Precision ADC Selection Guide

PRECISION ADCs
Single-Channel SAR ADCs
Part Number
Resolution (Bits)
Sample Rate (kSPS)
Input Type
Reference (V)
Data Bus Interface
Package
Description
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Differential
Pseudo differential
Differential
Pseudo differential
Differential
Differential
Pseudo differential
Pseudo differential
Pseudo differential
Differential
Pseudo differential
Pseudo differential
Pseudo differential
Differential
Pseudo differential
Pseudo differential
Pseudo differential
2.048, 4.096, 5 (external)
2.5
4.096
2.5 to 5.5 (external)
LVDS
Parallel/SPI
SPI
SPI
Parallel/SPI
SPI
Parallel/SPI
Parallel/SPI
SPI
SPI
SPI
SPI
Parallel/SPI
SPI
SPI
LVDS
Parallel/SPI
SPI
Parallel/SPI
SPI
Parallel/SPI
SPI
SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
SPI
Parallel/SPI
Parallel/SPI
SPI
SPI
Parallel/SPI
Parallel/SPI
48-lead LQFP
48-lead LQFP, 48-lead LFCSP
20-lead LFCSP
10-lead MSOP, 10-lead LFCSP
48-lead LQFP, 48-lead LFCSP
10-lead MSOP, 10-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
48-lead LQFP, 48-lead LFCSP
32-lead LFCSP
32-lead LFCSP
48-lead LQFP
48-lead LQFP, 48-lead LFCSP
20-lead LFCSP
48-lead LQFP, 48-lead LFCSP
10-lead MSOP, 10-lead LFCSP
48-lead LQFP, 48-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
10-lead MSOP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
18-bit, 5 MSPS PulSAR® differential ADC
18-bit, 2 MSPS SAR ADC
18-bit, 2 MSPS PulSAR 15 mW ADC
18-bit, 1.33 MSPS PulSAR 10.5 mW ADC
18-bit, 1.25 MSPS PulSAR ADC
18-bit, 1 MSPS PulSAR 7.0 mW ADC
18-bit, 2.5 LSB INL, 800 kSPS SAR ADC
18-bit, 570 kSPS PulSAR ADC
18-bit, 500 kSPS PulSAR ADC
18-bit, 1.5 LSB INL, 400 kSPS PulSAR differential ADC
18-bit, 1.5 LSB INL, 250 kSPS PulSAR differential ADC
18-bit, 100 kSPS PulSAR ADC
18-bit, 100 kSPS PulSAR ADC
16-bit, 10 MSPS, PulSAR differential ADC
16-bit, 6 MSPS, PulSAR differential ADC
16-bit, 5 MSPS SAR ADC
16-bit, 2 LSB INL, 3 MSPS PulSAR ADC
16-bit, 2.5 MSPS, 15.5 mW PulSAR ADC
16-bit, 1.5 LSB INL, 2 MSPS PulSAR ADC
16-bit, 1.33 MSPS PulSAR ADC
16-bit, 1.33 MSPS PulSAR ADC
16-bit, 1 MSPS PulSAR differential ADC
16-bit, 1 MSPS PulSAR ADC
16-bit, 1 MSPS PulSAR unipolar ADC with reference
16-bit, 1 MSPS PulSAR unipolar ADC with reference
16-bit, 1 LSB INL, 1 MSPS differential ADC
High temperature capability –55°C to +175°C
16-bit, 570 kSPS, low cost CMOS ADC
16-bit, 570 kSPS PulSAR unipolar CMOS ADC
16-bit, 500 kSPS PulSAR differential input ADC
16-bit, lower power PulSAR ADC
16-bit, 500 kSPS PulSAR unipolar ADC with reference
16-bit, 500 kSPS PulSAR unipolar ADC with reference
Parallel/SPI
48-lead LQFP, 48-lead LFCSP
SPI
SPI
SPI
SPI
SPI
SPI
Parallel/SPI
Parallel/SPI
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
8-lead MSOP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
16-bit, ±1 LSB INL, 500 kSPS, differential ADC
16-bit, 500 kSPS PulSAR ADC
16-bit, 1.5 LSB INL, 500 kSPS PulSAR differential ADC
16-bit, ±0.5 LSB, 500 kSPS PulSAR differential ADC
16-bit, 250 kSPS PulSAR ADC
16-bit, 1.5 LSB INL, 250 kSPS PulSAR differential ADC
16-bit, 250 kSPS PulSAR ADC
16-bit, 100 kSPS PulSAR unipolar ADC with reference
16-bit, 100 kSPS PulSAR unipolar CMOS ADC
Unipolar, Single-Channel SAR ADCs
AD7960 New
AD7641
AD7986
AD7984
AD7643
AD7982
AD7674
AD7679
AD7989-5
AD7690
AD7691
AD7989-1
AD7678
AD7626
AD7625
AD7961 New
AD7621
AD7985
AD7622
AD7983
AD7623
AD7915 New
AD7980
AD7653
AD7667
AD7677
