AD9779 Analog Devices, AD9779 Datasheet - Page 16

• 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

AD9776/AD9778/AD9779
Figure 12. AD9779 Out-of-Band SFDR vs. f
Figure 13. AD9779 Out-of-Band SFDR vs. f
Figure 14. AD9779 Out-of-Band SFDR vs. f
100
100
100
90
80
70
60
50
90
80
70
60
50
90
80
70
60
50
0
0
0
f
DATA
f
DATA
= 100MSPS
= 160MSPS
20
20
10
f
DATA
= 50MSPS
40
40
20
f
f
f
f
OUT
DATA
OUT
OUT
f
f
DATA
DATA
(MHz)
(MHz)
(MHz)
= 150MSPS
= 125MSPS
= 200MSPS
60
60
f
30
DATA
OUT
OUT
OUT
f
f
DATA
DATA
= 200MSPS
, 2× Interpolation
, 4× Interpolation
, 8× Interpolation
= 250MSPS
= 100MSPS
80
80
40
100
100
50
Rev. A | Page 16 of 56
Figure 17. AD9779 In-Band SFDR vs. Output Full-Scale Current
100
100
100
Figure 16. AD9779 In-Band SFDR vs. Digital Full-Scale Input
90
80
70
60
50
90
80
70
60
50
90
80
70
60
50
0
0
0
Figure 15. AD9779 In-Band SFDR, 4× Interpolation,
–6dBFS
0dBFS
f
DATA
30mA
10
20
20
10mA
= 100 MSPS, PLL On/Off
–3dBFS
f
f
f
OUT
OUT
OUT
20mA
20
40
40
(MHz)
(MHz)
(MHz)
PLL OFF
PLL ON
30
60
60
4
8
8
0
0
0