Cs8422 – Cirrus Logic CS8422 User Manual
Page 73
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DS692F2
73
CS8422
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2 .5k
22 .5 k
5k
7 .5 k
10 k
1 2. 5k
15 k
17 .5 k
2 0k
H z
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
Figure 50. Wideband FFT –
-60 dBFS 1 kHz Tone, 96 kHz:48 kHz
Figure 51. IMD –
10 kHz and 11 kHz -7 dBFS, 96 kHz:48 kHz
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2 k
2 2k
4 k
6k
8k
10 k
12 k
14 k
1 6k
1 8k
20 k
H z
Figure 52. Wideband FFT –
-60 dBFS 1 kHz Tone, 192 kHz:48 kHz
Figure 53. IMD –
10 kHz and 11 kHz -7 dBFS, 48 kHz:44.1 kHz
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
-2 00
+ 0
-1 90
-1 80
-1 70
-1 60
-1 50
-1 40
-1 30
-1 20
-1 10
-1 00
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
2. 5k
22 .5 k
5 k
7 .5 k
1 0k
12 .5 k
1 5k
1 7. 5k
2 0k
H z
Figure 54. IMD –
10 kHz and 11 kHz -7 dBFS, 44.1 kHz:48 kHz
Figure 55. Wideband FFT –
0 dBFS 20 kHz Tone, 44.1 kHz:48 kHz