AD9778 Analog Devices, AD9778 Datasheet - Page 4

• Manufacturer Part Number: AD9778
• Description: Dual 14-Bit, 1 GSPS, Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9778

• Resolution (bits): 14bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9776/AD9778/AD9779
SPECIFICATIONS
DC SPECIFICATIONS
T
otherwise noted.
Table 1. AD9776, AD9778, and AD9779 DC Specifications
Parameter
RESOLUTION
ACCURACY
MAIN DAC OUTPUTS
MAIN DAC TEMPERATURE DRIFT
AUX DAC OUTPUTS
REFERENCE
ANALOG SUPPLY VOLTAGES
DIGITAL SUPPLY VOLTAGES
POWER CONSUMPTION
MIN
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
Offset Error
Gain Error (with Internal
Reference)
Full-Scale Output Current
Output Compliance Range
Output Resistance
Gain DAC Monotonicity
Offset
Gain
Reference Voltage
Resolution
Full-Scale Output Current
Output Compliance Range
(Source)
Output Compliance Range
(Sink)
Output Resistance
Aux DAC Monotonicity
Guaranteed
Internal Reference Voltage
Output Resistance
AVDD33
CVDD18
DVDD33
DVDD18
1× Mode, f
IF = 1 MHz
2× Mode, f
IF = 16 MHz, PLL Off
2× Mode, f
IF = 16 MHz, PLL On
4× Mode, f
f
IF = 137.5 MHz, Q DAC Off
DAC
to T
= 500 MSPS,
MAX
, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 =1.8 V,
DAC
DAC
DAC
DAC
/4 Modulation,
= 100 MSPS,
= 320 MSPS,
= 320 MSPS,
1
1
Min
−0.001
8.66
−1.0
−1.998
0
0.8
3.13
1.70
3.13
1.70
Guaranteed
AD9776
Typ
12
±0.1
±0.6
0
±2
20.2
10
0.04
100
30
10
1
1.2
5
3.3
1.8
3.3
1.8
250
498
588
572
Max
+0.001
31.66
+1.0
+1.998
1.6
1.6
3.47
1.90
3.47
1.90
300
Rev. A | Page 4 of 56
Min
−0.001
8.66
−1.0
−1.998
0
0.8
3.13
1.70
3.13
1.70
Guaranteed
AD9778
Typ
14
±0.65
0.04
30
5
3.3
1.8
250
498
588
572
±1
0
±2
20.2
10
100
10
1
1.2
3.3
1.8
I
OUTF
Max
+0.001
31.66
+1.0
+1.998
1.6
1.6
3.47
1.90
3.47
1.90
300
S
= 20 mA, maximum sample rate, unless
Min
−0.001
8.66
−1.0
−1.998
0
0.8
3.13
1.70
3.13
1.70
Guaranteed
AD9779
Typ
16
±2.1
±2
20.2
10
0.04
100
30
10
1
5
3.3
1.8
3.3
1.8
250
498
588
572
±3.7
0
1.2
Max
+0.001
31.66
+1.0
+1.998
1.6
1.6
3.47
1.90
3.47
1.90
300
Unit
Bits
LSB
LSB
% FSR
mA
MΩ
ppm/°C
ppm/°C
ppm/°C
Bits
mA
V
V
MΩ
kΩ
V
V
V
V
mW
mW
mW
mW
% FSR
V
V