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AD7682

STM32F407

AD7689

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ADIዐ࿔Ӳຕ๮֩๟ᆈ࿔Ӳຕ๮֩ڦᅳ࿔ǈ৤൩ଌ঴݋ᅳዐీ٪ሞڦᇕჾፇኯ݋ᅳٱဃǈADIփܔ݋ᅳዐ٪ሞڦֶᅴᆯׂُิڦٱဃ޶ሴăසႴඓණඪࢆَᇕڦጚඓႠǈ൩֖ADI༵ࠃ

ڦፌႎᆈ࿔Ӳຕ๮֩ă

AD7682/AD7689

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. Specications 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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700 www.analog.com

ࠀీ઀཮

AD7689

REF

GND

VDD

VIO

DIN

SCK

SDO

CNV

1.8V

VDD

2.3V TO 5.5

SEQUENCER

SPI SERIAL

INTERFACE

MUX

16-BIT SAR

ADC

BAND GAP

REF

TEMP

SENSOR

REFIN

IN0

IN1

IN4

IN5

IN6

IN7

IN3

IN2

COM

0.5V TO VDD

10μF

ONE-POLE

LPF

0.5V TO VDD – 0.5V

0.1μF

07353-001

՗1. ܠཚڢ14/16࿋PulSAR® ADC

ૌ႙ ཚڢຕ 250 kSPS 500 kSPS ADCൻۯഗ

14-Bit 8 AD7949 ADA4841-x

16-Bit 4 AD7682 ADA4841-x

16-Bit 8 AD7689

AD7699 ADA4841-x

16࿋Ă4/8ཚڢ

250 kPSP PulSAR ADC

༬Ⴀ

16࿋ݴՐ୲Ă࿮฿ஓ

4ཚڢ(AD7682)/8ཚڢ(AD7689)ܠୟްᆩഗ

! ჋ስ๼෇

! ڇႠڇ܋๼෇

! ֶݴ๼෇)๑ᆩ֖ں*

! ࿁ມႠ๼෇

ཾུ໏୲ǖ250 kSPS

INLǖۆ႙ኵ±0.4 LSBǈፌٷኵ±1.5 LSB)±23 ppmFSR*

ۯༀݔྷǖ93.8 dB

SINADǖ92.5 dB (20 kHz)

THDǖ−100 dB(20 kHz)

ఇె๼෇ݔྷǖ0 V዁VREFǈV

REF

ٳV

ܠዖጚᇸૌ႙

! ాև჋ስڦ2.5 V4.096 Vጚᇸ

! ྔև࣐؋ጚᇸ)ٳ4.096 V*

! ྔևጚᇸ)ٳV

ాև࿒܈دߌഗ(TEMP)

ཚڢႾଚഗǈ჋ስڦ1ۅ୳հഗǈݏ஬ኸ๖ഗ

࿮ୁ຤၍ჽ׿ǈSARࠓ

ڇۉᇸ߾ፕǖ2.3 V዁5.5 Vǈஇথۉუǖ1.8 V዁5.5 V

زႜথǈඹSPIĂMICROWIREĂQSPIࢅDSP

ࠀࡼ

3.5 mW(2.5 V/200 kSPS)

12.5 mW(5 V/250 kSPS)

ځۉୁǖ50 nA

༵ࠃگׯԨڪׂ೗

20ᆅগ4 mm × 4 mm LFCSPހጎ

ᆌᆩ

ܠཚڢဣཥ

ۉ׾ࠃۉยԢ

ᅅଐᅏഗǖECG/EKG

ᅎۯཚ႑ǖGPS

ۉ૰၍

ຕ֑

ںኒຕ֑ဣཥ

ᅏഗᅏ՗

ࡗײ዆

߁ຎ!

