰲦󰬆󰡻󰚦󰛉󰭁󱇸Lj󱅺󰙏Lj󰻲󰝥󰗉󰹢󱆩󱇀󰸉󰺎󱆌󱆩ă󰽮21󱁂󰹖󰘜󱅃󰟲󰷙󱁍󰹕󰲦󱋃ă󱈞󰞿󰲦󱋃󱋐Lj󰷃󰡕󱊻󰹑󱆩󱅃󰭟󰛉󰭁Lj󱆅󱁍󰛉󱍆󰥽󰗂󰸴󱀃󰖶Lj󱆯󱇀󰤘󰫤󰛉󰭁󰭁󰧝RL1Lj󰥽󱈞AIN1(+)󱆅󰦗󰢅AIN1(–)󱆅󰦗󱊮󰥘󰗂󰸴󰛉󱃣󱀃󰖶ă󱈞󰻯󰯮󰺎󰚦󰝛ӄ󱋐Lj󰚼󰜾󰟲RTD󰛉󰭁󱇸󱆩󱇀ց󰗋󱅺󰤘󰫤󰛉󰭁󰭁󰧝RL1󰻯󰗂󰸴󰚦󱀃󰖶ă󰶗󰢫Lj󰚼󰜾󰟲RTD󰛉󰭁󰭁󰧝RL2ă󰥍󰸢RL1󰢅RL2󱁎󰚪)󰟳󱆅

󰦗󰻯󱆩󰖌󰬙󰤤󰗊󰜈󰨩󱆌󱁎󰽞DžLjIOUT1󱇑IOUT2󰳅󰲦LjRL2󰚦󱀃󰖶󰛉󱃣󱇑RL1󰚦󱀃󰖶󰛉󱃣󱁎󰚪Lj󰵐AIN1(+)󱆅󰦗󱇑AIN1(–)󱆅󰦗󱊮󰥘󰿮󱀃󰖶󰛉󱃣ăRL3󰸉󰥽󰗂󰸴󰬇Ԡ󰛉󱃣Lj󱆯󱇀󰻯󰗂󰸴󰚦󰛉󱃣󰾺󰠌󰰇󰛉󱃣Lj󱅺󰙏Ljփ󰙪󱈞󰛉󱃣󱀃󰖶ă󰫧󱆩󰸉󰺎󰳅󰲦󰛉󰭁󱇸󱊮󱅃Lj󱄺󰩗󱅜󰾺AD7792/AD7793󰼵󰠃󰤏󱌚󰛉󱃣ă󰻲󰚦󰗂󰸴󱂴󱄲󱆩󰚟󱅃󰟲󰧛󰯢󰛉󱍆󰵐󰹢󱆩󱇀ADC󰚦󰖶󰝴󰤏󱌚󰛉󱃣󱆅󰦗ă󱊄󱅃󰝛ӄ󰩗󱅜󰶓ԍ󰰇󰱆󰛉󱃣󰹼󰷇󰝔󰾷󰟵󰨍󰤏󱌚󰛉󱃣󰗰Բ󰫩Վ󰣅ă󰤏󱌚󰛉󱃣󰚦Վ󰣅󰩗ց󰗋󰶪󰢆󱅺󰤘󰫤󰛉󰭁󰚦󰿒󰳎󰜸󰚞󱋂󰚦󰰇󰱆󰹼󰷇󰛉󱃣󱀃󰖶ă

GNDAVDDREFIN(+)REFIN(–)IOUT1RL1RTDRL2RL3RREFREFIN(–)AIN1(+)AIN1(–)IOUT2REFIN(+)BUFIN-AMPΣ-ΔADCBAND GAPREFERENCEAVDDGNDDOUT/RDYDINSCLKCSDVDD04855-013SERIALINTERFACEANDCONTROLLOGICGNDINTERNALCLOCKCLKAD7792/AD7793

󰽮21. 󰫧󱆩AD7792/AD7793󰚦RTD󱆌󱆩Rev. B | Page 29 of 32

AD7792/AD7793

󰾔󱂚󰘅󰙫

5.105.004.901694.504.404.30186.40BSCPIN 10.150.050.65BSC0.300.19COPLANARITY0.101.20MAX0.200.09SEATINGPLANE8°0°0.750.600.45COMPLIANT TO JEDEC STANDARDS MO-153-AB

󰽮22. 16󱆅󰦗󰗒ԋ󰧆󰻫󱁭󱂙󰞀󱌎[TSSOP](RU-16)󰘅󰙫󰚇󰿋ǖmm󰛩󰠔󱊸󰰳

󱂙󰡽!󰿒󰜈󰝔󰾷!

AD7792BRU –40°C 󱋁 +105°C

AD7792BRU-REEL –40°C 󱋁 +105°C AD7792BRUZ1–40°C 󱋁 +105°C

1

AD7792BRUZ-REEL–40°C 󱋁 +105°C

AD7793BRU –40°C 󱋁 +105°C AD7793BRU-REEL –40°C󱋁 +105°C AD7793BRUZ1–40°C 󱋁 +105°C AD7793BRUZ-REEL1–40°C 󱋁 +105°C

1

EVAL-AD7792EBZ EVAL-AD7793EBZ1

1

󰞀󱌎󰯮󰺎!

16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 16󱆅󰦗TSSOP󰞀󱌎 󰳠󰠚ӱ 󰳠󰠚ӱ 󰞀󱌎󱃋󱁜!!RU-16 RU-16 RU-16 RU-16 RU-16 RU-16 RU-16 RU-16

Z = 󰞙󰢇RoHSՔ󱌚󰚦󰥚󰶹󰴗󰥲ă

Rev. B | Page 30 of 32

AD7792/AD7793

󱌀󰹥

Rev. B | Page 31 of 32

AD7792/AD7793

󱌀󰹥

©2004–2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04855-0-3/07(B)

Rev. B | Page 32 of 32