AD7981 New
AD7650
AD7664
AD7916 New
AD7988-5 New
AD7652
AD7666
18
18
18
18
18
18
18
18
18
18
18
18
18
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
5000
2000
2000
1333
1250
1000
800
570
500
400
250
100
100
10,000
6000
5000
3000
2500
2000
1333
1333
1000
1000
1000
1000
1000
600
570
570
500
500
500
500
AD7676
16
500
Differential
AD7686
AD7688
AD7693
AD7685
AD7687
AD7694
AD7651
AD7660
16
16
16
16
16
16
16
16
500
500
500
250
250
250
100
100
Pseudo differential
Differential
Differential
Pseudo differential
Differential
Pseudo differential
Pseudo differential
Pseudo differential
Visit analog.com
2.5
2.5 to 5.5 (external)
5 (external)
5 (external)
2.4 to 5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
2.4 to 5 (external)
5 (external)
4.096
4.096
2.048, 4.096, 5 (external)
2.5
4.096
2.5
2.5 to 5.5 (external)
2.5
2.4 to 5.1 (external)
2.5 to 5.5 (external)
2.5
2.5
2.5 (external)
2.5 to 5.5 (external)
2.5 (external)
2.5 (external)
2.4 to 5.1 (external)
2.5 to 5.5 (external)
2.5
2.5
2.5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
2.5
2.5 (external)
Single-Channel SAR ADCs (Continued)
Part Number
Resolution (Bits)
Sample Rate (kSPS)
Input Type
Reference (V)
Data Bus Interface
Package
Description
100
100
100
100
100
100
100
100
100
100
3000
1000
500
250
100
3000
3000
3000
3000
1500
1250
1000
1000
1000
1000
1000
1000
1000
100
555
555
250
200
3000
3000
1750
1000
1000
275
250
3000
1200
320
Pseudo differential
Differential
Single-ended
Pseudo differential
Pseudo differential
Pseudo differential
Differential
Single-ended
Pseudo differential
Pseudo differential
Single-ended
Single-ended
Differential/pseudo differential
Differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Differential
Pseudo differential
Single-ended
Single-ended
Single-ended
Pseudo differential
Differential
Pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Differential
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
2.5
2.5 (external)
5 (external)
2.5
2.5 (external)
Parallel/SPI
Parallel/SPI
SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
SPI
SPI
SPI
Parallel
SPI
SPI
SPI
SPI
SPI
SPI
Parallel
Parallel
Parallel
Parallel
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
Parallel
SPI
SPI
SPI
SPI
SPI
SPI
SPI
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
6-lead SOT-23
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
6-lead SOT-23
8-lead MSOP
8-lead MSOP
48-lead LQFP
48-lead LQFP
10-lead MSOP, 10-lead LFCSP
10-lead MSOP, 10-lead LFCSP
6-lead SOT-23, 8-lead MSOP
8-lead TSOT, 8-lead MSOP
6-lead TSOT, 8-lead MSOP
48-lead LQFP
48-lead LQFP
24-lead SOIC, 24-lead TSSOP
24-lead TSSOP, 24-lead SOIC
8-lead LFCSP
10-lead LFCSP, 10-lead MSOP
8-lead SOT-23, 8-lead MSOP
8-lead SOT-23, 8-lead MSOP
8-lead MSOP, 8-lead SOIC
6-lead SC70, 8-lead MSOP
8-lead MSOP, 8-lead SOIC
8-lead SOT-23
8-lead SOT-23
8-lead SOT-23
6-lead SC70, 8-lead MSOP
6-lead SOT-23, 8-lead MSOP
8-lead TSOT, 8-lead MSOP
6-lead TSOT, 8-lead MSOP
24-lead SOIC, 24-lead TSSOP
6-lead SC70, 8-lead MSOP
8-lead SOT-23, 8-lead MSOP
6-lead SOT-23, 8-lead MSOP
6-lead SC70, 8-lead MSOP
6-lead TSOT, 8-lead MSOP
6-lead SC70, 8-lead MSOP
6-lead SOT-23, 8-lead MSOP
16-bit, 100 kSPS PulSAR unipolar ADC with reference
16-bit, 100 kSPS differential ADC
16-bit, 3 mW, 100 kSPS ADC
16-bit, 100 kSPS PulSAR unipolar ADC with reference
16-bit, 100 kSPS PulSAR unipolar CMOS ADC
16-bit, 100 kSPS PulSAR unipolar ADC with reference
