Analog volume non-linearity (dnl & inl), Figure 23. pga step size vs. volume setting, Figure 24. pga output volume vs. volume setting – Cirrus Logic CS42L55 User Manual

Page 69: Figure 25. hp/line step size vs. volume setting, Figure 25, Fer to

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DS773F1

69

CS42L55

8. ANALOG VOLUME NON-LINEARITY (DNL & INL)

PGA Volume Setting

Actual Output Volume,

dB

-8

-6

-4

-2

0

2

4

6

8

10

12

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10 11 12

PGA Volume Setting

Actu

al St

ep Size,

dB

0.4

0.42

0.44

0.46

0.48

0.5

0.52

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10 11

Figure 23. PGA Step Size vs. Volume Setting

Figure 24. PGA Output Volume vs. Volume Setting

HP/Line Volume Setting

Actual

Step Size

, dB

0

0.2

0.4

0.6

0.8

1

-60

-50

-40

-30

-20

-10

0

+10

+20

H P / L i n e V o l u m e S e t t i n g

Actua

l Outpu

t Volume

, dB

- 6 0

- 5 0

- 4 0

- 3 0

- 2 0

- 1 0

0

1 0

- 6 0

- 5 0

- 4 0

- 3 0

- 2 0

- 1 0

0

1 0

2 0

Figure 25. HP/Line Step Size vs. Volume Setting

Figure 26. HP/Line Output Volume vs. Volume Setting

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