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TDA7491LP from ST,ST Microelectronics

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TDA7491LP

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
TDA7491LP ST 8200 In Stock

Description and Introduction

5W+5W dual BTL class-D audio amplifier The TDA7491LP is a class-D audio amplifier manufactured by STMicroelectronics.  

**Key Specifications:**  
- **Output Power:** 15W per channel (stereo) into 8Ω at 18V with 10% THD+N  
- **Supply Voltage Range:** 8V to 26V  
- **Efficiency:** Up to 90% (typical)  
- **THD+N:** 0.1% (typical at 1W, 8Ω, 1kHz)  
- **Signal-to-Noise Ratio (SNR):** >95dB (A-weighted)  
- **Operating Temperature Range:** -40°C to +85°C  

**Descriptions:**  
- Monolithic integrated circuit in Multiwatt15 package  
- Designed for high-efficiency audio amplification in compact applications  
- Includes short-circuit, over-temperature, and over-voltage protection  

**Features:**  
- **Class-D Operation:** High efficiency with low heat dissipation  
- **Standby and Mute Functions:** Low power consumption in standby mode  
- **No External Schottky Diodes Required:** Simplifies design  
- **Pop & Click Suppression:** Minimizes noise during power-on/off  
- **Differential Inputs:** Reduces common-mode noise  

This amplifier is suitable for applications like LCD TVs, soundbars, and multimedia speakers.

Application Scenarios & Design Considerations

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

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