Datasheet

Data Sheet AD9780/AD9781/AD9783
Rev. B | Page 13 of 32
IMD (dBc)
f
OUT
(MHz)
40
45
50
55
60
65
70
75
80
85
90
95
100
0 30 60 90 120 150 180 210 240
06936-023
–3dBFS
0dBFS
–6dBFS
Figure 23. AD9783 IMD vs. f
OUT
Over Digital Input Level, T
A
= 25°C, at
500 MSPS, FS = 20 mA
IMD (dBc)
f
OUT
(MHz)
40
45
50
55
60
65
70
75
80
85
90
95
100
0 30 60 90 120 150 180 210 240
06936-024
+25°C
–40°C
+85°C
Figure 24. AD9783 IMD vs. f
OUT
Over Temperature, at 500 MSPS, FS = 20 mA
–140
–170
–167
–164
–161
–158
–155
–152
–149
–146
–143
0 50 100 150 200 250 300 350 400 450 500
NSD (dBm/Hz)
f
OUT
(MHz)
06936-025
500MSPS
400MSPS
250MSPS
Figure 25. AD9783 One-Tone NSD vs. f
OUT
Over f
DAC
Baseband and Mix Modes,
FS = 20 mA
–140
–170
–167
–164
–161
–158
–155
–152
–149
–146
–143
0 50 100 150 200 250 300 350 400 450 500
NSD (dBm/Hz)
f
OUT
(MHz)
06936-026
500MSPS
400MSPS
250MSPS
Figure 26. AD9783 Eight-Tone NSD vs. f
OUT
Over f
DAC
Baseband and
Mix Modes, FS = 20 mA
–140
–170
–167
–164
–161
–158
–155
–152
–149
–146
–143
0 25 50 75
100
125 150 175
200
225 250
NSD (dBm/Hz)
f
OUT
(MHz)
06936-027
+25°C
–40°C
+85°C
Figure 27. AD9783 One-Tone NSD vs. f
OUT
Over Temperature, at 500 MSPS,
FS = 20 mA
–140
–170
–167
–164
–161
–158
–155
–152
–149
–146
–143
0 25 50 75
100
125 150 175
200
225 250
NSD (dBm/Hz)
f
OUT
(MHz)
06936-028
+25°C
–40°C
+85°C
Figure 28. AD9783 Eight-Tone NSD vs. f
OUT
Over Temperature, at 500 MSPS,
FS = 20 mA