Datasheet

AD9785/AD9787/AD9788
Rev. A | Page 13 of 64
TYPICAL PERFORMANCE CHARACTERISTICS
–170
0 100
f
OUT
(MHz)
NSD (dBm/Hz)
–
142
20 40 60 80
–166
–162
–158
–154
–146
07098-064
–150
1×
2×
4×
Figure 5. AD9785 Noise Spectral Density vs. f
OUT
, Multitone Input,
f
DATA
= 200 MSPS
–170
0 100
f
OUT
(MHz)
NSD (dBm/Hz)
–
142
20 40 60 80
–166
–162
–158
–154
–150
–146
07098-065
1×
4×
2×
Figure 6. AD9785 Noise Spectral Density vs. f
OUT
, Single-Tone Input,
f
DATA
= 200 MSPS
–90
0 260
f
OUT
(MHz)
ACLR (dBc)
–
55
20 40 60 80 100 120 140 160 180 200 220 240
–85
–80
–75
–70
–65
–60
07098-066
FIRST ADJ CHAN
THIRD ADJ CHAN
SECOND ADJ CHAN
Figure 7. AD9785 ACLR, 4× Interpolation, f
DATA
= 122.88 MSPS
50
0 100
f
OUT
(MHz)
SFDR (dB)
100
20 40 60 80
55
60
65
70
75
80
85
90
95
07098-067
250 MSPS
160 MSPS
200 MSPS
Figure 8. AD9785 In-Band SFDR vs. f
OUT
, 2× Interpolation
50
0 400
f
OUT
(MHz)
IMD (dBc)
100
40 80 120 160 200 240 280 320 360
60
70
80
90
07098-068
100 MSPS
200 MSPS
150 MSPS
Figure 9. AD9785 IMD vs. f
OUT
, 4× Interpolation
07098-069
f
OUT
(MHz)
ACLR (dBc)
–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, f
DATA
= 122.88 MSPS