Get access to the technical specifications and application notes for the TDA7340 audio amplifier chip with our comprehensive datasheet.
Part number : TDA7340
Functions : This is a kind of semiconductor, AUDIO SIGNAL PROCESSOR.
Package information : PQFP44 Type
Manufacturer : ST Microelectronics
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The texts in the PDF file :
The TDA7340 I2C bus controlled audio signal processor contains all signal processing blocks of a high performance car radio, including audioprocessor, stereodecoder, noise blanker, pause PQFP44 ORDERING NUMBER: TDA7340P detector and different mute functions. The use of BICMOS technology allows the implementation of several filter functions with switched capacitor techniques like fully integrated, adjustment free PLL Loop filter, pilot detector with integrator and two 19KHz notch filters. This minimizes the number of external components. 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.
Input Multiplexer
1. DIFFERENTIAL CD STEREO INPUT
2. CASSETTE STEREO INPUT
3. FM STEREO INPUT FROM STEREODE-CODER
4. AM INPUT: MONO OR STEREO MODE (PROGRAMMABLE)
5. BEEP INPUT (ONLY IN AM MONO MODE)
6. TELEPHONE DIFFERENTIAL MONO INPUT
Features
1. INTEGRATED 19KHZ NOTCH FILTER FOR PILOT CANCELLATION
2. ON CHIP FILTER FOR PILOT DETECTOR AND PLL
3. ADJUSTMENT FREE VOLTAGE CONTROL-LED OSCILLATOR
4. AUTOMATIC PILOT DEPENDENT MONO/STEREO SWITCHING
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