AD9776A Analog Devices, AD9776A Datasheet - Page 17

• 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

100
100
100
90
80
70
60
50
90
80
70
60
50
90
80
70
60
50
0
0
0
f
Figure 12. AD9779A Out-of-Band SFDR vs. f
DATA
Figure 13. AD9779A Out-of-Band SFDR vs. f
Figure 14. AD9779A Out-of-Band SFDR vs. f
f
DATA
= 100MSPS
= 160MSPS
20
20
10
f
DATA
2× Interpolation
4× Interpolation
8× Interpolation
= 50MSPS
40
40
20
f
f
f
f
OUT
OUT
DATA
OUT
f
f
DATA
DATA
(MHz)
(MHz)
(MHz)
= 150MSPS
= 125MSPS
= 200MSPS
60
60
f
30
DATA
f
f
DATA
DATA
= 200MSPS
= 250MSPS
= 100MSPS
80
80
40
OUT
OUT
OUT
,
,
,
100
100
50
Rev. B | Page 17 of 56
100
100
100
90
80
70
60
50
90
80
70
60
50
90
80
70
60
50
0
0
0
4× Interpolation, f
–6dBFS
Figure 15. AD9779A In-Band SFDR vs. f
Figure 16. AD9779A In-Band SFDR vs. f
Figure 17. AD9779A In-Band SFDR vs. f
0dBFS
AD9776A/AD9778A/AD9779A
30mA
10
20
20
Output Full-Scale Current
10mA
Digital Full Scale
–3dBFS
DATA
f
f
f
OUT
OUT
OUT
20mA
= 100 MSPS, PLL On/Off
20
40
40
(MHz)
(MHz)
(MHz)
PLL OFF
PLL ON
30
60
60
OUT
OUT
OUT
,
,
,
40
80
80