AD7682/AD7689๟4/8ཚڢĂ16࿋Ăۉࢁምݴದደْ԰ৎ

٪ഗ(SAR)႙ఇຕገ࣑ഗ(ADC)ǈ֑ᆩڇۉᇸVDDࠃۉă

AD7682/AD7689ᆛᆶܠཚڢĂگࠀࡼຕ֑ဣཥ໯Ⴔڦ

໯ᆶፇׯևݴǈԈઔǖ࿮฿ஓڦኈ16࿋SAR ADCǗᆩᇀ

๼෇ದዃྺڇ܋๼෇)๑ᆩփ๑ᆩ֖ں*Ăֶݴ๼෇

ມႠ๼෇ڦ4ཚڢ(AD7682)8ཚڢ(AD7689)گزඡܠୟ

ްᆩഗǗాևگ೏ᅎጚᇸ)ᅜ჋ስ2.5 V4.096 V*ࢅ࣐

؋ഗǗ࿒܈دߌഗǗ჋ስڦڇۅ୳հഗǗᅜړܠཚ

ڢᅈْ૶Ⴤ֑ᄣ้ݥ׉ᆶᆩڦႾଚഗă

AD7682/AD7689๑ᆩڇڦSPIথํ၄ದዃ٪ഗڦႀ

෇ࢅገ࣑঳ࡕڦথ๭ăSPIথ๑ᆩڇ܀ڦۉᇸ(VIO)ǈ໲

ԥยۨྺዷஇۉೝăࠀࡼᇑཾུ໏୲ׯኟԲă

AD7682/AD7689֑ᆩၭ႙20ᆅগLFCSPހጎǈ߾ፕ࿒܈ݔ

ྷྺ−40°C዁+85°Că

཮2/!



Rev. B | Page 2 of 32

ణ୤!

Ⴊ۩૦๏!

2009౎6ሆ—Ⴊ۩ӲA዁Ⴊ۩ӲB

2009౎3ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA

2008౎5ሆ—Ⴊ۩Ӳ0ǖ؛๔Ӳ

߸߀“༬Ⴀ”ևݴĂ“ᆌᆩ”ևݴࢅ཮1 .......................................... 1

ሺ՗2ǗዘႎಇႾ ...................................................................... 3

VREF߸߀ྺV

REF

............................................................................. 4

߸߀՗3 ............................................................................................ 5

߸߀՗4 ........................................................................................... 6

߸߀՗5 ............................................................................................ 7

෸أ՗6ڦ࿂ጀ2 ............................................................................. 8

߸߀཮4Ă཮5ࢅ՗7 ....................................................................... 9

߸߀཮6Ă཮9ࢅ཮10 ................................................................... 11

߸߀཮22 ......................................................................................... 13

߸߀“߁ຎ”ևݴࢅ“ገ࣑ഗ֡ፕ”ևݴ ...................................... 15

߸߀՗8 ........................................................................................... 16

߸߀཮26ࢅ཮27 ............................................................................ 17

߸߀“ມႠڇۉᇸ”ևݴࢅ“ఇె๼෇”ևݴ ........................ 18

߸߀“ాևጚۉუᇸ/࿒܈دߌഗ”ևݴ ............................... 20

߸߀՗6 ................................................................... 8

߸߀཮37 ................................................................... 25

߸߀཮38 ................................................................... 26

༬Ⴀ ................................................................................................... 1

ᆌᆩ ................................................................................................... 1

ࠀీ઀཮ ........................................................................................... 1

߁ຎ ................................................................................................... 1

Ⴊ۩૦๏ ........................................................................................... 2

ຍࡀ߭ ........................................................................................... 3

! ้Ⴞࡀ߭ .................................................................................. 6

ܔፌٷܮۨኵ ............................................................................. 8

ESDয়ߢ .................................................................................. 8

ᆅগದዃࢅࠀీ௮ຎ ..................................................................... 9

ۆ႙߾ፕ༬Ⴀ ................................................................................ 11

ຍᇕ ................................................................................................. 14

߾ፕᇱ૙ ....................................................................................... 15

!߁ຎ ........................................................................................ 15

! ገ࣑ഗ֡ፕ ........................................................................... 15

! دڿࡧຕ ................................................................................ 16

! ۆ႙૶থ཮ ............................................................................ 17

! ఇె๼෇

................................................................................ 18

! ൻۯݣٷഗ჋ስ ................................................................... 20

! ጚۉუ๼/๼෇ ............................................................ 20

!ۉᇸ ........................................................................................ 22

! ٗጚᇸྺADCࠃۉ ........................................................ 22

ຕጴথ ........................................................................................ 23

! ገ࣑೺܁ൽ/ႀ෇ǈ໏ዷ ....................................... 23

! ገ࣑ࢫ܁ൽ/ႀ෇ǈඪࢆ໏܈ڦዷ .............................. 23

! ገ࣑ඇײ܁ൽ/ႀ෇ǈඪࢆ໏܈ڦዷ .......................... 23

! ದዃ٪ഗǈCFG .............................................................. 23

! ࿮ݏ஬ኸ๖ഗڦཚᆩ้Ⴞ ................................................ 25

! ࡤݏ஬ኸ๖ഗڦཚᆩ้Ⴞ ................................................ 26

! ཚڢႾଚഗ ........................................................................... 27

