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TDA7432

BASIC FUNCTION AUDIO PROCESSOR

Partnumber Manufacturer Quantity Availability
TDA7432 33 In Stock

Description and Introduction

BASIC FUNCTION AUDIO PROCESSOR The TDA7432 is an integrated circuit (IC) manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Type:** Audio Processor IC  
- **Supply Voltage (VCC):** 8V to 10V (typical)  
- **Operating Voltage Range:** 6V to 10.5V  
- **Total Harmonic Distortion (THD):** < 0.01%  
- **Signal-to-Noise Ratio (SNR):** > 90dB  
- **Number of Channels:** 4 (input), 2 (output)  
- **Control Interface:** I²C (Serial Bus)  
- **Package Type:** SO-20 (20-pin Small Outline)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The TDA7432 is a digital-controlled audio processor designed for high-quality audio applications.  
- It provides functions such as volume control, bass/treble adjustment, balance, and input selection.  
- The IC is commonly used in car audio systems, home stereos, and multimedia devices.  

### **Features:**
- **Input Selector:** Supports up to 4 stereo inputs.  
- **Volume Control:** Adjustable in 1dB steps.  
- **Bass & Treble Control:** Adjustable with ±14dB range.  
- **Balance & Fader Control:** For speaker channel adjustment.  
- **Mute Function:** Soft mute capability.  
- **Low Noise & Distortion:** Ensures high-fidelity audio output.  
- **I²C Bus Control:** Allows digital interface with microcontrollers.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

BASIC FUNCTION AUDIO PROCESSOR

Alternative Part Number

  • TDA7439 --: Same STMicroelectronics audio processor family with I2C control and tone/volume functions; often used as a drop-in upgrade for TDA7432 designs.
  • TDA7440 --: Similar audio processor with volume, tone, and input selection features; compatible control interface and supply range for many TDA7432 applications.
  • PT2313 --: Audio processor with volume, tone, and input switching controlled via I2C; functionally comparable alternative when TDA7432 is unavailable.

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