Datasheet

Data Sheet AD9780/AD9781/AD9783
Rev. B | Page 3 of 32
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.
Table 1.
AD9780 AD9781 AD9783
Parameter Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION
12
14
16
Bits
ACCURACY
Differential Nonlinearity (DNL) ±0.13 ±0.5 ±2 LSB
Integral Nonlinearity (INL) ±0.25 ±1 ±4 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
1
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
Main DAC Monotonicity Guaranteed
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
–2
+2
–2
+2
–2
+2
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
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
f
DAC
= 500 MSPS, IF = 20 MHz V × I V × I V × I V × I V × I V × I mW
f
DAC
= 500 MSPS, IF = 10 MHz 440 440 440 mW
Power-Down Mode 3 5 3 5 3 35 mW
SUPPLY CURRENTS
2
AVDD33 55 58 55 58 55 58 mA
CVDD18 34 38 34 38 34 38 mA
DVDD33 13 15 13 15 13 15 mA
DVDD18 68 85 68 85 68 85 mA
1
Based on a 10 kΩ external resistor.
2
f
DAC
= 500 MSPS, f
OUT
= 20 MHz.