Figure 17. fft (96 khz, no input), Figure 18. fft (96 khz out-of-band, no input), Figure 19. fft (96 khz, -60 db wideband) – Cirrus Logic CDB4365 User Manual
Page 11: Figure 20. fft (imd 96 khz), Figure 21. 96 khz, thd+n vs. input freq, Figure 22. 96 khz, thd+n vs. level, Cdb4365
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DS670DB3
11
CDB4365
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20k
120k
40k
60k
80k
100k
Hz
Figure 17. FFT (96 kHz, No Input)
Figure 18. FFT (96 kHz Out-of-Band, No Input)
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
40k
50
100
200
500
1k
2k
5k
10k
20k
Hz
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
2k
20k
4k
6k
8k
10k
12k
14k
16k
18k
Hz
Figure 19. FFT (96 kHz, -60 db Wideband)
Figure 20. FFT (IMD 96 kHz)
-120
+0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-120
+0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
-120
+0
-100
-80
-60
-40
-20
dBFS
Figure 21. 96 kHz, THD+N vs. Input Freq
Figure 22. 96 kHz, THD+N vs. Level
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