AD7656/AD7657/AD7658中文数据手册

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

༵ࠃڦፌႎᆈ࿔Ӳຕ๮֩ă



AD7656-1/AD7657-1/AD7658-1

Rev. A

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઀཮

DGND

REF

CONVST

CONVST B CONVST C

OUTPUT

DRIVERS

OUTPUT

DRIVERS

OUTPUT

DRIVERS

OUTPUT

DRIVERS

CONTROL

LOGIC

BUF

AGND

T/H

CLK

OSC

SER/PAR SEL

DRIVE

STBY

DB8/DOUT A

DB9/DOUT B

DB10/DOUT C

DB6/SCLK

WR/REF

EN/DIS

DATA/

CONTROL

LINES

AD7656-1/AD7657-1/AD7658-1

16-/14-/

12-BIT SAR

16-/14-/

12-BIT SAR

16-/14-/

12-BIT SAR

16-/14-/

12-BIT SAR

16-/14-/

12-BIT SAR

16-/14-/

12-BIT SAR

07017-001

๴ெࡔጆ૧ڼ6,731,232ࡽԍࢺă

250 kSPSĂୃཚڢĂཞօ֑ᄣĂ

ມႠ16/14/12࿋ADC

༬Ⴀ

ᇑAD7656/AD7657/AD7658ᆅগඹĂ෉ඹǈ

! ඁ᳘ᄲ൱ইگ

6߲܀૬ADC

ኈມႠఇె๼෇

ᆅগ/෉჋ݔྷǖ±10 VĂ±5 V

ߛཾུ໏୲ǖ250 kSPS

iCMOS߾ᅝຍ

گࠀࡼ

140 mWǄ250 kSPSǈ5 Vۉᇸǅ

ߛሯႠీǈټ

႑ሯԲ(SNR)88 dBǄ๼෇ೕ୲10 kHz้ǅ

ೌాጚۉუ࣐؋

ߛ໏ժႜĂزႜࢅࢾ૾থఇ๕

ߛ໏زႜথ

SPI/QSPI™/MICROWIRE™/DSPඹ

ځఇ๕ǖፌٷ315 μW

64ᆅগLQFPހጎ

ᆌᆩ

ۉ૰၍ୟࢅ֪ଉဣཥ

ᅏ՗ࢅ዆ဣཥ

ܠዡۨ࿋ဣཥ

༬Ⴀ

AD7656-1/AD7657-1/AD7658-1

ݴ՚๟AD7656/AD7657/

AD7658ইگඁ᳘ᄲ൱ڦᆅগࢅ෉ඹӲԨǈాዃ6߲

16/14/12࿋Ă໏Ăگࠀࡼደْ԰ৎ႙ADCǈժׯڟᅃ

߲ހጎዐǈ֑ᆩiCMOS®߾ᅝǄ߾ᄽCMOSǅยă

iCMOS๟ᅃዖߛუࡂᇑჱྲ௝CMOSࢻցມႠຍ

၎঳ࢇڦ߾ᅝăཚࡗኄዖ߾ᅝǈ݀ሞ33Vߛუူ߾ፕ

ڦߛႠీఇెICǈഄ༹ႠీԲ๟ᅜྫڦߛუഗ໯࿮݆

ํ၄ڦăᇑ֑ᆩدཥCMOS߾ᅝڦఇెICփཞǈiCMOSፇ

փڍᅜ๼෇ມႠ႑ࡽǈཞ้࣏ీ༵ืႠీǈٷޗই

گࠀࡼժၭހጎ؅٫ă

ෙഗڦཾུ໏୲ߛٳ250 kSPSǈժ൐ాዃگሯำĂ

ټ֑ᄣԍ׼ݣٷഗǈت૙ፌߛ4.5 MHzڦ๼෇ೕ୲ă

ገ࣑ࡗײᇑຕ֑૧ᆩCONVST႑ࡽࢅాևናږഗ৊

ႜ዆ăෙ߲CONVSTᆅগǄCONVST AĂCONVST

BࢅCONVST CǅሎႹෙܔADC܀૬ں৊ႜཞօ֑ᄣă

AD7656-1/AD7657-1/ AD7658-1ᆶᅃ߲ߛ໏ժႜথࢅ

ᅃ߲ߛ໏زႜথǈྺഗᇑྲت૙ഗDSPڦথ૶

থظሰକཉă჋ስزႜথఇ๕้ǈ௅߲ഗۼሎႹ

ܠ߲ADCᅜࢾ૾ႚ๕૶থ዁ڇ߲زႜথăෙഗ

ሞ±4 × V

REF

ݔྷࢅ±2 × V

REF

ݔྷాኧ׼ኈມႠ๼෇

႑ࡽăُྔ࣏ాዃᅃ߲2.5 Vೌాጚۉუᇸă

ׂ೗ঋ

1. ೌాׯ6߲16/14/12࿋250 kSPS ADCă

2. 6߲ኈມႠĂߛፆఇె๼෇ă

3. ߛ໏ժႜࢅزႜথă

4. ᇑAD7656/AD7657/AD7658ഗ၎Բǈইگକඁ᳘ᄲ

൱ࢅ࿿ଙൣڇׯԨă

཮1.

߾ፕᇱ૙ ........................................................................................ 21

! ገ࣑ഗၘ঴ ........................................................................... 21

ADCدڿࡧຕ ...................................................................... 22

!ాև/ྔևጚۉუ ............................................................. 22

! ۆ႙૶থ཮ ........................................................................... 22

! ൻۯఇె๼෇ ....................................................................... 23

! থ჋ၜ ................................................................................ 23

ADC෉჋ስ ...................................................................... 25

! ߸߀ఇె๼෇ݔྷ(H/S SEL = 0) ...................................... 26

! ߸߀ఇె๼෇ݔྷ(H/S SEL = 1) ...................................... 26

! زႜ܁ൽ֡ፕ ....................................................................... 26

! ࢾ૾ఇ๕(DCEN = 1,SER/PAR SEL = 1) ..................... 28

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

! ۉୟӱք ........................................................................... 30

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

