Cirrus-logic CS42L56 Manual do Utilizador descarregar pdf (Página 88)

88 DS851F2

CS42L56

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

PGA Volume Setting

Actual Output Volume, dB

-8

-6

-4

-2

-6-5-4-3-2-10123456789101112

PGA Volume Setting

Actual Step 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 37. PGA Step Size vs. Volume Setting Figure 38. PGA Output Volume vs. Volume Setting

HP/Line Volume Setting

Actual Step Size, dB

0.2

0.4

0.6

0.8

-60 -50 -40 -30 -20 -10 0 +10 +20

H P /L ine V o lu m e S ettin g

Actual Output Volume, dB

-60

-50

-40

-30

-20

-10

-60-50-40-30-20-10 0 10 20

Figure 39. HP/Line Step Size vs. Volume Setting Figure 40. HP/Line Output Volume vs. Volume Setting

1 2 ... 83 84 85 86 87 88 89 90 91 92

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Cirrus-logic CS42L56 Manual do Utilizador Página 88