! ࿮ݏ஬ኸ๖ഗڦገ࣑ඇײ܁ൽ/ႀ෇ .............................. 28

! ࡤݏ஬ኸ๖ഗڦገ࣑ඇײ܁ൽ/ႀ෇ .............................. 29

ᆌᆩႷኪ ........................................................................................ 30

! քք၍ ............................................................................... 30

AD7682/AD7689Ⴀీೠࠚ ................................................. 30

ྔႚ؅٫ ........................................................................................ 31

! ۩ࠔኸళ ................................................................................ 31

ሺ཮31ǗዘႎಇႾ .................................................................. 20

߸߀“ྔևጚۉუᇸࢅాև࣐؋ഗ”ևݴ“ྔևጚۉუ

ᇸ”ևݴ ........................................................................................... 21

ሺ཮32ࢅ཮33 ............................................................................ 21

߸߀“ۉᇸ”ևݴ ............................................................................ 22

߸߀“ຕጴথ”ևݴĂ“ገ࣑ࢫ܁ൽ/ႀ෇ǈඪࢆ໏܈ڦዷ

”ևݴࢅ“ದዃ٪ഗǈCFG”ևݴ ....................................... 23

߸߀՗10 ......................................................................................... 24

ሺ“࿮ݏ஬ኸ๖ഗڦཚᆩ้Ⴞ

”ևݴࢅ཮37 ...................... 25

ሺ“ࡤݏ஬ኸ๖ഗڦཚᆩ้Ⴞ”ևݴࢅ཮38 ....................... 26

ሺ“ཚڢႾଚഗ”ևݴࢅ཮39 ................................................. 27

߸߀“ ࿮ݏ஬ኸ๖ഗڦገ࣑ඇײ܁ൽ/ ႀ෇”

ևݴࢅ཮41 ................................................................................... 28

߸߀“ ࡤ࿮ݏ஬ኸ๖ഗڦገ࣑ඇײ܁ൽ/ ႀ෇”

ևݴࢅ཮43 ................................................................................... 29

߸߀“AD7682/AD7689Ⴀీೠࠚ”ևݴ ..................................... 30

“ྔႚ؅٫”ևݴዐሺ஋୞ࡰಎጀ๥ ..................................... 31

߸߀۩ࠔኸళ ................................................................................ 31

AD7682/AD7689

 AD7682/AD7689

Rev. B | Page 3 of 32

՗2

֖ຕ! ཉ0ጀ๥!

AD7689A AD7682B/AD7689B

ڇ࿋ፌၭኵ! ۆ႙ኵ! ፌٷኵ ፌၭኵ! ۆ႙ኵ! ፌٷኵ

RESOLUTION 16 16 Bits

0 +V

REF

0 +V

REF

−V

REF

/2 +V

REF

/2 −V

REF

/2 +V

REF

−0.1 V

REF

+ 0.1 −0.1 V

REF

+ 0.1 V

−0.1 +0.1 −0.1 +0.1 V

REF

/2 − 0.1 V

REF

/2 V

REF

/2 + 0.1 V

REF

/2 − 0.

