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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