AD9781 Analog Devices, AD9781 Datasheet - Page 3

• Manufacturer Part Number: AD9781
• Description: Dual 14-Bit, LVDS Interface 500 MSPS DAC
• Manufacturer: Analog Devices

Specifications of AD9781

• Resolution (bits): 14bit
• Dac Update Rate: 500MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

SPECIFICATIONS
DC SPECIFICATIONS
T
otherwise noted.
Table 1.
Parameter
RESOLUTION
ACCURACY
MAIN DAC OUTPUTS
MAIN DAC TEMPERATURE DRIFT
AUX DAC OUTPUTS
REFERENCE
ANALOG SUPPLY VOLTAGES
DIGITAL SUPPLY VOLTAGES
POWER CONSUMPTION
SUPPLY CURRENTS
1
2
Based on a 10 kΩ external resistor.
f
MIN
DAC
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
Offset Error
Gain Error (with Internal Reference)
Full-Scale Output Current
Output Compliance Range
Output Resistance
Main DAC Monotonicity Guaranteed
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
f
f
Power-Down Mode
AVDD33
CVDD18
DVDD33
DVDD18
DAC
DAC
= 500 MSPS, f
to T
= 500 MSPS, IF = 20 MHz
= 500 MSPS, IF = 10 MHz
MAX
, AVDD33 = 3.3 V, DVDD33 = 3.3 V, DVDD18 = 1.8 V, CVDD18 = 1.8 V, I
OUT
= 20 MHz.
2
1
Min
–0.001
8.66
–1.0
–2
0
0.8
3.13
1.70
3.13
1.70
AD9780
Typ
12
±0.13
0
±2
20.2
0.04
100
30
10
5
3.3
1.8
3.3
1.8
55
34
13
68
±0.25
10
1
1.2
V × I
440
3
Rev. A | Page 3 of 36
Max
+0.001
31.66
+1.0
+2
1.6
1.6
3.47
1.90
3.47
1.90
V × I
5
58
38
15
85
Min
–0.001
8.66
–1.0
–2
0
0.8
3.13
1.70
3.13
1.70
AD9781
±0.5
0
100
13
68
Typ
14
±1
±2
20.2
10
0.04
30
10
1
1.2
5
3.3
1.8
3.3
1.8
V × I
440
3
55
34
OUTFS
Max
+0.001
31.66
+1.0
+2
1.6
1.6
3.47
1.90
3.47
1.90
V × I
5
58
38
15
85
= 20 mA maximum sample rate, unless
AD9780/AD9781/AD9783
Min
–0.001
8.66
–1.0
–2
0
0.8
3.13
1.70
3.13
1.70
AD9783
Typ
16
±2
±4
0
±2
20.2
10
0.04
100
30
10
1
1.2
5
3.3
1.8
3.3
1.8
V × I
440
3
55
34
13
68
Max
+0.001
31.66
+1.0
+2
1.6
1.6
3.47
1.90
3.47
1.90
V × I
35
58
38
15
85
Unit
Bits
LSB
% FSR
% FSR
mA
MΩ
ppm/°C
ppm/°C
ppm/°C
Bits
mA
V
V
MΩ
kΩ
V
V
V
V
mW
mW
mW
mA
mA
mA
mA
LSB
V
V