REF

/2 V

REF

/2 + 0.1 V

68 68 dB

1 1 nA

VDD = 4.5 V ዁ 5.5 V 0 250 0 250 kSPS

VDD = 2.3 V ዁ 4.5 V 0 200 0 200 kSPS

VDD = 4.5 V ዁ 5.5 V 0 62.5 0 62.5 kSPS

VDD = 2.3 V ዁ 4.5 V 0 50 0 50 kSPS

1.8 1.8

14.5 14.5

15 16 Bits

−4 +4 −1.5 ±0.4 +1.5 LSB

−1 ±0.25 +1.5 LSB

REF = VDD = 5 V 0.6 0.5 LSB

−32 +32 −8 ±1 +8 LSB

±2 −4 ±0.5 +4 LSB

±1 ±1 ppm/°C

VDD = 4.5 V ዁ 5.5 V −32 +32 −8 ±1 +8 LSB

VDD = 2.3 V ዁ 4.5 V ±32 ±5 LSB

±2 −4 ±0.5 +4 LSB

±1 ±1 ppm/°C

VDD = 5 V ± 5% ±1.5 ±1.5 LSB

90.5 93.8 dB

= 20 kHz, V

REF

= 5 V 90 92.5 93.5 dB

= 20 kHz, V

REF

= 4.096 V,

ాև REF

89 91 92.3 dB

= 20 kHz, V

REF

= 2.5 V,

ాև REF

86 87.5 88.8 dB

= 20 kHz, V

REF

= 5 V 89 91 92.5 dB

= 20 kHz, V

REF

= 5 V,

−60 dB

๼෇

30.5 33.5 dB

= 20 kHz, V

REF

= 4.096 V

ాև　REF

88 90 91 dB

= 20 kHz, V

REF

= 2.5 V

ాև REF

86 87 88.4 dB

ຍࡀ߭!

أݥଷᆶຫ௽ǈVDD = 2.3 V዁5.5 VǈVIO = 1.8 V዁VDDǈV

REF

= VDDǈ໯ᆶࡀ߭၎ܔᇀT

MIN

዁T

MAX

ܸჾă

ఇె๼෇

! ۉუݔྷ

! ܔ๼෇ۉუ

! ఇె๼෇CMRR

25°C้୑ۉୁ

! ๼෇ፆ

ཾུ໏୲

! ገ࣑໏୲

! ! ඇټ

¼ټ

! ຨༀၚᆌ

৛܈

࿮฿ஓ

ݴݥ၍Ⴀဃֶ

ྲݴݥ၍Ⴀဃֶ

ሂദሯำ

ሺᅮဃֶ

ሺᅮဃֶ೅ದ

ሺᅮဃֶ࿒೏

฿ۙဃֶ

฿ۙဃֶ೅ದ

฿ۙဃֶ࿒೏

ۉᇸଳ௺܈

঍ୁ৛܈

ۯༀݔྷ

႑ሯԲ

SINAD

ڇႠఇ๕

ມႠఇ๕

= 250 kHz

֑঩܎

ኟ๼෇ǈڇႠࢅ

ມႠఇ๕

޶COM๼෇,ڇႠఇ๕

޶COM๼෇,ມႠఇ๕

஢ଉײ঩ሂǈඇټ!

஢ଉײ঩ሂǈ¼ټ!

AD7682/AD7689 

Rev. B | Page 4 of 32

AD7689A AD7682B/AD7689B

= 20 kHz −97 −100 dB

= 20 kHz 105 110 dB

= 100 kHz

ତڢ

−120 −125 dB

1.7 1.7 MHz

0.425 0.425 MHz

2.5 2.5 ns

֖ຕ! ཉ0ጀ๥! ڇ࿋ፌၭኵ! ۆ႙ኵ! ፌٷኵ ፌၭኵ! ۆ႙ኵ! ፌٷኵ

ጺၿհ฿ኈ(THD)

࿮ሗොۯༀݔྷ

ཚڢزඡ

֑ᄣۯༀႠీ

-3 dB๼෇ټ

! ০ჽ׿

ඇټ

¼ټ

VDD = 5 V

֖“ఇె๼෇”ևݴ

ټሞದዃ٪ഗዐยዃă

LSB՗๖ፌگᆶၳ࿋ă5 V๼෇ݔྷ้ǈ1 LSB = 76.3 Vă

֖“ຍᇕ”ևݴăኄၵࡀ߭Ԉઔኝ߲࿒܈ݔྷాڦհۯǈڍփԈઔྔևጚۉუڦဃֶࠋ၅ă

أݥଷᆶຫ௽ǈVDD = 5 Vă

أݥଷᆶຫ௽ǈ໯ᆶᆩݴԞ(dB)՗๖ڦࡀ߭֖஢ଉײ๼෇FSRǈժᆩگᇀ஢ଉײ0.5 dBڦ๼෇႑ࡽ৊ႜ֪๬ă



Rev. B | Page 5 of 32

՗3

֖ຕ! ཉ0ጀ๥!

