AD9776A Analog Devices, AD9776A Datasheet - Page 18

• 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
100
100
100
90
80
70
60
50
90
80
70
60
50
90
80
70
60
50
0
0
0
f
20
40
Figure 18. AD9779A Third-Order IMD vs. f
Figure 19. AD9779A Third-Order IMD vs. f
DATA
Figure 20. AD9779A Third-Order IMD vs. f
f
DATA
20
40
= 100MSPS
80
= 250MSPS
f
DATA
60
120
f
DATA
40
= 200MSPS
1× Interpolation
2× Interpolation
4× Interpolation
80
160
= 160MSPS
f
f
100 120 140 160 180 200 220
OUT
f
OUT
OUT
f
DATA
200
60
(MHz)
(MHz)
(MHz)
f
= 160MSPS
DATA
f
DATA
240
f
= 150MSPS
DATA
80
= 200MSPS
f
DATA
280
= 200MSPS
= 250MSPS
320
100
OUT
OUT
OUT
,
,
,
360
120
400
Rev. B | Page 18 of 56
100
100
100
90
80
70
60
50
95
90
85
80
75
70
65
60
55
50
90
80
70
60
50
0
0
Over 50 Parts, 4× Interpolation, f
4× Interpolation, f
20
40
Figure 21. AD9779A Third-Order IMD vs. f
Figure 22. AD9779A Third-Order IMD vs. f
Figure 23. AD9779A Third-Order IMD vs. f
f
DATA
40
80
= 50MSPS
120
60
8× Interpolation
PLL ON
160
80
DATA
f
f
f
f
OUT
OUT
DATA
OUT
PLL OFF
= 100 MSPS, PLL On/Off
100
200
f
(MHz)
(MHz)
DATA
(MHz)
= 125MSPS
120
240
= 75MSPS
DATA
140
280
= 200 MSPS
f
DATA
160
320
= 100MSPS
OUT
OUT
OUT
,
,
,
180
360
200
400