TDA7434
DESCRIPTION
The TDA7434 is a volume, tone (bass and treble) balance (Left / Right) fader (Front / Rear) processor for quality audio applications in car radio and Hi-Fi systems. Control is acplished by serial bus microprocessor interface. BLOCK DIAGRAM
4.7K 100n F LOUD_L 7 6 2 MUX VOL BASS TREBLE BIN_L 12 100n F BOUT_L 11
SDIP24 ORDERING NUMBER: TDA7434
The AC signal setting is obtained by resistor networks and switches bined with operational amplifiers. Thanks to the advanced BIPOLAR/CMOS Technology, the external ponents have been reduced.
2.7n F
TRL 13 SPKR ATT SPKR ATT 19
LEFT FRONT
IN1_L IN2_L
LEFT REAR
MONO/MUTE
21 S BUS DECODER + LATCHES 22
SCL SDA
IN2_R IN1_R VS
1 5 20
BASS
TREBLE
SPKR ATT SPKR ATT
RIGHT FRONT
SUPPLY 24 GND CREF 8 LOUD_R 100n F 10 BIN_R 9 BOUT_R 100n F 4.7K 14 TRR 2.7n F
RIGHT REAR
D95AU360A
August 1996
1/10
This is advanced information on a new product now in development or undergoing evaluation. Details are subject...
