Datasheet

AD9785/AD9787/AD9788
Rev. A | Page 17 of 64
2×
4×
8×
07098-089
f
OUT
(MHz)
NSD (dBm/Hz)
–170
–166
–162
–158
–154
–150
–146
–
142
01020304050
Figure 29. AD9788 Noise Spectral Density vs. f
OUT
, Single-Tone Input,
f
DATA
= 100 MSPS
1×
2×
4×
07098-090
f
OUT
(MHz)
NSD (dBm/Hz)
–170
–166
–162
–158
–154
–150
–146
–
142
020406080100
Figure 30. AD9788 Noise Spectral Density vs. f
DAC
, Eight-Tone Input
with 500 kHz Spacing, f
DATA
= 200 MSPS
1×
2×
4×
07098-091
f
OUT
(MHz)
NSD (dBm/Hz)
–170
–166
–162
–158
–154
–150
–146
–
142
020406080100
Figure 31. AD9788 Noise Spectral Density vs. f
DAC
, Full-Scale Single-Tone
Input at −6 dB, f
DATA
= 200 MSPS
55
60
65
70
75
80
85
250MSPS
07098-092
f
OUT
(MHz)
SFDR (dB)
50
90
020406080100
160MSPS
200MSPS
Figure 32. AD9788 In-Band SFDR vs. f
OUT
, 1× Interpolation
50
55
60
65
70
75
80
0102030405060708090100
07098-093
f
OUT
(MHz)
SFDR (dB)
250MSPS
200MSPS
160MSPS
Figure 33. AD9788 Out-of-Band SFDR vs. f
OUT
, 2× Interpolation
20mA
50
55
60
65
70
75
80
85
90
95
30mA
0 1020304050607080
07098-094
f
OUT
(MHz)
SFDR (dB)
10mA
Figure 34. AD9788 In-Band SFDR vs. Full-Scale Output Current,
2× Interpolation, f
DATA
= 200 MSPS