Datasheet

AD9634
Rev. 0 | Page 3 of 32
SPECIFICATIONS
ADC DC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full scale input range,
DCS enabled, unless otherwise noted.
Table 1.
AD9634-170 AD9634-210 AD9634-250
Parameter Te mpe ra ture
Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION Full 12 12 12 Bits
ACCURACY
No Missing Codes Full Guaranteed Guaranteed Guaranteed
Offset Error Full ±11 ±11 ±11 mV
Gain Error Full +2/−11 +1/−8 +3/−7 %FSR
Differential Nonlinearity (DNL) Full ±0.4 ±0.4 ±0.4 LSB
25°C ±0.22 ±0.22 ±0.22 LSB
Integral Nonlinearity (INL)
1
Full ±0.4 ±0.4 ±0.6 LSB
25°C ±0.2 ±0.2 ±0.27 LSB
TEMPERATURE DRIFT
Offset Error Full ±7 ±7 ±7 ppm/°C
Gain Error Full ±55 ±58 ±75 ppm/°C
INPUT REFERRED NOISE
VREF = 1.0 V 25°C 0.531 0.391 0.407 LSB rms
ANALOG INPUT
Input Span Full 1.75 1.75 1.75 V p-p
Input Capacitance
2
Full 2.5 2.5 2.5 pF
Input Resistance
3
Full 20 20 20 kΩ
Input Common-Mode Voltage Full 0.9 0.9 0.9 V
POWER SUPPLIES
Supply Voltage
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
Supply Current
I
AVDD
1
Full 123 134 129 139 136 145 mA
I
DRVDD
1
Full 50 54 56 60 64 68 mA
POWER CONSUMPTION
Sine Wave Input (DRVDD = 1.8 V) Full 311 340 333 360 360 385 mW
Standby Power
4
Full 50 50 50 mW
Power-Down Power Full 5 5 5 mW
1
Measured with a low input frequency, full-scale sine wave.
2
Input capacitance refers to the effective capacitance between one differential input pin and its complement.
3
Input resistance refers to the effective resistance between one differential input pin and its complement.
4
Standby power is measured with a dc input and the CLK pin inactive (that is, set to AVDD or AGND).