Data Sheet

AD9637

Rev. A | Page 3 of 40

SPECIFICATIONS

DC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted.

Table 1.

Parameter1

Temp

AD9637-40

AD9637-80

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

12

12

Bits

ACCURACY

No Missing Codes

Full

Guaranteed

Guaranteed

Offset Error

Full

−0.6

−0.3

+0.1

−0.7

−0.3

+0.1

% FSR

Offset Matching

Full

0.0

0.2

0.6

0.0

0.2

0.6

% FSR

Gain Error

Full

−8.0

−2.1

+2.0

−7.0

−3.2

+1.0

% FSR

Gain Matching

Full

−1.0

+1.7

+5.0

−1.0

+2.3

+6.0

% FSR

Differential Nonlinearity (DNL)

Full

−0.8

±0.3

+0.8

−0.8

±0.4

+0.8

LSB

Integral Nonlinearity (INL)

Full

−1.0

±0.4

+1.0

−1.2

±0.5

+1.2

LSB

TEMPERATURE DRIFT

Offset Error

Full

±2

±2

ppm/°C

INTERNAL VOLTAGE REFERENCE

Output Voltage (1 V Mode)

Full

0.98

0.99

1.01

0.98

0.99

1.01

V

Full

2

2

mV

Input Resistance

Full

7.5

7.5

kΩ

INPUT REFERRED NOISE

25°C

0.36

0.49

LSB rms

ANALOG INPUTS

Full

2

2

V p-p

Common-Mode Voltage

Full

0.9

0.9

V

Common-Mode Range

Full

0.5

1.3

0.5

1.3

V

Differential Input Resistance

5.2

5.2

kΩ

Differential Input Capacitance

Full

3.5

3.5

pF

POWER SUPPLY

AVDD

Full

1.7

1.8

1.9

1.7

1.8

1.9

V

DRVDD

Full

1.7

1.8

1.9

1.7

1.8

1.9

V

Full

142

151

221

234

mA

Full

51

79

58

85

mA

25°C

36

43

mA

TOTAL POWER CONSUMPTION

Total Power Dissipation (Eight Channels, ANSI-644 Mode)

Full

347

414

502

574

mW

Total Power Dissipation (Eight Channels, Reduced Range Mode)

25°C

320

475

mW

Power-Down Dissipation

25°C

1

1

mW

Standby Dissipation2

25°C

72

98

mW

1

See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed.

2

Can be controlled via the SPI.