MSM7728 Datasheet, PDF (20/23 Pages) OKI electronic componets – Single Rail Linear CODEC

¡ Semiconductor
MSM7728
APPLICATION CIRCUIT
+V
Microphone _M
Speaker
Auxiliary
output
Sounder S
MSM7728
MAIN PCMOUT
MAO
PCMIN
* _SPKP
* _SPKN
BCLK
SYNC
* _EAR
PDN
RINGP
RINGN
+3 V
PCM output
PCM input
PCM shift clock input
8 kHz SYNC signal input
Reset input
"1" = Operation
"0" = Reset
LED
General latch
output
0V
+3 V
0 to 20 W
LED
LA
0.1 mF
SGC
AG
DG
10 mF
V_DD
DCLK
WRN
RDN
CDIN
CDOUT
Controller
* The analog output swings at a maximum of ±1.0 V above and below the V_DD/2 offset level.
20/23