Datasheet

AD9430
Rev. E | Page 17 of 44
dB
0
–10
–20
–30
–40
–60
–70
–80
–90
–50
–100
0 15 30 45 60 75 90 105
MHz
SNR = 63.5dB
SINAD = 62.6dB
H2 = –79dBc
H3 = –76.1dBc
SFDR = 75.2dBc
02607-018
Figure 18. FFT: f
s
= 210 MSPS, A
IN
= 65 MHz @ –0.5 dBFS, LVDS Mode
A
IN
(MHz)
dB
85
80
75
70
65
60
55
50
45
40
0 100 150 250 35050 200 300 400
SFDR
SNR
SINAD
FULL SCALE = 1.5
02607-019
Figure 19. SNR, SINAD, and SFDR vs. A
IN
Frequency, f
S
= 210 MSPS,
A
IN
@ –0.5 dBFS, LVDS Mode
A
IN
(MHz)
0 200 40050 100 150 250 300 350
dB
100
40
90
50
80
70
60
SECOND
THIRD
SFDR
02607-020
Figure 20. Harmonic Distortion (2
nd
and 3
rd
)
and SFDR vs. A
IN
Frequency
0 153045607590105
dB
0
–60
–90
–40
–20
–70
–30
–10
–50
MHz
–80
–100
SNR = 63.3dB
SINAD = 63.1dB
H2 = –80.38dBc
H3 = –81.8dBc
SFDR = 80.8dBc
02607-021
Figure 21. FFT: f
s
= 213 MSP, A
IN
= 100 MHz @ –0.5 dBFS, LVDS Mode
A
IN
(MHz)
dB
85
80
75
70
65
60
55
50
45
40
0 100 150 250 35050 200 300 400
SINAD
SNR
FULL SCALE = 0.75
02607-022
Figure 22. SNR and SINAD vs. A
IN
Frequency, f
s
= 210 MSPS,
A
IN
@ –0.5 dBFS, LVDS Mode, Full Scale = 0.76 V
A
IN
(MHz)
0 200 40050 100 150 250 300 350
dB
100
40
90
50
80
70
60
SECOND
THIRD
SFDR
02607-023
Figure 23. Harmonic Distortion (2
nd
and 3
rd
) and
SFDR vs. A
IN
Frequency, f
s
= 170 MSPS, CMOS Mode