Datasheet

AD9627
Rev. B | Page 6 of 76
ADC DC SPECIFICATIONS—AD9627-125/AD9627-150
AVDD = 1.8 V, DVDD = 1.8 V, DRVDD = 3.3 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, DCS
enabled, fast detect output pins disabled, and signal monitor disabled, unless otherwise noted.
Table 2.
Parameter Temperature
AD9627-125 AD9627-150
Unit Min Typ Max Min Typ Max
RESOLUTION Full 12 12 Bits
ACCURACY
No Missing Codes Full Guaranteed Guaranteed
Offset Error Full ±0.3 ±0.6 ±0.2 ±0.6 % FSR
Gain Error Full −0.7 −2.7 −3.9 −0.9 −3.2 −5.2 % FSR
Differential Nonlinearity (DNL)
1
Full ±0.4 ±0.9 LSB
25°C ±0.2 ±0.2 LSB
Integral Nonlinearity (INL)
1
Full ±0.9 ±1.3 LSB
25°C ±0.4 ±0.5 LSB
MATCHING CHARACTERISTIC
Offset Error 25°C ±0.3 ±0.6 ±0.2 ±0.7 % FSR
Gain Error 25°C ±0.1 ±0.75 ±0.2 ±0.8 % FSR
TEMPERATURE DRIFT
Offset Error Full ±15 ±15 ppm/°C
Gain Error Full ±95 ±95 ppm/°C
INTERNAL VOLTAGE REFERENCE
Output Voltage Error (1 V Mode) Full ±5 ±16 ±5 ±16 mV
Load Regulation @ 1.0 mA Full 7 7 mV
INPUT REFERRED NOISE
VREF = 1.0 V 25°C 0.3 0.3 LSB rms
ANALOG INPUT
Input Span, VREF = 1.0 V Full 2 2 V p-p
Input Capacitance
2
Full 8 8 pF
VREF INPUT RESISTANCE Full 6 6 kΩ
POWER SUPPLIES
Supply Voltage
AVDD, DVDD Full 1.7 1.8 1.9 1.7 1.8 1.9 V
DRVDD (CMOS Mode) Full 1.7 3.3 3.6 1.7 3.3 3.6 V
DRVDD (LVDS Mode) Full 1.7 1.8 1.9 1.7 1.8 1.9 V
Supply Current
I
AVDD
1, 3
Full 385
455
419
495
mA
I
DVDD
1, 3
Full 42 50 mA
I
DRVDD
1
(3.3 V CMOS) Full 36 42 mA
I
DRVDD
1
(1.8 V CMOS) Full 18 22 mA
I
DRVDD
1
(1.8 V LVDS) Full 48 49 mA
POWER CONSUMPTION
DC Input Full 750 800 820 890 mW
Sine Wave Input
1
(DRVDD = 1.8 V) Full 814 895 mW
Sine Wave Input
1
(DRVDD = 3.3 V) Full 900 995 mW
Standby Power
4
Full 77 77 mW
Power-Down Power Full 2.5 6 2.5 6 mW
1
Measured with a low input frequency, full-scale sine wave, with approximately 5 pF loading on each output bit.
2
Input capacitance refers to the effective capacitance between one differential input pin and AGND. See Figure 8 for the equivalent analog input structure.
3
The maximum limit applies to the combination of I
AVDD
and I
DVDD
currents.
4
Standby power is measured with a dc input and with the CLK pins inactive (set to AVDD or AGND).