16-bit, 100 kSPS differential ADC
16-bit, 3 mW, 100 kSPS ADC
16-bit, 100 kSPS, single-ended PulSAR ADC
16-bit, 100 kSPS PulSAR differential ADC
14-bit, 3 MSPS parallel ADC
12-bit, 1 MSPS serial ADC
14-bit, no missing codes, ±1 LSB INL, 85 dB SNR
14-bit, no missing codes, ±1 LSB INL, 85 dB SNR
14-bit, 100 kSPS serial SAR ADC
12-bit, 3 MSPS SAR ADC with external VREF
12-bit, 3 MSPS SAR ADC
12-bit, 3 MSPS parallel ADC
12-bit, 3 MSPS parallel ADC
12-bit, 1.5 MSPS, 4.5 mW parallel ADC
12-bit, 1.25 MSPS,16 mW parallel ADC with internal REF and CLK
12-bit, serial, ultralow power SAR ADC
12-bit, serial, ultralow power SAR ADC with internal VREF
12-bit, 1 MSPS differential input ADC
12-bit, 1 MSPS pseudo differential, unipolar ADC
12-bit, 1 MSPS low power ADC
12-bit, 1 MSPS, 2.35 V to 5.25 V ADC
12-bit, 1 MSPS low power ADC with internal VREF
12-bit, 100 kSPS pseudo differential, unipolar ADC
12-bit, 555 kSPS differential input ADC
12-bit, 555 kSPS pseudo differential, unipolar input ADC
12-bit, 250 kSPS low power ADC
12-bit, 1.6 V micropower ADC
10-bit, 3 MSPS SAR ADC with external VREF
10-bit, 3 MSPS SAR ADC
10-bit, 1.75 MSPS, 4.5 mV parallel ADC
10-bit, 1 MSPS, 2.35 V to 5.25 V ADC
10-bit, 1 MSPS differential input ADC
10-bit, 1.6 V micropower ADC
Low power, 250 kSPS, 10-bit ADC
8-bit, 3 MSPS SAR ADC
8-bit,1.2 MSPS, 2.35 V to 5.25 V ADC
8-bit, 1.6 V micropower ADC
670
250
1000
750
570
250
250
200
200
1000
1000
Differential
Differential
Pseudo differential
Pseudo differential
Pseudo differential
Pseudo differential
Pseudo differential
Single-ended
Single-ended
Pseudo differential
Differential/single-ended
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel
SPI
Parallel/SPI
Parallel/SPI
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
28-lead SSOP, 28-lead PDIP
28-lead SSOP
48-lead LQFP, 48-lead LFCSP
48-lead LQFP, 48-lead LFCSP
18-bit, 670 kSPS differential, programmable input PulSAR ADC
18-bit, 250 kSPS differential, programmable input PulSAR ADC
16-bit, 1 MSPS CMOS ADC
16-bit, 750 kSPS, unipolar, programmable input PulSAR ADC
16-bit, 570 kSPS CMOS ADC
16-bit, 250 kSPS unipolar, programmable input PulSAR ADC
16-bit, 250 kSPS CMOS ADC
16-bit, 100 kSPS/200 kSPS BiCMOS® ADC
16-bit, 100 kSPS/200 kSPS BiCMOS ADC
14-bit, no missing codes, ±1 LSB INL, 84.5 dB SNR
14-bit, no missing codes, ±1 LSB INL, 84.5 dB SNR
Unipolar, Single-Channel SAR ADCs
AD7661
AD7675
AD7680
AD7651
AD7660
AD7661
AD7675
AD7680
AD7683
AD7684
AD7484
AD7485
AD7946
AD7942
AD7940
AD7274
AD7276
AD7482
AD7482
AD7472
AD7492
AD7091 New
AD7091R New
AD7450A
AD7451
AD7475
AD7476A
AD7495
AD7457
AD7452
AD7453
AD7920
AD7466
AD7273
AD7277
AD7470
AD7477A
AD7440
AD7467
AD7910
AD7278
AD7478A
AD7468
16
16
16
16
16
16
16
16
16
16
14
14
14
14
14
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
10
10
10
10
10
10
10
8
8
8
2.5
2.5 (external)
5 (external)
0.5 to 5 (external)
0.5 to 5 (external)
2.5 (external/internal)
2.5 (external/internal)
0.5 to 5 (external)
0.5 to 5 (external)
VDD
1.2 to VDD (external)
VDD
2.5 (external/internal)
2.5 (external/internal)
2.5 (external)
2.5 (internal)
VDD
2.5 (internal), 2.7 to VDD (external)
2.5 (external)
2.5 (external)
2.5 (external)
VDD
2.5 (internal)
2.5 (external)
2.5 (external)
2.5 (external)
VDD
VDD
1.2 to VDD (external)
VDD
2.5 (external)
VDD
2.5 (external)
VDD
VDD
VDD
VDD
VDD
Bipolar, Single-Channel SAR ADCs
AD7634
AD7631
AD7671
AD7612
AD7665
AD7610
AD7663
AD976A
AD977A
AD7951
