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TDA7491P from ST,ST Microelectronics

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TDA7491P

Manufacturer: ST

10W+10W dual BTL class-D audio amplifier

Partnumber Manufacturer Quantity Availability
TDA7491P ST 7400 In Stock

Description and Introduction

10W+10W dual BTL class-D audio amplifier The TDA7491P is a class-D audio amplifier manufactured by STMicroelectronics.  

### **Specifications:**  
- **Output Power:**  
  - 10W per channel (stereo) into 8Ω at 10% THD with 18V supply  
  - 5W per channel (stereo) into 8Ω at 10% THD with 12V supply  
- **Supply Voltage Range:** 8V to 18V  
- **Efficiency:** Up to 90% (typical for class-D amplifiers)  
- **THD+N (Total Harmonic Distortion + Noise):** < 0.5% (typical)  
- **Signal-to-Noise Ratio (SNR):** > 90dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** PowerDIP20  

### **Descriptions:**  
The TDA7491P is a dual BTL (Bridge-Tied Load) class-D audio amplifier designed for high-efficiency applications such as TVs, soundbars, and multimedia speakers. It integrates PWM modulation and a power stage, requiring minimal external components.  

### **Features:**  
- **Mute and Standby Functions** for power management  
- **Short-Circuit and Thermal Protection**  
- **Low External Component Count**  
- **Pop-Free Start-Up**  
- **No Heat Sink Required** due to high efficiency  

The TDA7491P is optimized for cost-effective, space-constrained designs while delivering good audio performance.  

Would you like additional details on pin configuration or application notes?

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