AD9781 Analog Devices, AD9781 Datasheet - Page 11

• Manufacturer Part Number: AD9781
• Description: Dual 14-Bit, LVDS Interface 500 MSPS DAC
• Manufacturer: Analog Devices

Specifications of AD9781

• Resolution (bits): 14bit
• Dac Update Rate: 500MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

Figure 18. AD9783 SFDR vs. f
Figure 17. AD9783 SFDR vs. f
100
100
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
45
40
0
Figure 19. AD9783 SFDR vs. f
0
0
–6dBFS
50
25
25
100
T
50
50
A
= 25°C, at 500 MSPS, FS = 20 mA
250MSPS
20mA
150
75
75
OUT
–3dBFS
0dBFS
OUT
200
Over Analog Output, T
100
100
FS = 20 mA
f
f
f
Over f
OUT
OUT
OUT
400MSPS
500MSPS
250
125
125
OUT
(MHz)
(MHz)
(MHz)
DAC
Over Digital Input Level,
300
10mA
150
150
in Baseband and Mix Modes,
350
175
175
30mA
A
400
200
200
= 25°C, at 500 MSPS
450
225
225
500
250
250
Rev. A | Page 11 of 36
Figure 20. AD9783 SFDR vs. f
Figure 22. AD9783 IMD vs. f
Figure 21. AD9783 IMD vs. f
100
100
100
95
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
45
40
95
90
85
80
75
70
65
60
55
50
45
40
0
0
0
400MSPS
+85°C
25
25
50
100
50
50
30mA
+25°C
250MSPS
500MSPS
150
75
75
OUT
OUT
AD9780/AD9781/AD9783
OUT
Over Analog Output, T
Over Temperature, at 500 MSPS, FS = 20 mA
100
100
200
FS = 20 mA
10mA
Over f
f
f
f
OUT
OUT
OUT
125
125
250
(MHz)
(MHz)
(MHz)
20mA
DAC
150
in Baseband and Mix Modes,
150
300
175
175
350
–40°C
A
200
200
400
= 25°C, at 500 MSPS
225
225
450
250
250
500