SA5752 Datasheet, PDF (7/13 Pages) NXP Semiconductors – Audio processor - companding, VOX and amplifier section

Philips Semiconductors
Audio processor – companding, VOX and amplifier section
Product specification
SA5752
DEMOD DATA
TXEN
DATA BLOCK
RXCLOCK
RXDATA
TXCLOCK
TXDATA
DATA PROCESSOR
5V
7.5V
5.0/0V
7.5/0V
POWER SUPPLY
DATA
DEMOD
RF BLOCK
MOD
AUDIO BLOCK
VOX
EAR
I²C
MIC ^SPEAKER
LOGIC UNIT
8
CONTROL UNIT
Figure 4. Cellular Radio System
DEMOD DATA
TXEN
DATA PROCESSOR
POWER SUPPLY ENABLE
SR00653
5V
7.5V
5.0/0V
7.5/0V
POWER SUPPLY
DEMOD
DATA
RF BLOCK
MOD
NE5750
NE5751
LOGIC UNIT
VOX
I²C
RSSI
MIC
SPEAKER
EAR
8
CONTROL UNIT
Figure 5. APROC Application Diagram
POWER SUPPLY ENABLE
SR00654
1997 Nov 07
7