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Cs8422 – Cirrus Logic CS8422 User Manual

Page 72

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72

DS692F2

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

5 k

45 k

1 0k

15 k

20 k

2 5k

30 k

3 5k

4 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 44. Wideband FFT –

0 dBFS 1 kHz Tone, 192 kHz:48 kHz

Figure 45. Wideband FFT –

-60 dBFS 1 kHz Tone, 48 kHz:96 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

10 k

90 k

2 0k

30 k

40 k

5 0k

60 k

7 0k

8 0k

H z

Figure 46. Wideband FFT –

-60 dBFS 1 kHz Tone, 48 kHz:48 kHz

Figure 47. Wideband FFT –

-60 dBFS 1 kHz Tone, 44.1 kHz:192 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 48. Wideband FFT –

-60 dBFS 1 kHz Tone, 44.1 kHz:48 kHz

Figure 49. Wideband FFT –

-60 dBFS 1 kHz Tone, 48 kHz:44.1 kHz