Datasheet

AD9122
Rev. B | Page 13 of 60
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0 50 100 150 200 250 300 350 400 450
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 250MSPS
f
DATA
= 400MSPS
08281-113
Figure 16. IMD vs. f
OUT
over f
DATA
, 2× Interpolation,
Digital Scale = 0 dBFS, I
FS
= 20 mA
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0 50 100 150 200 250 300 350 400 450
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 100MSPS
f
DATA
= 200MSPS
08281-114
Figure 17. IMD vs. f
OUT
over f
DATA
, 4× Interpolation,
Digital Scale = 0 dBFS, I
FS
= 20 mA
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0 50 100 150 200 250 300 350 400 450
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 100MSPS
08281-115
Figure 18. IMD vs. f
OUT
, 8× Interpolation, f
DATA
= 100 MSPS,
Digital Scale = 0 dBFS, I
FS
= 20 mA
0
–90
–80
–70
–60
–50
–40
–30
–20
–10
0 50 100 150 200 250 300 350 400 450
IMD (dBc)
f
OUT
(MHz)
08281-116
–6dBFS
0dBFS
–12dBFS
–18dBFS
Figure 19. IMD vs. f
OUT
over Digital Scale, 2× Interpolation,
f
DATA
= 400 MSPS, I
FS
= 20 mA
–
50
–85
–80
–75
–70
–65
–60
–55
0 50 100 150 200 250 300 350 400 450
IMD (dBc)
f
OUT
(MHz)
I
FS
= 20mA
I
FS
= 30mA
I
FS
= 10mA
08281-117
Figure 20. IMD vs. f
OUT
over I
FS
, 2× Interpolation,
f
DATA
= 400 MSPS, Digital Scale = 0 dBFS
–
40
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
0 50 100 150 200 250 300 350 400 450
IMD (dBc)
f
OUT
(MHz)
PLL OFF
PLL ON
08281-118
Figure 21. IMD vs. f
OUT
, 4× Interpolation, f
DATA
= 200 MSPS,
Digital Scale = 0 dBFS, I
FS
= 20 mA, PLL On and PLL Off