AD7952
18
18
16
16
16
16
16
16
16
14
14
5
5
2.5 (external)
5
2.5 (external)
5
2.5 (external)
2.5
2.5
5
5
Multiplexed SAR ADCs
Resolution (Bits)
Sample Rate (kSPS)
Input Type
Reference (V)
Data Bus Interface
Package
Description
4
8
8
8
2
2
2
2
4
4
4
4
4
4
4
8
8
8
8
8
8
8
8
16
2
2
4
4
4
4
8
8
8
4
4
8
16
16
16
14
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
10
10
10
10
10
10
10
10
10
8
8
8
250
500
250
250
1000
1000
250
188
1500
1000
1000
625
200
188
140
1500
1000
1000
1000
625
200
188
22
1000
1000
250
1500
1000
188
140
1500
1000
188
1000
140
1000
Single-ended/differential/pseudo differential
Single-ended/differential/pseduo differential
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended/differential/pseudo differential
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
2.5/4.1
2.5/4.1
2.5/4.1
2.5/4.1
2.5 (internal), 2.7 to VDD (external)
VDD
VDD
1.2 to VDD (external)
2.5 (external/internal)
2.5 (internal), 2.7 to VDD (external)
2.5 (external)
2.5 (external/internal)
2.5 (external)
1.2 to VDD (external)
1.2 to VDD (external)
2.5 (external/internal)
2.5 (internal), 2.7 to VDD (external)
2.5 (internal), 1 to 2.5 (external)
2.5 (external)
2.5 (external/internal)
2.5 (external)
1.2 to VDD (external)
2.5 (internal), 1 to 2.5 (external)
2.5 (external)
SPI
SPI
SPI
SPI
SPI
SPI
SPI
I2C
Parallel
SPI
SPI
Parallel
SPI
I2C
I2C
Parallel
SPI
SPI
SPI
Parallel
SPI
I2C
I2C
SPI
SPI
SPI
Parallel
SPI
I2C
I2C
Parallel
SPI
I2C
SPI
I2C
SPI
20-lead LFCSP
20-lead LFCSP
20-lead LFCSP
20-lead LFCSP
16-lead LFCSP, 16-lead TSSOP
8-lead TSOT, 8-lead MSOP
8-lead TSOT, 8-lead MSOP
10-lead MSOP
28-lead TSSOP
20-lead LFCSP, 20-lead TSSOP
16-lead TSSOP
28-lead TSSOP
16-lead TSSOP
16-lead TSSOP
8-lead SOT
32-lead TQFP, 32-lead LFCSP
24-lead LFCSP, 24-lead TSSOP
20-lead LFCSP
20-lead TSSOP
32-lead TQFP, 32-lead LFCSP
20-lead TSSOP
20-lead TSSOP
20-lead LFCSP
28-lead TSSOP, 32-lead LFCSP
8-lead TSOT, 8-lead MSOP
8-lead TSOT, 8-lead MSOP
28-lead TSSOP
16-lead TSSOP
16-lead TSSOP
8-lead SOT
32-lead TQFP, 32-lead LFCSP
20-lead TSSOP
20-lead TSSOP
16-lead TSSOP
8-lead SOT
20-lead TSSOP
16-bit, 4-channel, 250 kSPS PulSAR ADC
16-bit, 8-channel, 500 kSPS PulSAR ADC
16-bit, 8-channel, 250 kSPS PulSAR ADC
14-bit, no missing codes, ±1 LSB INL, 83 dB SNR
12-bit SPI, ultralow power SAR ADC with internal VREF
12-bit, 2-channel, 1 MSPS ADC
12-bit, 2-channel, 250 kSPS ADC
12-bit, 2-channel ADC with I2C-compatible interface
12-bit, 4-channel, 1.5 MSPS parallel ADC with a sequencer
12-bit SPI, ultralow power SAR ADC with internal VREF
12-bit, 4-channel, 1 MSPS ADC with channel sequencer
12-bit, 4-channel, 625 kSPS parallel ADC with a sequencer
12-bit, 4-channel, 200 kSPS ADC with channel sequencer
12-bit, 4-channel ADC with I2C-compatible interface
12-bit, 4-channel I2C ADC
12-bit, 8-channel, 1.5 MSPS parallel ADC with a sequencer
12-bit SPI, ultralow power SAR ADC with internal VREF
12-bit, 8-channel, 1 MSPS ADC with internal reference, temperature sensor
12-bit, 8-channel, 1 MSPS ADC with channel sequencer
12-bit, 8-channel, 625 kSPS parallel ADC with a sequencer
12-bit, 8-channel, 200 kSPS ADC with channel sequencer
12-bit, 8-channel ADC with I2C-compatible interface
12-bit, 8-channel ADC with internal reference, temperature sensor
12-bit, 16-channel, 1 MSPS ADC with channel sequencer
10-bit, 2-channel, 1 MSPS ADC
10-bit, 2-channel, 250 kSPS ADC
10-bit, 4-channel, 1.5 MSPS parallel ADC with a sequencer