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

2009౎3ሆ—Ⴊ۩Ӳ0዁Ⴊ۩ӲA

߸߀༬Ⴀ ........................................................................................... 1

߸߀՗1 ............................................................................................. 3

߸߀՗2 ............................................................................................. 5

߸߀՗3 ............................................................................................. 7

߸߀՗4 ............................................................................................. 9

߸߀ܔፌٷܮۨኵ՗ .............................................................. 10

߸߀ᆅগದዃࢅࠀీ௮ຎ՗ ..................................................... 11

߸߀཮9 ........................................................................................... 14

߸߀ገ࣑ഗၘ঴ևݴ ................................................................... 20

߸߀ాև/ྔևጚۉუևݴ .................................................... 21

߸߀থ჋ၜևݴ ....................................................................... 22

߸߀ժႜথևݴ ....................................................................... 22

߸߀زႜথ(SER/PAR SEL = 1)ևݴ ..................................... 25

߸߀ࢾ૾ఇ๕(DCEN = 1ǈSER/PAR SEL = 1) ................... 27

߸߀քևݴ ................................................................................ 30

߸ႎྔႚ؅٫ ................................................................................ 31

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

Ⴊ۩૦๏

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

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

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

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

ׂ೗ঋ .......................................................................................... 1

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

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

AD7656-1 ................................................................................. 3

AD7657-1 ................................................................................. 5

AD7658-1 ................................................................................. 7

! ้Ⴞࡀ߭ .................................................................................. 9

ܔፌٷܮۨኵ ........................................................................... 10

!ඤፆ ......................................................................................... 10

ESDয়ߢ ................................................................................. 10

ᆅগದዃࢅࠀీ௮ຎ ................................................................... 11

ۆ႙߾ፕ༬Ⴀ ................................................................................ 15

ຍᇕ ................................................................................................. 19

