AT8xC51SND2C
Audio DAC and PA Connection
Figure 151. DAC and PA Connection
PAINN
Audio Dac and
PA Connection
3V from LDO
C17
VDD
AUDVSS
AUDVSS
AUDVBAT
CBP
Battery
3.2V
to
5.5V
C16
VSS
3V from LDO
AUDVDD
C7
HPP
AUDVSS
C18
8 Ohm
Loud Speaker
AUDVSS
HPN
HSVDD
C19
LPHN
R1
C15
HSVSS
C9
PAINP
MONOP
MONON
LINER
AUDVREF
AUDVCM
VSS
C11
AUDVSS
C12
C8
C3
R
L
Stereo
Line Input
LINEL
mono input
(+)
Mono
AUXP
AUXN
HSR
Differential
Input
AUDVSS
mono input
(-)
C1
C6
C4
32 Ohm
32 Ohm
32 Ohm
C5
Headset
HSL
or Line Out
INGND
AUDVSS
C10
AUDVSS
VSS
VSS
ESDVSS
ESDVSS
211
4341D–MP3–04/05