10-bit, 4-channel, 1 MSPS ADC with channel sequencer
10-bit, 4-channel ADC with I2C-compatible interface
10-bit, 4-channel I2C ADC
10-bit, 8-channel, 1.5 MSPS parallel ADC with a sequencer
10-bit, 8-channel, 1 MSPS ADC with channel sequencer
10-bit, 8-channel ADC with I2C-compatible interface
8-bit, 4-channel, 1 MSPS ADC with channel sequencer
8-bit, 4-channel I2C ADC
8-bit, 8-channel, 1 MSPS ADC with channel sequencer
AD974
ADAS3022 New
4
8
16
16
200
1000
Single-ended
Single-ended/differential
SPI
Serial/SPI
28-lead SSOP
40-lead LFCSP
16-bit, 4-channel, 200 kSPS data acquisition system
Integrated PGA, user-programmable ranges
AD7322
2
13
1000
Single-ended/differential/pseudo differential
2.5
4.096
2.5 (external/internal)
SPI
14-lead TSSOP
12-bit+, 8-channel, 1 MSPS iCMOS® ADC
AD7321
2
13
500
Single-ended/differential/pseudo differential
2.5 (external/internal)
SPI
14-lead TSSOP
12-bit+, 8-channel, 500 kSPS iCMOS ADC
AD7324
4
13
1000
Single-ended/differential/pseudo differential
2.5 (external/internal)
SPI
16-lead TSSOP
12-bit+, 4-channel, 1 MSPS iCMOS ADC
AD7323
4
13
500
Single-ended/differential/pseudo differential
2.5 (external/internal)
SPI
16-lead TSSOP
12-bit+, 4-channel, 500 kSPS iCMOS ADC
AD7328
8
13
1000
Single-ended/differential/pseudo differential
2.5 (external/internal)
SPI
20-lead TSSOP
12-bit+, 2-channel, 1 MSPS iCMOS ADC
AD7329
8
13
1000
Single-ended/differential/pseudo differential
2.5 (external/internal)
SPI
24-lead TSSOP
12-bit+, 1 MSPS iCMOS ADC with mux out
AD7327
8
13
500
Single-ended/differential/pseudo differential
2.5 (external/internal)
SPI
20-lead TSSOP
12-bit+, 2-channel, 500 kSPS iCMOS ADC
Part Number
Number of Channels
Unipolar, Multiplexed SAR ADCs
AD7682
AD7699
AD7689
AD7949
AD7091R-2 New
AD7922
AD7921
AD7992
AD7934
AD7091R-4 New
AD7924
AD7934-6
AD7923
AD7994
AD7991
AD7938
AD7091R-8 New
AD7298 New
AD7928
AD7938-6
AD7927
AD7998
AD7291 New
AD7490
AD7912
AD7911
AD7933
AD7914
AD7993
AD7995
AD7939
AD7918
AD7997
AD7904
AD7999
AD7908
VDD
VDD
2.5 (external/internal)
2.5 (external)
1.2 to VDD (external)
1.2 to VDD (external)
2.5 (external/internal)
2.5 (external)
1.2 to VDD (external)
2.5 (external)
1.2 to VDD (external)
2.5 (external)
Bipolar, Multiplexed SAR ADCs
Simultaneous Sampling ADCs
Part Number
Number of Simultaneous
Sampling Channels
Total Number of
Channels
Resolution (Bits) Sample Rate (kSPS)
Input Type
Reference (V)
Data Bus Interface
Package
Single-ended
2.5 (external)
Parallel/SPI
24-lead TSSOP
Description
Dual Simultaneous Sampling ADCs with Multiplexed Inputs
AD7654
2
4
16
500
AD7655
2
4
16
500
Single-ended
2.5 (external)
Parallel/SPI
32-lead TQFP, 32-lead LFCSP
AD7367
2
4
14
1000
Single-ended
2.5 (external/internal)
SPI
64-lead LQFP
AD7367-5
2
4
14
500
Single-ended
2.5 (external/internal)
SPI
20-lead QSOP
AD7366
2
4
12
1000
Single-ended
2.5 (external/internal)
SPI
64-lead LQFP
AD7366-5
2
4
12
500
Single-ended
2.5 (external/internal)
SPI
64-lead LQFP
AD7866
2
12
1000
SPI
48-lead LQFP, 48-lead LFCSP
2
12
2000
Single-ended
Single-ended/differential/
pseudo differential
Single-ended/differential/
pseudo differential
2.5 (external/internal)
AD7266
4
12 (single-ended),
6 (differential)
12 (single-ended),
6 (differential)
2.5 (external/internal)
SPI
64-lead LQFP
2.5 (external/internal)
SPI
64-lead LQFP
AD7265
2
12
1000
16-bit, 2-channel, 500 kSPS, dual
simultaneous sampling PulSAR ADC
16-bit, 4-channel, 1 MSPS PulSAR ADC
