Datasheet

ADAS3022 Data Sheet
Rev. B | Page 14 of 40
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
0 100 200 300 400 500
AMPLITUDE (dBFS)
FREQUENCY (kHz)
GAIN = 0.16
f
S
= 1000kSPS
f
IN
= 10.1kHz
SNR = 91.7dB
SINAD = 89.2dB
THD = –92.5dB
SFDR = 92.5dB
10516-121
Figure 18. 10 kHz FFT, PGIA Gain = 0.16
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
0 100 200 300 400 500
AMPLITUDE (dBFS)
FREQUENCY (kHz)
GAIN = 0.2
f
S
= 1000kSPS
f
IN
= 10.1kHz
SNR = 91.4dB
SINAD = 89.9dB
THD = –94.7dB
SFDR = 94.8dB
10516-122
Figure 19. 10 kHz FFT, PGIA Gain = 0.2
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
0 100 200 300 400 500
AMPLITUDE (dBFS)
FREQUENCY (kHz)
GAIN = 0.4
f
S
= 1000kSPS
f
IN
= 10.1kHz
SNR = 91.2dB
SINAD = 91.0dB
THD = –103dB
SFDR = 104dB
10516-123
Figure 20. 10 kHz FFT, PGIA Gain = 0.4
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
0
100 200 300 400 500
AMPLITUDE (dBFS)
FREQUENCY (kHz)
GAIN = 0.8
f
S
= 1000kSPS
f
IN
= 10.1kHz
SNR = 90.7dB
SINAD = 90.6dB
THD = –107dB
SFDR = 106dB
10516-124
Figure 21. 10 kHz FFT, PGIA Gain = 0.8
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
0 100 200 300 400 500
AMPLITUDE (dBFS)
FREQUENCY (kHz)
GAIN = 1.6
f
S
= 1000kSPS
f
IN
= 10.1kHz
SNR = 89.8dB
SINAD = 89.7dB
THD = –106dB
SFDR = 107dB
10516-125
Figure 22. 10 kHz FFT, PGIA Gain = 1.6
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
0 100 200 300
400 500
AMPLITUDE (dBFS)
FREQUENCY (kHz)
GAIN = 3.2
f
S
= 1000kSPS
f
IN
= 10.1kHz
SNR = 87.6dB
SINAD = 87.5dB
THD = –105dB
SFDR = 106dB
10516-126
Figure 23. 10 kHz FFT, PGIA Gain = 3.2