AD9785/AD9787/AD9788
Rev. A | Page 13 of 64
TYPICAL PERFORMANCE CHARACTERISTICS
–170
0
100
fOUT (MHz)
NS
D
(
d
Bm/
H
z)
–142
20
40
60
80
–166
–162
–158
–154
–146
07
09
8-
06
4
–150
1×
2×
4×
Figure 5. AD9785 Noise Spectral Density vs. fOUT, Multitone Input,
fDATA = 200 MSPS
–170
0
100
fOUT (MHz)
NS
D
(
d
Bm/
H
z)
–142
20
40
60
80
–166
–162
–158
–154
–150
–146
07
09
8-
06
5
1×
4×
2×
Figure 6. AD9785 Noise Spectral Density vs. fOUT, Single-Tone Input,
fDATA = 200 MSPS
–90
0
260
fOUT (MHz)
ACL
R
(
d
Bc)
–55
20
40
60
80 100 120 140 160 180 200 220 240
–85
–80
–75
–70
–65
–60
07
09
8-
06
6
FIRST ADJ CHAN
THIRD ADJ CHAN
SECOND ADJ CHAN
Figure 7. AD9785 ACLR, 4× Interpolation, fDATA = 122.88 MSPS
50
0
100
fOUT (MHz)
S
F
DR
(
d
B)
100
20
40
60
80
55
60
65
70
75
80
85
90
95
07
09
8-
06
7
250 MSPS
160 MSPS
200 MSPS
Figure 8. AD9785 In-Band SFDR vs. fOUT, 2× Interpolation
50
0
400
fOUT (MHz)
IM
D
(
d
Bc)
100
40
80
120
160
200
240
280
320
360
60
70
80
90
07
09
8-
0
68
100 MSPS
200 MSPS
150 MSPS
Figure 9. AD9785 IMD vs. fOUT, 4× Interpolation
07
098
-06
9
fOUT (MHz)
ACL
R
(
d
Bc)
–90
–85
–80
–75
–70
–65
–60
–55
0
20
40
60
80 100 120 140 160 180 200 220 240 260
THIRD ADJ CHAN
FIRST ADJ CHAN
SECOND ADJ CHAN
Figure 10. AD9787 ACLR, 4× Interpolation, fDATA = 122.88 MSPS