
AD9785/AD9787/AD9788
Rev. A | Page 18 of 64
50
60
70
80
90
100
110
010
2030
40
506070
8090
07
09
8-
0
95
fOUT (MHz)
S
F
DR
(
d
B)
100MSPS
150MSPS
200MSPS
Figure 35. AD9788 In-Band SFDR vs. fOUT, 4× Interpolation
50
55
60
65
70
75
80
010
2030
40
506070
8090
07
09
8-
0
96
fOUT (MHz)
S
F
DR
(
d
B)
150MSPS
200MSPS
100MSPS
Figure 36. AD9788 Out-of-Band SFDR vs. fOUT, 4× Interpolation
55
60
65
70
75
80
85
90
0
10203040
50607080
50
07
09
8-
09
7
fOUT (MHz)
S
F
DR
(
d
B)
–6dBFS
0dBFS
–3dBFS
Figure 37. AD9788 In-Band SFDR vs. Digital Full-Scale Input,
2× Interpolation, fDATA = 200 MSPS
50
55
60
65
70
75
80
85
90
95
100
0
204060
80
100
250MSPS
07
09
8-
0
98
fOUT (MHz)
S
F
DR
(
d
B
)
200MSPS
160MSPS
Figure 38. AD9788 In-Band SFDR vs. fOUT, 2× Interpolation
50
60
70
80
90
100
110
0
10
2030
4050
50MSPS
100MSPS
07
09
8-
0
99
fOUT (MHz)
SF
D
R
(d
B
)
Figure 39. AD9788 In-Band SFDR vs. fOUT, 8× Interpolation
50
55
60
65
70
75
80
85
90
0
5
10
15
20
25
30
35
40
45
07
09
8-
1
00
fOUT (MHz)
S
F
DR
(
d
B)
50MSPS
100MSPS
Figure 40. AD9788 Out-of-Band SFDR vs. fOUT, 8× Interpolation