TDA7340G

音频信号处理器 AUDIO SIGNAL PROCESSOR

DESCRIPTION

The 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