14-bit, 2-channel, 1 MSPS, true bipolar input,
dual simultaneous sampling SAR ADC
14-bit, 2-channel, 500 kSPS, true bipolar input,
dual simultaneous sampling SAR ADC
12-bit, 2-channel, 1 MSPS, true bipolar input,
dual simultaneous sampling SAR ADC
12-bit, 2-channel, 1 MSPS, true bipolar input,
dual simultaneous sampling SAR ADC
12-bit, 2-channel, 1 MSPS dual serial interface SAR ADC
12-bit, 3-channel/6-channel, 2 MSPS, dual
differential/single-ended input SAR ADC
12-bit, 3-channel/6-channel, 1 MSPS, dual
differential/single-ended input SAR ADC
Simultaneous Sampling ADCs, 1 Channel per ADC
AD7608
8
8
18
200
Single-ended
2.5
Parallel/SPI
16-lead TSSOP
AD7609
8
8
18
200
Differential
2.5
Parallel/SPI
16-lead TSSOP
AD7902 New
2
2
16
1000
Pseudo differential
2.4 to 5 (external)
SPI
16-lead TSSOP
AD7903 New
2
2
16
1000
Differential
2.4 to 5 (external)
SPI
24-lead TSSOP
AD7606-4
AD7656
AD7656A
AD7656A-1
AD7606-6
ADAS3023 New
AD7606
AD7357
AD7264
AD7657
AD7356
AD7352
AD7262
AD7658
4
6
6
6
6
8
8
2
2
6
2
2
2
6
4
6
6
6
6
8
8
2
2
6
2
2
2
6
16
16
16
16
16
16
16
14
14
14
12
12
12
12
200
250
250
250
200
500 to 125
200
4250
1000
250
5000
3000
1000
250
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Single-ended
Differential
Differential
Single-ended
Differential
Differential
Differential
Single-ended
2.5
2.5
2.5
2.5
2.5
4.096
2.5
2.5 (external), 2.048 (internal)
2.5 (external/internal)
2.5 (external/internal)
2.5 (external), 2.048 (internal)
2.5 (external), 2.048 (internal)
2.5 (external/internal)
2.5 (external/internal)
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
Parallel/SPI
SPI
Parallel/SPI
SPI
SPI
Parallel/SPI
SPI
SPI
SPI
Parallel/SPI
48-lead TQFP, 48-lead LFCSP
32-lead TQFP, 32-lead LFCSP
64-lead LQFP
64-lead LQFP
64-lead LQFP
48-lead TQFP, 48-lead LFCSP
16-lead TSSOP
24-lead TSSOP
24-lead TSSOP
20-lead QSOP
48-lead LQFP, 48-lead LFCSP
64-lead LQFP
40-lead LFCSP
64-lead LQFP
8-channel DAS with 18-bit bipolar,
simultaneous sampling ADC
8-channel DAS with 18-bit bipolar,
simultaneous sampling ADC
Two separate interfaces per ADC,
or combined interface for both
Two separate interfaces per ADC,
or combined interface for both
4-channel DAS with 16-bit simultaneous sampling ADC
16-bit, 6-channel, 250 kSPS simultaneous sampling ADC
250 kSPS, 6-channel, simultaneous sampling, 16-bit ADC
250 kSPS, 6-channel, simultaneous sampling, 16-bit ADC
6-channel DAS with 16-bit simultaneous sampling ADC
Integrated PGA, user-programmable ranges
8-channel DAS with simultaneous sampling, 16-bit ADC
14-bit simultaneous sampling, differential ADC
Integrated analog input PGA and four comparators, simultaneous sampling ADC
iCMOS,® simultaneous sampling ADC
12-bit, 5 MSPS, simultaneous sampling, differential ADC
12-bit, 3 MSPS simultaneous sampling, differential ADC
Integrated analog input PGA and four comparators, simultaneous sampling ADC
iCMOS, simultaneous sampling ADC
Precision Ʃ-Δ ADCs
Part Number
Resolution (Bits)
A IN Channels
Min Input Range (V)
Max Input Range (V)
Resolution (p-p) (Bits)
@ Data Rate (Hz)
Max Output
Data Rate (SPS)
Power Supply
Current Typ (mA)
On-Chip
PGA
On-Chip
A IN/Ref
Buffer
On-Chip
Current Source
On-Chip
Reference
Peak-to-Peak (p-p) Resolution vs. ODR
Features
Low Power, Low Noise Ʃ-Δ ADCs
AD7701
16
1
—
±VREF
16
4000
4000
5
—
—
—
—
AD7703
AD7705
AD7706
AD7707
AD7714
20
16
16
16
24
1
2
3
3
5
—
±VREF/128
±VREF/128
±VREF/128
±VREF/128
±VREF
±VREF
±VREF
±4 VREF
±VREF
