Datasheet

AD9125
Rev. 0 | Page 12 of 56
–50
–55
–60
–65
–70
–75
–80
–85
–90
0 50 100 150 200 250 300
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 125MSPS
f
DATA
= 250MSPS
09016-113
Figure 16. IMD vs. f
OUT
over f
DATA
, 2× Interpolation,
Digital Scale = 0 dBFS, f
SC
= 20 mA
–50
–55
–60
–65
–70
–75
–80
–85
–90
0 100 200 300 400 500 600
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 125MSPS
f
DATA
= 250MSPS
09016-114
Figure 17. IMD vs. f
OUT
over f
DATA
, 4× Interpolation,
Digital Scale = 0 dBFS, f
SC
= 20 mA
–50
–55
–60
–65
–70
–75
–80
–85
–90
0 100 200 300 400 500 600
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 125MSPS
09016-115
Figure 18. IMD vs. f
OUT
over f
DATA
, 8× Interpolation,
Digital Scale = 0 dBFS, f
SC
= 20 mA
–50
–55
–60
–65
–70
–75
–80
–85
–90
0 50 100 150 200 250 300
IMD (dBc)
f
OUT
(MHz)
0dBFS
–6dBFS
–12dBFS
–18dBFS
09016-116
Figure 19. IMD vs. f
OUT
over Digital Scale, 2× Interpolation,
f
DATA
= 250 MSPS, f
SC
= 20 mA
–50
–55
–60
–65
–70
–75
–80
–85
–90
0 50 100 150 200 250 300
IMD (dBc)
f
OUT
(MHz)
20mA
30mA
10mA
09016-117
Figure 20. IMD vs. f
OUT
over f
SC
, 2× Interpolation, f
DATA
= 250 MSPS,
Digital Scale = 0 dBFS
–40
–50
–45
–55
–60
–65
–70
–75
–80
–85
–90
0 50 100 150 200 250 300
IMD (dBc)
f
OUT
(MHz)
PLL OFF
PLL ON
09016-118
Figure 21. IMD vs. f
OUT
, PLL On vs. PLL Off