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TDA7343D from ST,ST Microelectronics

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TDA7343D

Manufacturer: ST

DIGITALLY CONTROLLED AUDIO PROCESSOR

Partnumber Manufacturer Quantity Availability
TDA7343D ST 813 In Stock

Description and Introduction

DIGITALLY CONTROLLED AUDIO PROCESSOR The TDA7343D is a car radio digital audio processor manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Type:** Digital Audio Processor  
- **Package:** SO-28  
- **Operating Voltage:** 8V to 18V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Signal-to-Noise Ratio (SNR):** Typically 85dB  
- **Total Harmonic Distortion (THD):** Typically 0.01%  
- **Digital Input:** I²S (Inter-IC Sound) compatible  
- **Analog Inputs:** Multiple configurable inputs  
- **Outputs:** Analog and digital (I²S)  
- **Features:** Bass, treble, balance, fader, loudness controls  

### **Descriptions:**  
The TDA7343D is designed for automotive audio applications, providing high-quality sound processing with digital control. It supports multiple input sources and includes built-in tone and volume adjustments.  

### **Features:**  
- **Digital Audio Processing:** Supports I²S input for digital audio signals.  
- **Analog Inputs:** Multiple analog inputs for flexible audio source selection.  
- **Tone Control:** Adjustable bass and treble settings.  
- **Volume & Balance:** Built-in volume, balance, and fader controls.  
- **Loudness Function:** Enhances audio at low volumes.  
- **Low Distortion:** High-quality audio output with minimal distortion.  
- **Wide Voltage Range:** Suitable for automotive power supply variations.  

This IC is commonly used in car radio systems to enhance audio performance and provide digital signal processing capabilities.

Application Scenarios & Design Considerations

DIGITALLY CONTROLLED AUDIO PROCESSOR

Alternative Part Number

  • TDA7342D --: Same TDA734x audio processor family with nearly identical pinout and function, differing only in minor feature set, making it a close drop-in substitute.
  • TDA7439DS --: Similar audio processor with tone and volume control in the same SO package class; usable with minor circuit adjustments.
  • PT2313L --: Third-party audio processor offering comparable volume, tone, and input selection functions, suitable as a functional alternative with layout changes.
  • TDA7439 --: Same ST audio processor family with I2C-controlled input selection, volume, tone and balance, offering comparable functionality in a similar package.
  • M62429P --: Electronic volume control IC with serial control, suitable as a functional substitute for audio volume/tone processing where full feature match is not critical.

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