
STMicroelectronics
DESCRIPTION
The TDA7340G I2C bus controlled audio signal processor contains all signal processing blocks of a high performance car radio, including audio processor, stereodecoder, noise blanker, pause detector and different mute functions.
AUDIOPROCESSOR:
MUTE, SOFT MUTE AND ZERO CROSSING MUTE
ONE DIFFERENTIAL, TWO STEREO AND TWO MONO INPUTS
DIFFERENTIAL PHONE INPUT
VOLUME, BASS, TREBLE AND LOUDNESS CONTROL
FOUR SPEAKER ATTENUATORS WITH IN DEPENDENT ATTENUATION CONTROL
STEREODECODER:
ROLL-OFF ADJUSTMENT
ADJUSTMENT FREE INTEGRATED 456KHz VCO
HIGH CUT CONTROL
STEREO BLEND
NOISE BLANKER:
INTEGRATED HIGH-PASS FILTER
NOISE RECTIFIER OUTPUT FOR QUALITY DETECTION
PROGRAMMABLE TRIGGER THRESHOLD
DEVIATION AND FIELD STRENGTH DEPENDENT TRIGGER ADJUSTMENT
PAUSE DETECTOR:
PROGRAMMABLE THRESHOLD