Datasheet

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.
Parameter
1
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
Load Regulation at 1.0 mA (V
REF
= 1 V) Full 2 2 mV
Input Resistance Full 7.5 7.5 kΩ
INPUT REFERRED NOISE
V
REF
= 1.0 V 25°C 0.36 0.49 LSB rms
ANALOG INPUTS
Differential Input Voltage (V
REF
= 1 V) 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
I
AVDD
(Eight Channels)
Full
142
151
221
234
mA
I
DRVDD
(Eight Channels, ANSI-644 Mode) Full 51 79 58 85 mA
I
DRVDD
(Eight Channels, Reduced Range Mode) 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 Dissipation
2
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.