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TDA7493 from ST,ST Microelectronics

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TDA7493

Manufacturer: ST

3 W + 3 W dual BTL class-D audio amplifier

Partnumber Manufacturer Quantity Availability
TDA7493 ST 330 In Stock

Description and Introduction

3 W + 3 W dual BTL class-D audio amplifier The TDA7493 is a class-D audio amplifier manufactured by STMicroelectronics.  

### **Specifications:**  
- **Output Power:** 10W per channel (stereo) into 8Ω at 10% THD with a 12V supply.  
- **Supply Voltage Range:** 6V to 18V.  
- **Efficiency:** Up to 90% (typical for class-D amplifiers).  
- **THD+N (Total Harmonic Distortion + Noise):** 0.3% (typical at 1W, 8Ω, 1kHz).  
- **Signal-to-Noise Ratio (SNR):** >80dB (A-weighted).  
- **Operating Temperature Range:** -40°C to +85°C.  
- **Package:** PowerSO-20 (exposed pad for heat dissipation).  

### **Descriptions:**  
- The TDA7493 is a dual BTL (Bridge-Tied Load) class-D audio amplifier designed for high-efficiency applications such as TVs, soundbars, and portable audio systems.  
- It integrates PWM modulation and output power stages, requiring minimal external components.  
- Features standby and mute functions for power management.  

### **Features:**  
- **Dual-channel class-D amplifier.**  
- **Low external component count.**  
- **Standby and mute control pins.**  
- **Short-circuit and thermal protection.**  
- **Pop-free start-up and shutdown.**  
- **No need for external heatsink (depends on application conditions).**  

This information is sourced from STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

3 W + 3 W dual BTL class-D audio amplifier

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