AD9776A Analog Devices, AD9776A Datasheet - Page 22

• Manufacturer Part Number: AD9776A
• Description: Dual 12-Bit, 1 GSPS, Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9776A

• Resolution (bits): 12bit
• 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

AD9776A/AD9778A/AD9779A
–150
–154
–158
–162
–166
–170
–150
–154
–158
–162
–166
–170
–0.1
–0.2
–0.3
–0.4
0.4
0.3
0.2
0.1
for Eight-Tone Input with 500 kHz Spacing, f
0
0
0
0
with Single-Tone Input at −6 dBFS, f
Figure 42. AD9778A Noise Spectral Density vs. f
Figure 43. AD9778A Noise Spectral Density vs. f
f
DAC
512
= 200MSPS
20
20
Figure 44. AD9776A Typical INL
1024
f
DAC
f
DAC
= 200MSPS
1536
= 800MSPS
40
40
f
f
OUT
OUT
CODE
2048
(MHz)
(MHz)
f
DAC
f
DAC
f
60
60
DAC
= 800MSPS
2560
= 400MSPS
DATA
= 400MSPS
DATA
= 200 MSPS
3072
80
80
= 200 MSPS
3584
OUT
OUT
4096
100
100
Rev. B | Page 22 of 56
–0.05
–0.10
–0.15
–0.20
0.20
0.15
0.10
0.05
100
100
95
90
85
80
75
70
65
60
55
50
90
80
70
60
50
0
0
0
0
40
512
Figure 47. AD9776A In-Band SFDR vs. f
f
DATA
80
20
Figure 45. AD9776A Typical DNL
Figure 46. AD9776A IMD vs. f
1024
= 200MSPS
f
120
DATA
4× Interpolation
2× Interpolation
1536
4× 100MSPS
4× 150MSPS
= 160MSPS
160
40
f
f
OUT
OUT
CODE
2048
200
(MHz)
(MHz)
f
240
DATA
60
2560
= 250MSPS
280
OUT
3072
,
4× 200MSPS
320
OUT
80
,
3584
360
4096
400
100