Cirrus-logic CS43L22 Manuel d'utilisateur télécharger pdf (Page 28)

28 DS792F2

CS43L22

Confidential Draft

3/4/10

Referenced Control Register Location

VPREF ................................

SPKxVOL............................

“VP Reference” on page 57

“Speaker Volume Control” on page 52

-24

-22

-20

-18

-16

-14

-12

-10

-8

-6

1.61.92.22.52.83.13.43.744.34.64.9

Uncompensated

PWM Output

Level

Battery Compensated

PWM Output Level

VP Supply (V)

PWM Output Level (dB)

Figure 11. Battery Compensation

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 65 66

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Cirrus-logic CS43L22 Manuel d'utilisateur Page 28