AD9779 Analog Devices, AD9779 Datasheet - Page 17

• Manufacturer Part Number: AD9779
• Description: Dual 16-Bit, 1 GSPS, Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9779

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

100
100
Figure 18. AD9779 Third-Order IMD vs. f
Figure 19. AD9779 Third-Order IMD vs. f
Figure 20. AD9779 Third-Order IMD vs. f
100
90
80
70
60
50
90
80
70
60
50
90
80
70
60
50
0
0
0
f
20
40
f
DATA
DATA
20
40
= 100MSPS
80
= 250MSPS
f
DATA
60
120
f
DATA
40
= 200MSPS
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
OUT
OUT
OUT
= 150MSPS
DATA
80
= 200MSPS
f
DATA
280
, 1× Interpolation
, 2× Interpolation
, 4× Interpolation
= 200MSPS
= 250MSPS
320
100
360
120
400
Rev. A | Page 17 of 56
Figure 23. AD9779 Third-Order IMD vs. f
100
Figure 22. AD9779 Third-Order IMD vs. f
100
100
Figure 21. AD9779 Third-Order IMD vs. f
90
80
70
60
50
95
90
85
80
75
70
65
60
55
50
90
80
70
60
50
0
0
40
20
f
f
DATA
DATA
40
80
= 100 MSPS, PLL On vs. PLL Off
= 50MSPS
120
60
AD9776/AD9778/AD9779
f
PLL ON
DATA
160
80
= 200 MSPS
f
f
f
f
OUT
OUT
OUT
DATA
PLL OFF
100
200
f
(MHz)
(MHz)
DATA
(MHz)
OUT
= 125MSPS
, over 50 Parts,4× Interpolation,
240
120
= 75MSPS
OUT
OUT
140
280
, 4× Interpolation,
, 8× Interpolation
f
DATA
160
320
= 100MSPS
180
360
200
400