AD9785 Analog Devices, AD9785 Datasheet - Page 18

• Manufacturer Part Number: AD9785
• Description: Dual 12-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO
• Manufacturer: Analog Devices

Specifications of AD9785

• Resolution (bits): 12bit
• Dac Update Rate: 800MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9785/AD9787/AD9788
Figure 36. AD9788 Out-of-Band SFDR vs. f
110
100
Figure 37. AD9788 In-Band SFDR vs. Digital Full-Scale Input,
90
80
70
60
50
80
75
70
65
60
55
50
90
85
80
75
70
65
60
55
50
Figure 35. AD9788 In-Band SFDR vs. f
0
0
0
10
10
10
2× Interpolation, f
20
20
20
30
30
30
100MSPS
100MSPS
f
f
f
40
40
OUT
OUT
OUT
0dBFS
40
DATA
(MHz)
(MHz)
(MHz)
50
50
–6dBFS
= 200 MSPS
150MSPS
150MSPS
50
OUT
60
60
OUT
, 4× Interpolation
–3dBFS
, 4× Interpolation
60
70
70
200MSPS
200MSPS
70
80
80
90
90
80
Rev. A | Page 18 of 64
Figure 40. AD9788 Out-of-Band SFDR vs. f
100
110
100
95
90
85
80
75
70
65
60
55
50
90
80
70
60
50
90
85
80
75
70
65
60
55
50
Figure 38. AD9788 In-Band SFDR vs. f
Figure 39. AD9788 In-Band SFDR vs. f
0
0
0
5
20
10
10
50MSPS
15
160MSPS
40
20
f
f
f
20
OUT
OUT
OUT
(MHz)
(MHz)
(MHz)
200MSPS
25
50MSPS
60
30
OUT
OUT
100MSPS
30
OUT
, 2× Interpolation
, 8× Interpolation
, 8× Interpolation
35
80
40
250MSPS
100MSPS
40
100
45
50