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TDA7393 from ST,ST Microelectronics

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TDA7393

Manufacturer: ST

2 X 32W DUAL BRIDGE CAR RADIO AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA7393 ST 100 In Stock

Description and Introduction

2 X 32W DUAL BRIDGE CAR RADIO AMPLIFIER The TDA7393 is a dual bridge amplifier manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Output Power:** 10W per channel (at 10% THD, 4Ω, 14.4V)  
- **Operating Voltage Range:** 8V to 18V  
- **Standby Current:** <100µA  
- **Signal-to-Noise Ratio (SNR):** >90dB  
- **Total Harmonic Distortion (THD):** 0.1% (at 1W, 4Ω, 1kHz)  
- **Gain:** 26dB (fixed)  
- **Package:** PowerSO-20 (multiwatt)  

### **Descriptions:**  
The TDA7393 is a dual BTL (Bridge-Tied Load) class-AB audio amplifier designed for car radio applications. It features two independent amplifiers in a single package, providing efficient power output with low distortion.  

### **Features:**  
- **Dual Bridge Configuration:** Allows driving two speakers independently.  
- **Mute & Standby Functions:** Low-power consumption in standby mode.  
- **Short-Circuit & Thermal Protection:** Built-in safeguards for reliability.  
- **Low External Component Count:** Simplifies PCB design.  
- **High Efficiency:** Suitable for automotive audio systems.  

This information is based on STMicroelectronics' official datasheet for the TDA7393.

Application Scenarios & Design Considerations

2 X 32W DUAL BRIDGE CAR RADIO AMPLIFIER

Alternative Part Number

  • TDA7388 --: Quad bridge car audio amplifier in the same TDA73xx family with similar supply voltage and output power, widely used as a drop-in substitute for TDA7393 in automotive audio designs.
  • TDA7384 --: Four-channel car radio power amplifier with comparable pinout and electrical characteristics, commonly cross-referenced with TDA7393 for car audio head units.
  • TDA7560 --: Higher-power quad BTL car audio amplifier from the same ST automotive audio family, compatible in function and often used when upgrading or replacing TDA7393.

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