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Cs8422 – Cirrus Logic CS8422 User Manual

Page 79

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DS692F2

79

CS8422

-1 8 0

-1 0 0

-1 7 5

-1 7 0

-1 6 5

-1 6 0

-1 5 5

-1 5 0

-1 4 5

-1 4 0

-1 3 5

-1 3 0

-1 2 5

-1 2 0

-1 1 5

-1 1 0

-1 0 5

d

B

F

S

0

2 0 k

2 k

4 k

6 k

8 k

1 0 k

1 2 k

1 4 k

1 6 k

1 8 k

H z

-1 8 0

-1 0 0

-1 7 5

-1 7 0

-1 6 5

-1 6 0

-1 5 5

-1 5 0

-1 4 5

-1 4 0

-1 3 5

-1 3 0

-1 2 5

-1 2 0

-1 1 5

-1 1 0

-1 0 5

d

B

F

S

0

2 0 k

2 k

4 k

6 k

8 k

1 0 k

1 2 k

1 4 k

1 6 k

1 8 k

H z

Figure 86. THD+N vs. Input Frequency –

0 dBFS, 48 kHz:44.1 kHz

Figure 87. THD+N vs. Input Frequency –

0 dBFS, 48 kHz:96 kHz

-1 8 0

-1 0 0

-1 7 5

-1 7 0

-1 6 5

-1 6 0

-1 5 5

-1 5 0

-1 4 5

-1 4 0

-1 3 5

-1 3 0

-1 2 5

-1 2 0

-1 1 5

-1 1 0

-1 0 5

d

B

F

S

0

2 0 k

2 k

4 k

6 k

8 k

1 0 k

1 2 k

1 4 k

1 6 k

1 8 k

H z

-1 8 0

-1 0 0

-1 7 5

-1 7 0

-1 6 5

-1 6 0

-1 5 5

-1 5 0

-1 4 5

-1 4 0

-1 3 5

-1 3 0

-1 2 5

-1 2 0

-1 1 5

-1 1 0

-1 0 5

d

B

F

S

0

2 0 k

2 k

4 k

6 k

8 k

1 0 k

1 2 k

1 4 k

1 6 k

1 8 k

H z

Figure 88. THD+N vs. Input Frequency –

0 dBFS, 44.1 kHz:48 kHz

Figure 89. THD+N vs. Input Frequency –

0 dBFS, 96 kHz:48 kHz

Figure 90. Total Power Supply Current vs. Differential

Mode Receiver Input Sample Frequency

VL = 1.8V

VL = 2.5V

VL = 3.3V

VL = 5V