Datasheet

AD9785/AD9787/AD9788
Rev. A | Page 3 of 64
SPECIFICATIONS
DC SPECIFICATIONS
T
MIN
to T
MAX
, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
OUTFS
= 20 mA, maximum sample rate, unless
otherwise noted. LVDS driver and receiver are compliant to the IEEE 1596 reduced range link, unless otherwise noted.
Table 1.
AD9785 AD9787 AD9788
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION 12 14 16 Bits
ACCURACY
Differential Nonlinearity (DNL) ±0.2 ±0.5 ±2.1 LSB
Integral Nonlinearity (INL) ±0.3 ±1.0 ±3.7 LSB
MAIN DAC OUTPUTS
Offset Error –0.001 0 +0.001 −0.001 0 +0.001 −0.001 0 +0.001 % FSR
Gain Error (with Internal Reference) ±2 ±2 ±2 % FSR
Full-Scale Output Current 8.66 20.2 31.66 8.66 20.2 31.66 8.66 20.2 31.66 mA
Output Compliance Range –1.0 +1.0 –1.0 +1.0 –1.0 +1.0 V
Output Resistance 10 10 10 MΩ
Gain DAC Monotonicity
Guaranteed
10 10 10 Bits
Settling Time, to Within ±0.5 LSBs 20 20 20 ns
MAIN DAC TEMPERATURE DRIFT
Offset 0.04 0.04 0.04 ppm/°C
Gain 100 100 100 ppm/°C
Reference Voltage 30 30 30 ppm/°C
AUX DAC OUTPUTS
Resolution 10 10 10 Bits
Full-Scale Output Current
1
–1.998 +1.998 –1.998 +1.998 –1.998 +1.998 mA
Output Compliance Range (Source) 0 1.6 0 1.6 0 1.6 V
Output Compliance Range (Sink) 0.8 1.6 0.8 1.6 0.8 1.6 V
Output Resistance 1 1 1 MΩ
Aux DAC Monotonicity Guaranteed 10 10 10 Bits
REFERENCE
Internal Reference Voltage 1.2 1.2 1.2 V
Output Resistance 5 5 5 kΩ
ANALOG SUPPLY VOLTAGES
AVDD33 3.13 3.3 3.47 3.13 3.3 3.47 3.13 3.3 3.47 V
CVDD18 1.70 1.8 1.90 1.70 1.8 1.90 1.70 1.8 1.90 V
DIGITAL SUPPLY VOLTAGES
DVDD33 3.13 3.3 3.47 3.13 3.3 3.47 3.13 3.3 3.47 V
DVDD18 1.70 1.8 1.90 1.70 1.8 1.90 1.70 1.8 1.90 V
POWER CONSUMPTION
1× Mode, f
DATA
= 100 MSPS,
PLL Off, IF = 2 MHz
375 450 375 450 375 450 mW
2× Mode, f
DATA
= 100 MSPS,
Inverse Sinc Off, PLL Off
533 533 533 mW
4× Mode, f
DATA
= 100 MSPS,
Inverse Sinc Off, PLL Off
754 754 754 mW
8× Mode, f
DATA
= 100 MSPS,
Inverse Sinc Off, PLL Off
1054 1054 1054 mW
Power-Down Mode 2.5 9.0 2.5 9.0 2.5 9.0 mW
OPERATING RANGE –40 +25 +85 –40 +25 +85 –40 +25 +85 °C
1
Based on a 10 Ω external resistor.