17
16
16
16
17.5
4000
60
60
60
60
4000
500
500
500
1000
5
0.5
0.5
0.5
0.55
—
—
•
•
•
•
•
•
•
•
—
—
—
—
—
—
—
—
—
—
Update rate is 4 kHz, bandwidth is 10 Hz,
programmmable LPF
Update rate is 4 kHz, bandwidth is 10 Hz
—
—
—
—
AD7715
16
1
16
60
500
0.55
•
•
—
—
—
16
10
±VREF/128
±1.024 VREF/128
±VREF
AD7708
±1.024 VREF
16
20
1365
1.3
•
•
—
—
—
AD7709
16
4
±1.024 VREF
16
20
105
1.25
•
•
—
24
24
24
10
5
2
±1.024 VREF
±1.024 VREF
±1.024 VREF
18.5
18.5
18.5
20
20
20
1365
105
19.79
1.3
1.5
1.3
•
•
•
•
•
•
•
—
—
AD7718
AD7719
AD7782
±1.024 VREF/128
±1.024 VREF/128
±1.024 VREF/128
±1.024 VREF/16
•
—
—
—
—
Dual ADC
Read only
AD7783
24
1
18.5
20
19.79
1.3
•
—
2
2
2
2
3
2
1
1
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
17.5
17.5
17.5
17.5
16
19
16
19
60
60
60
60
20
16.6
16.6
16.6
1000
1000
1000
1000
206
120
16.6
16.6
5
5
5
5
1.1
0.13
0.07
0.07
•
•
•
•
•
—
—
—
•
—
—
—
—
—
•
24
24
24
24
24
24
16
24
±1.024 VREF/16
±VREF/128
±VREF/128
±VREF/128
±VREF/128
±VREF/128
—
—
—
±1.024 VREF
AD7710
AD7711
AD7711A
AD7712
AD7713
AD7787
AD7788
AD7789
•
•
•
—
Ultralow power, small footprint
Ultralow power, small footprint
Ultralow power, small footprint
AD7790
16
1
16
16.6
120
0.13
24
12
16
24
20
20
16
24
24
16
16
24
16
24
1
1
1
1
1
3
3
3
6
6
1
1
3
3
±VREF/8
—
—
—
—
—
±VREF/128
±VREF/128
±VREF/128
±VREF/128
±VREF/128
—
—
±VREF/128
±VREF/128
±VREF
AD7791
AD7170
AD7171
AD7780
AD7781
AD7785
AD7792
AD7793
AD7794
AD7795
AD7796
AD7797
AD7798
AD7799
±VREF
±VREF
±VREF
—
—
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF/128
±VREF/128
±VREF
±VREF
19
12
16
18.7
18.7
18.6
16
18.6
18.6
16
15.5
15.5
16
18.6
16.6
125
125
16.7
16.7
16.6
16.6
16.6
16.6
16.6
16.6
16.6
16.6
16.6
120
125
125
16.7
16.7
470
470
470
470
470
123
123
470
470
0.13
0.11
0.11
0.42
0.42
0.4
0.4
0.4
0.4
0.4
0.25
0.25
0.3
0.38
AD7124-4 New
24
7
±VREF/128
±VREF
18.8/19.2/20.4
25
2400/4800/
19200
0.255/0.355/0.93
•
AD7124-8 New
24
15
±VREF/128
±VREF
18.8/19.2/20.4
25
2400/4800/
19200
0.255/0.355/0.93
•
—
Read only
—
•
—
—
•
—
—
—
—
—
—
—
—
—
—
—
—
•
—
—
Ultralow power, small footprint
—
—
—
•
—
—
—
—
—
—
—
—
—
—
—
—
—
—
•
•
•
•
•
•
•
•
•
•
•
•
•
•
—
—
—
—
•
•
•
•
•
—
—
—
—
•
•
•
•
•
•
Ultralow power, small footprint
Low power, ease of use, small footprint
Low power, ease of use, small footprint
Pin programmable
Pin programmable
Low power and low noise
Low power and low noise
Low power and low noise
Low power and low noise
Low power and low noise
Low power and low noise
Low power and low noise
Low power and low noise
Low power and low noise
Completely integrated analog front end, highest degree
of signal chain integration, flexibility of 3 power modes,
extensive diagnostic functionality
Completely integrated analog front end, highest degree
of signal chain integration, flexibility of 3 power modes,
extensive diagnostic functionality
•
•
•
•
•
•
•
•
•
•
•
Two current sources
One current source
—
—
Precision Ʃ-Δ ADCs (continued)
Part Number
Resolution (Bits)
AIN Channels
Min Input Range (V)
Max Input Range (V)
Peak-to-Peak (p-p) Resolution vs. ODR
Resolution (p-p) (Bits)
@ Data Rate (Hz)
Max Output
Data Rate (SPS)
Power Supply
Current Typ (mA)
On-Chip
PGA
On-Chip
A IN/Ref
Buffer
On-Chip
Current Source
On-Chip
Reference
Features
Low Noise, High Output Data Rate Ʃ-Δ ADCs
AD7732
24
2
±2 VREF
±4 VREF
16
2000
15,400
14.5
—
•
—
—
Fast channel switching, ±10 V input range
AD7734
24
4
±2 VREF
±4 VREF
16
2000
15,400
14.5
—
•
—
—
