Datasheet

AD9125
Rev. 0 | Page 13 of 56
–154
–168
–164
–166
–162
–160
–158
–156
0600500400300200100
NSD (dBm/Hz)
f
OUT
(MHz)
2×, f
DATA
= 250MSPS
4×, f
DATA
= 125MSPS
8×, f
DATA
= 125MSPS
09016-119
Figure 22. One-Tone NSD vs. f
OUT
over Interpolation Rate and f
DATA
, Digital
Scale = 0 dBFS, f
SC
= 20 mA, PLL Off
–154
–168
–164
–166
–162
–160
–158
–156
025020015010050
NSD (dBm/Hz)
f
OUT
(MHz)
0dBFS
–6dBFS
–12dBFS
–18dBFS
09016-120
Figure 23. One-Tone NSD vs. f
OUT
over Digital Scale, f
DATA
= 200 MSPS,
4× Interpolation, f
SC
= 20 mA, PLL Off
–158
–167
–165
–166
–164
–163
–161
–159
–162
–160
0600500400300200100
NSD (dBm/Hz)
f
OUT
(MHz)
8×, f
DATA
= 125MSPS
09016-121
Figure 24. One-Tone NSD vs. f
OUT
over Interpolation Rate and f
DATA
,
Digital Scale = 0 dBFS, f
SC
= 20 mA, PLL On
–160
–166
–165
–164
–163
–162
–161
0 50 100 150 200 250 300 350 400 500450
NSD (dBm/Hz)
f
OUT
(MHz)
2×, f
DATA
= 250MSPS
4×, f
DATA
= 125MSPS
8×, f
DATA
= 125MSPS
09016-122
Figure 25. Eight-Tone NSD vs. f
OUT
over Interpolation Rate and f
DATA
,
Digital Scale = 0 dBFS, f
SC
= 20 mA, PLL Off
–161.5
–162.0
–162.5
–163.0
–163.5
–164.0
–164.5
–165.0
–165.5
–166.0
–166.5
0 50 100 150 200 250
NSD (dBm/Hz)
f
OUT
(MHz)
–6dBFS
0dBFS
–12dBFS
–18dBFS
09016-123
Figure 26. Eight-Tone NSD vs. f
OUT
over Digital Scale, f
DATA
= 200 MSPS,
4× Interpolation, f
SC
= 20 mA, PLL Off
–160
–161
–162
–163
–164
–165
–167
–166
0 100 200 300 500400 600
NSD (dBm/Hz)
f
OUT
(MHz)
8×, f
DATA
= 125MSPS
09016-124
Figure 27. Eight-Tone NSD vs. f
OUT
over Interpolation Rate and f
DATA
,
Digital Scale = 0 dBFS, f
SC
= 20 mA, PLL On