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TDA7491LP13TR from ST,ST Microelectronics

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TDA7491LP13TR

Manufacturer: ST

5W+5W dual BTL class-D audio amplifier

Partnumber Manufacturer Quantity Availability
TDA7491LP13TR ST 4000 In Stock

Description and Introduction

5W+5W dual BTL class-D audio amplifier The TDA7491LP13TR is a Class-D audio amplifier manufactured by STMicroelectronics.  

### **Specifications:**  
- **Output Power:** 4.5 W per channel (into 4 Ω at 10% THD, 12 V supply)  
- **Supply Voltage Range:** 4.5 V to 18 V  
- **Efficiency:** Up to 90% (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.15% (typical at 1 W, 4 Ω)  
- **Signal-to-Noise Ratio (SNR):** 90 dB (A-weighted)  
- **Standby Current:** < 1 µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** PowerSSO-36  

### **Descriptions:**  
The TDA7491LP13TR is a dual BTL (Bridge-Tied Load) Class-D audio amplifier designed for high-efficiency audio applications. It features low power consumption, a compact package, and integrated protection circuits.  

### **Features:**  
- Dual-channel Class-D amplifier  
- No external output filter required (filterless operation)  
- Short-circuit and thermal protection  
- Standby and mute functions  
- Pop & click suppression  
- Low quiescent current  
- Flexible supply voltage operation  

This information is based on STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

5W+5W dual BTL class-D audio amplifier

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