Cirrus Logic CS43L22 - Manual (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
1.6 1.9 2.2 2.5 2.8 3.1 3.4 3.7 4 4.3 4.6 4.9
Uncompensated
PWM Output
Level
Battery Compensated
PWM Output Level
VP Supply (V)
PW
M Outpu
t Level
(d
B
)
Figure 11. Battery Compensation