Datasheet

Data Sheet AD9253
Rev. 0 | 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.
AD9253-80 AD9253-105 AD9253-125
Parameter
1
Temp
Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION 14 14 14 Bits
ACCURACY
No Missing Codes Full Guaranteed Guaranteed Guaranteed
Offset Error Full −0.7 −0.3 +0.1 −0.7 −0.3 +0.1 −0.7 −0.3 +0.1 % FSR
Offset Matching Full −0.6 +0.2 +0.6 −0.6 +0.2 +0.6 −0.6 +0.2 +0.6 % FSR
Gain Error Full −10 −5 0 −10 −5 0 −10 −5 0 % FSR
Gain Matching Full 1 1.6 1 1.6 1.1 1.6 % FSR
Differential Nonlinearity (DNL) Full −1 +1.6 −0.8 +1.5 −0.8 +1.5 LSB
25°C ±0.8 ±0.75 ±0.75 LSB
Integral Nonlinearity (INL) Full −4.0 +4.0 −4.0 4.0 −4.0 +4.0 LSB
25°C ±1.5 ±2.0 ±2.0 LSB
TEMPERATURE DRIFT
Offset Error Full ±2 ±2 ±2 ppm/°C
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode) Full 0.98 1.0 1.02 0.98 1.0 1.02 0.98 1.0 1.02 V
Load Regulation at 1.0 mA (V
REF
= 1 V) Full 2 2 2 mV
Input Resistance Full 7.5 7.5 7.5 kΩ
INPUT-REFERRED NOISE
V
REF
= 1.0 V 25°C 0.94 0.94 0.94 LSB rms
ANALOG INPUTS
Differential Input Voltage (V
REF
= 1 V) Full 2 2 2 V p-p
Common-Mode Voltage Full 0.9 0.9 0.9 V
Differential Input Resistance 5.2 5.2 5.2 kΩ
Differential Input Capacitance Full 3.5 3.5 3.5 pF
POWER SUPPLY
AVDD Full 1.7 1.8 1.9 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 1.7 1.8 1.9 V
I
AVDD
2
Full 131 144 158 172 183 200 mA
I
DRVDD
(ANSI-644 Mode)
2
Full 63 81 67 95 71 100 mA
I
DRVDD
(Reduced Range Mode)
2
25°C 42 48 53 mA
TOTAL POWER CONSUMPTION
DC Input Full 326 375 423 mW
Sine Wave Input (Four Channels Including
Output Drivers ANSI-644 Mode)
Full 349 405 405 481 457 540 mW
Sine Wave Input (Four Channels Including
Output Drivers Reduced Range Mode)
25°C 311 371 425 mW
Power-Down Full 2 2 2 mW
Standby
3
Full 178 209 236 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
Measured with a low input frequency, full-scale sine wave on all four channels.
3
Can be controlled via the SPI.