Figure 20. impulse response, fs = 96 khz, Figure 23. fft 0 dbfs, fs = 192 khz, Figure 24. fft -60 dbfs, fs = 192 khz – Cirrus Logic CDB4349 User Manual
Page 10: Cdb4349
10
DS782DB1
CDB4349
-2
2
-1.75
-1.5
-1.25
-1
-750m
-500m
-250m
0
250m
500m
750m
1
1.25
1.5
1.75
V
0
1.5m
250u
500u
750u
1m
1.25m
sec
-40
+40
-35
-30
-25
-20
-15
-10
-5
+0
+5
+10
+15
+20
+25
+30
+35
d
B
r
A
-140
+0
-120
-100
-80
-60
-40
-20
dBFS
Figure 19. Fade-to-Noise Linearity 1 kHz, FS = 96 kHz
Figure 20. Impulse Response, FS = 96 kHz
-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
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 21. FFT Crosstalk Ch. A to Ch. B 1 kHz,
FS = 96 kHz
Figure 22. FFT Crosstalk Ch. B to Ch. A 1 kHz,
FS = 96 kHz
-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
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 23. FFT 0 dBFS, FS = 192 kHz
Figure 24. FFT -60 dBFS, FS = 192 kHz