Datasheet

AD9122
Rev. B | Page 5 of 60
SPECIFICATIONS
DC SPECIFICATIONS
T
MIN
to T
MAX
, AVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
FS
= 20 mA, maximum sample rate, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit
RESOLUTION 16 Bits
ACCURACY
Differential Nonlinearity (DNL) ±2.1 LSB
Integral Nonlinearity (INL) ±3.7 LSB
MAIN DAC OUTPUTS
Offset Error −0.001 0 +0.001 % FSR
Gain Error (with Internal Reference) −3.6 ±2 +3.6 % FSR
Full-Scale Output Current
1
8.66 19.6 31.66 mA
Output Compliance Range −1.0 +1.0 V
Power Supply Rejection Ratio, AVDD33 −0.3 +0.3 % FSR/V
Output Resistance 10 MΩ
Gain DAC Monotonicity Guaranteed
Settling Time to Within ±0.5 LSB 20 ns
MAIN DAC TEMPERATURE DRIFT
Offset 0.04 ppm/°C
Gain 100 ppm/°C
Reference Voltage 30 ppm/°C
REFERENCE
Internal Reference Voltage 1.2 V
Output Resistance 5 kΩ
ANALOG SUPPLY VOLTAGES
AVDD33 3.13 3.3 3.47 V
CVDD18 1.71 1.8 1.89 V
DIGITAL SUPPLY VOLTAGES
DVDD18 1.71 1.8 1.89 V
IOVDD 1.71 1.8/3.3 3.47 V
POWER CONSUMPTION
2× Mode, f
DAC
= 491.22 MSPS, IF = 10 MHz, PLL Off 834 mW
2× Mode, f
DAC
= 491.22 MSPS, IF = 10 MHz, PLL On 913 mW
8× Mode, f
DAC
= 800 MSPS, IF = 10 MHz, PLL Off 1135 1241 mW
AVDD33 55 57 mA
CVDD18 85 90 mA
DVDD18 444 495 mA
Power-Down Mode (Register 0x01 = 0xF0) 6.5 18.8 mW
POWER-UP TIME 260 ms
OPERATING RANGE −40 +25 +85 °C
1
Based on a 10 kΩ external resistor between FSADJ and AVSS.