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TDA7481 from STM,ST Microelectronics

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TDA7481

Manufacturer: STM

18W MONO CLASS D AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA7481 STM 300 In Stock

Description and Introduction

18W MONO CLASS D AMPLIFIER The TDA7481 is a class-D audio amplifier manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Output Power:**  
  - 10W per channel (stereo) into 4Ω at 18V (THD = 10%)  
  - 5W per channel (stereo) into 8Ω at 18V (THD = 10%)  
- **Supply Voltage Range:** 10V to 26V  
- **Operating Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Total Harmonic Distortion (THD):** 0.5% (typical at 1W, 8Ω)  
- **Signal-to-Noise Ratio (SNR):** >80dB  
- **Standby Current:** <1µA  

### **Descriptions:**
- The TDA7481 is a monolithic integrated class-D amplifier designed for high-efficiency audio applications.  
- It uses Pulse Width Modulation (PWM) technology to minimize power dissipation.  
- The device is suitable for compact audio systems, portable speakers, and TV sound applications.  

### **Features:**
- **Stereo Class-D Amplifier**  
- **Low External Component Count**  
- **Mute and Standby Functions**  
- **Short-Circuit and Thermal Protection**  
- **No External Heat Sink Required**  
- **SO20 Package**  

This information is based on the manufacturer's datasheet.

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