໯ᆶ႙ࡽ/ڪ

ڇ࿋!ፌၭኵ! ۆ႙ኵ ፌٷኵ

2.5 V, @ 25°C 2.490 2.500 2.510 V

4.096 V, @ 25°C 4.086 4.096 4.106 V

2.5 V, @ 25°C 1.2 V

4.096 V, @ 25°C 2.3 V

±300 µA

±10 ppm/°C

VDD = 5 V ± 5% ±15 ppm/V

1000 ၭ้! 50 ppm

REF

= 10 µF 5 ms

REF ๼෇! 0.5 VDD + 0.3 V

REFIN ๼෇)࣐؋*! 0.5 VDD − 0.5 V

250 kSPS, REF = 5 V 50 µA

@ 25°C 283 mV

1 mV/°C

−0.3 +0.3 × VIO V

0.7 × VIO VIO + 0.3 V

−1 +1 µA

SINK

= +500 µA 0.4 V

SOURCE

= −500 µA VIO − 0.3 V

2.3 5.5 V

1.8 VDD + 0.3 V

50 nA

1.7 µW

3.5 mW

12.5 18 mW

15.5 21 mW

60 nJ

MIN

዁ T

MAX

−40 +85 °C

AD7682/AD7689

أݥଷᆶຫ௽ǈVDD = 2.3 V዁5.5 VǈVIO = 1.8 V዁VDDǈV

REF

= VDDǈ໯ᆶࡀ߭၎ܔᇀT

MIN

዁T

MAX

ܸჾă

ాևጚۉუᇸ

REF๼ۉუ

REFIN๼ۉუ

REF๼ۉୁ

! ࿒܈೏ᅎ

! ๼෇ۉუۙኝ୲

! ׊೺೏ᅎ

! ഔ૬้

ྔևጚۉუᇸ

! ۉუݔྷ

! ୑ۉୁ

࿒܈دߌഗ

๼ۉუ

࿒܈ଳ௺܈

ຕጴ๼

! ຕ߭๕

! ୁ຤၍ჽ׿

ۉᇸ

VDD

VIO

! ځۉୁ

6,7

!ࠀࡼ

! ௅ْገ࣑ڦీଉ

ܮۨႠీ

VDDࢅVIO = 5 Vǈ25°C

VDD = 2.5 Vǈ100 SPSཾུ໏୲

VDD = 2.5 Vǈ200 kSPSཾུ໏୲

VDD = 5 Vǈ250 kSPSཾུ໏୲

VDD = 5 Vǈ250 kSPSཾུ໏୲ǈాևጚᇸ

VDD = 5V

࿒܈ݔྷ

ܮۨႠీ

ຕጴ๼෇

! இۉೝ

ాևټဤጚۉუᇸڦ๼ă

ೝۉୁǈᇑཾུ໏୲ׯኟԲă

ాև๼ۉუǈ၄ሞጆᆩܠୟްᆩഗ๼෇ă

ڇႠఇ๕ǖزႜ16࿋኱থܾ৊዆ă

! ມႠఇ๕ǖزႜ16࿋ܾ৊዆ցஓă

ገ࣑ྜׯࢫገ࣑঳ࡕ૬ᆩă

ߵႴᄲǈ໯ᆶຕጴ๼෇ഽ዆থVIOGNDă

ሞ֑঩܎ă

߸࿒܈ݔྷ൩૴ဣADIࠅິၨ๳پ՗ă

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ad7682.rar

AD7682.rar_ AD7682_AD7682 source code_ad76_ad7682 spi_ad7689

AdExplorer.rar

旗舰版AD7606模块.rar 旗舰版AD7606模块.rar

基于stm32L0系列的AD7682驱动程序.rar

AD7606B..13.rar

易语言模块AD.rar

AD域netdom.rar

HFSS转AD方法.rar

飞凌ARM AD测试.rar

ad9361.rar资料包

YSF4_HAL_CANopen-010. PDO - AD5689与AD7190.rar

AD9834.rar_STM32F429 标准库_ad9834_ad9834stm32_stm32f429_驱动程序

51单片机光敏电阻AD值.rar

Protues仿真实例-MEGA16-AD模块.rar

AD7689.rar

AD7689BCPZRL 调试demo 到手直接用-DEMO V1.0 AD7689.rar

STM32循迹小车（灰度+OpenMV权重判断）

谭浩强C语言程序设计第五版详细答案

MQTT协议设备客户端与图传APP.zip

基于百度的全文搜索引擎

Keil.STM32H7xx-DFP.3.1.1.pack

基于stm32f407的示波器+FFT频谱分析

C语言求一个正整数的位数

zlib-1.2.13.tar.gz

猴子吃桃问题c语言.猴子吃桃问题c语言

STM32CubeIDE 1.14.0 自动补全代码

mingw64.zip

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