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TDA7340P Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7340P Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  TDA7340 AUDIO SIGNAL PROCESSOR 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: 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 PAUSE DETECTOR: PROGRAMMABLE THRESHOLD ALLFUNCTIONS PROGRAMMABLEVIA I 2CBUS DESCRIPTION The TDA7340 I 2C 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. The use of BICMOS technology allows the imple- mentation of several filter functions with switched capacitor techniques like fully integrated, adjust- ment free PLL Loop filter, pilot detector with inte- grator and two 19KHz notch filters. This minimizes the number of external compo- nents. Due to a highly linear signal processing, using CMOS-switching techniques instead of standard bipolar multipliers, very low distortion and very low noise are obtained also in the stereodecoder part. The audioprocessor contains several new features like softmute, zero-crossing mute and pause detector. Very low Dc stepping is obtained by use of a BICMOS technology. September 1999 ORDERING NUMBER: TDA7340P PQFP44 ® 1/16 |
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