ణ୤

AD7656-1/AD7657-1/AD7658-1



Rev. A | Page 2 of 32

2008౎7ሆ—Ⴊ۩Ӳ0:؛๔Ӳ

 AD7656-1/AD7657-1/AD7658-1

Rev. A | Page 3 of 32

ຍࡀ߭

AD7656-1

՗1

֖ຕ ፌၭኵ ۆ႙ኵ ፌٷኵ ڇ࿋ ֪๬ཉ0ጀ๥

ۯༀႠీ f

= 10 kHz ኟ၀հ

႑భԲ (SINAD)

88 dB

႑ሯԲ (SNR)

88 dB

ጺၿհ฿ኈ (THD)

−90 dB

−105 dB V

= ±5 V ዁ ±16.5 V

ރኵၿհሗොሯำ (SFDR)

−100 dB

঍ۙ฿ኈ (IMD)

fa = 10.5 kHz, fb = 9.5 kHz

ܾ঩ၜ −112 dB

ෙ঩ၜ −107 dB

০ჽ׿ 10 ns

০ჽ׿೅ದ 4 ns

০۶ۯ 35 ps

ཚڢ߰૗

−100 dB ࿄჋ዐཚڢڦf

ߛٳ 100 kHz

ඇࠀ୲ټ 4.5 MHz @ −3 dB

2.2 MHz @ −0.1 dB

኱ୁ৛܈

ݴՐ୲ 16 ࿋

࿮฿ஓ

B  15 ࿋

Y  14 ࿋

ݴݥ၍Ⴀ

±3 LSB

±1 LSB

ኟ஢ଉײဃֶ

±0.8 % FS ۆ႙ኵ!±0.381% FSR

ኟ஢ଉײဃֶ೅ದ

±0.35 % FS

ມႠଭۉೝဃֶ

ۆ႙ኵ!±0.0137% FSR

B  ±0.048 %FS

Y  ±0.048 %FS

ມႠଭۉೝဃֶ೅ದ

±0.038 % FS

޶஢ଉײဃֶ

±0.8 % FS ۆ႙ኵ!±0.381% FSR

޶஢ଉײဃֶ೅ದ

±0.35 % FS

ఇె๼෇ ߳ݔྷڦV

ፌၭኵ՗8ă

๼෇ۉუݔྷ −4 × V

REF

+4 × V

REF

V RNGx ࿋ RANGE ᆅগ = 0

−2 × V

REF

+2 × V

REF

V RNGx ࿋ RANGE ᆅগ = 1

኱ୁႅ୑ۉୁ ±1 μA

๼෇ۉඹ

10 pF ±4 × V

REF

ݔྷǄ֑ᄣ้ǅ

14 pF ±2 × V

REF

ݔྷǄ֑ᄣ้ǅ

ጚۉუ๼෇/๼

ጚ๼෇ۉუݔྷ 2.5 2.5 V

኱ୁႅ୑ۉୁ ±1 μA

๼෇ۉඹ

18.5 pF

REF

EN/

DIS

= 1

ጚ๼ۉუ 2.49 2.51 V

׊೺࿘ۨႠ 150 ppm 1000 ၭ้!!!!!!!!!!!!!