Fast channel switching, ±10 V input range
AD7738
AD7739
AD7730
AD7730L
AD7731
AD7190
AD7191
AD7192
AD7193
AD7194
AD7195
AD7172-2 New
AD7172-4 New
AD7173-8 New
AD7175-2 New
AD7176-2 New
AD7177-2 New
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
32
8
8
2
2
5
2
2
2
4
8
2
4
8
16
4
4
4
±VREF/4
±VREF/4
±1.024 VREF/256
±1.024 VREF/256
±1.024 VREF/128
±VREF/128
±VREF/128
±VREF/128
±VREF/128
±VREF/128
±VREF/128
­—
—
—
—
—
—
±VREF
±VREF
±1.024 VREF/32
±1.024 VREF/32
±1.024 VREF/2
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
±VREF
8500
4000
200
200
800
4.7
10
4.7
4.7
4.7
4.7
1.25/31,250
1.25/31,250
1.23/31.25
20/250,000
250,000
5/10,000
15,400
15,100
3800
7600
6400
4800
120
4800
4800
4800
4800
31,250
31,250
31,250
250,000
250,000
10,000
14.5
14.5
13
13
13.5
6
4.35
4.35
4.65
4.65
6
1.5
1.5
1.5
8.8
7.8
8.4
—
—
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
—
—
—
—
—
±VREF
16
16
17
17
17
22.5
21.5
22
22
22
22.5
24/17.4
24/17.4
24/17.5
24/17.4
17.5
24.6/19.1
•
—
—
—
—
—
—
—
—
—
­
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
•
•
•
•
•
•
Fast channel switching
Fast channel switching
Bridge transducer ADC
Bridge transducer ADC
Bridge transducer ADC
Low noise
Pin programmable, low noise
Low noise
Low noise
Low noise
Low noise with ac excitation
True rail-to-rail input buffer, ultralow noise and fast settling
True rail-to-rail input buffer, ultralow noise and fast settling
Low noise and fast channel switching
True rail-to-rail input buffer, ultralow noise and fast settling
Ultralow noise and fast settling
True rail-to-rail input buffer, ultralow noise and fast settling
±0.2
±0.2
±0.25
±0.25
±0.32
16
10,000
—
6
—
—
—
—
Isolated Ʃ-Δ
±0.32
±0.32
±0.32
±0.32
±0.32
±0.32
20,000
10,000
20,000
20,000
20,000
20,000
—
—
—
—
—
—
6
15.5
17
26
36
43
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Isolated Ʃ-Δ, external clock
Isolated Ʃ-Δ
Isolated Ʃ-Δ, external clock
±0.25
±0.25
±0.25
16
16
16
16
16
16
•
•
•
•
•
•
•
•
•
­
—
—
—
—
—
—
Isolated Precision Ʃ-Δ ADCs
AD7400
16
1
AD7401
AD7400A
AD7401A
AD7402 New
AD7403 New
AD7405 New
16
16
16
16
16
16
1
1
1
1
1
1
Enhanced SINAD and offset drift, internal clock
Enhanced SINAD and offset drift, external clock
LVDS interface, enhanced SINAD and offset drift, external clock
Wideband Precision and Oversampling ADCs
Part Number
AD7760
AD7762
AD7763
AD7764
AD7765
AD7766
AD7766-1
AD7766-2
AD7767
AD7767-1
AD7767-2
A IN Channels
Resolution (Bits)
Dynamic Range (dB)
Max Data Rate/SNR Typ
Min Data Rate/SNR Typ
Programmable Oversampling Rate
INL Error Typ (ppm)
Power (mW)
On-Chip AIN/Ref Buffer
Interface
Package
1
1
1
1
1
1
1
1
1
1
1
24
24
24
24
24
24
24
24
24
24
24
120
120
120
115
115
109.5
112.5
115.5
109.5
112.5
115.5
2.5 MSPS/100 dB
625 kSPS/107 dB
625 kSPS/107 dB
312 kSPS/104 dB
156 kSPS/107 dB
128 kSPS/108.5 dB
64 kSPS/111.5 dB
32 kSPS/113.5 dB
128 kSPS/108.5 dB
64 kSPS/111.5 dB
32 kSPS/113.5 dB
78 kSPS/112 dB
78 kSPS/112 dB
78 kSPS/112 dB
78 kSPS/109 dB
78 kSPS/109 dB
—
—
—
—
—
—
8× to 256×
32× to 256×
32× to 256×
64×, 128×, 256×
128×, 256×
8×
16×
32×
8×
16×
32×
8
8
8
14
14
6
6
6
3
3
3
661
661
651
160
160
15
10.5
8.5
15
10.5
8.5
•
•
•
•
•
—
—
—
—
—
—
Parallel
Parallel
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
Serial
64-lead TQFP
64-lead TQFP
64-lead TQFP
28-lead TSSOP
28-lead TSSOP
16-lead TSSOP
16-lead TSSOP
16-lead TSSOP
16-lead TSSOP
16-lead TSSOP
16-lead TSSOP
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