ጚ࿒܈ဣຕ 25 ppm/°C

6 ppm/°C

أݥଷᆶຫ௽ǈV

REF

= 2.5 Vాև/ྔևጚۉუǈAV

= 4.75 V዁5.25 VǈDV

= 4.75 V዁5.25 VǈV

DRIVE

= 2.7 V዁5.25 VǗܔᇀ

±4 ×V

REF

ݔྷǈV

= 10 V዁16.5 VǈV

= −10 V዁−16.5 VǗܔᇀ±2 ×VREFݔྷǈV

= 5 V዁16.5 VǈV

= −5 V዁−16.5 VǗ

SAMPLE

= 250 kSPSǈT

= T

MIN

዁T

MAX

֖ຕ ፌၭኵ ۆ႙ኵ ፌٷኵ ڇ࿋ ֪๬ཉ0ጀ๥

أݥଷᆶຫ௽ǈV

REF

= 2.5 Vాև/ྔևጚۉუǈAV

= 4.75 V዁5.25 VǈDV

= 4.75 V዁5.25 VǈV

DRIVE

= 2.7 V዁5.25 VǗܔᇀ

±4 × V

REF

ݔྷǈV

= 10 V዁16.5 VǈV

= −10 V዁−16.5 VǗܔᇀ±2 × V

REF

ݔྷǈV

= 5 V዁16.5 VǈV

= −5 V዁−16.5 VǗ

fSAMPLE = 250 kSPSǈT

= T

MIN

዁T

MAX

 AD7656-1/AD7657-1/AD7658-1

Rev. A | Page 5 of 32

AD7657-1

՗2

ۯༀႠీ f

= 10 kHz ኟ၀հ

႑భԲ(SINAD)

82.5 dB

႑ሯԲ (SNR)

83.5 dB

ጺၿհ฿ኈ (THD)

−90 dB

−105 dB

ރኵၿհሗොሯำ (SFDR)

−100 dB

঍ۙ฿ኈ (IMD)

fa = 10.5 kHz, fb = 9.5 kHz

ܾ঩ၜ −109 dB

ෙ঩ၜ −104 dB

০ჽ׿ 10 ns

০ჽ׿೅ದ 4 ns

০۶ۯ 35 ps

ཚڢ߰૗ −100 dB ࿄჋ዐཚڢڦf

ߛٳ100 kHz

ඇࠀ୲ټ

4.5 MHz @ −3 dB

2.2 MHz @ −0.1 dB

኱ୁ৛܈

ݴՐ୲ 14 ࿋

࿮฿ஓ 14 ࿋

ݴݥ၍Ⴀ

±1 LSB

±1

ኟ஢ଉײဃֶ

±0.95 % FS ۆ႙ኵ!±0.27% FSR

ኟ஢ଉײဃֶ೅ದ

±0.366 % FS

ມႠଭۉೝဃֶ

±0.04 % FS ۆ႙ኵ!±0.016% FSR

ມႠଭۉೝဃֶ೅ದ

±0.0427 % FS

޶஢ଉײဃֶ

±0.95 % FS ۆ႙ኵ!±0.27% FSR

޶஢ଉײဃֶ೅ದ

±0.366 % FS

ఇె๼෇ ߳ݔྷڦV

ፌၭኵ՗8

๼෇ۉუݔྷ −4 × V

REF

+4 × V

REF

V RNGx ࿋ RANGE ᆅগ = 0

−2 × V

REF

+2 × V

REF

V RNGx ࿋ RANGE ᆅগ = 1

኱ୁႅ୑ۉୁ ±1 μA

๼෇ۉඹ

10 pF ±4 × V

REF

ݔྷ!)֑ᄣ้*

14 pF ±2 × V

REF

ݔྷ!)֑ᄣ้*

ጚۉუ๼෇/๼

ጚ๼෇ۉუݔྷ 2.5 2.5 V

኱ୁႅ୑ۉୁ ±1 μA

๼෇ۉඹ

18.5 pF

REF

EN/

DIS

= 1

ጚ๼ۉუ 2.49 2.51 V

׊೺࿘ۨႠ 150 ppm 1000 ၭ้

ጚ࿒܈ဣຕ 25 ppm/°C

6 ppm/°C

இ๼෇

๼෇ߛۉუ (VINH) 0.7 × V

DRIVE

๼෇گۉუ (VINL) 0.3 × V

DRIVE

๼෇ۉୁ (IIN) ±10 μA ۆ႙ኵ!10 nA, VIN = 0 V  VDRIVE

๼෇ۉඹ (CIN)

10 pF

剩余31页未读，继续阅读

xiaoche18

2014-04-14

资料真实，非常有用，大家有需要可以放心下载~~！

Junsea516

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