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TDA7381 from ST,ST Microelectronics

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TDA7381

Manufacturer: ST

4 x 25W QUAD BRIDGE CAR RADIO AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA7381 ST 1224 In Stock

Description and Introduction

4 x 25W QUAD BRIDGE CAR RADIO AMPLIFIER The TDA7381 is a quad bridge car radio amplifier manufactured by STMicroelectronics (ST). Here are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Power:**  
  - 4 × 28 W @ 14.4 V, 1 kHz, 10% THD, 4 Ω  
  - 4 × 45 W max power (Max Power Package)  
- **Supply Voltage Range:** 8 V to 18 V  
- **Operating Voltage:** 14.4 V (typical)  
- **THD (Total Harmonic Distortion):** 0.1% (typical)  
- **Signal-to-Noise Ratio (SNR):** 95 dB (typical)  
- **Standby Current:** < 100 µA  
- **Mute Current:** < 1 mA  

### **Descriptions:**
- The TDA7381 is a Class AB audio amplifier designed for car radio applications.  
- It integrates four independent amplifier channels in a single package.  
- The device includes protection features such as short-circuit, thermal shutdown, and overvoltage protection.  

### **Features:**
- **Quad Bridge Amplifier:** Four independent bridge-tied load (BTL) amplifiers.  
- **High Output Power:** Capable of delivering up to 28 W per channel.  
- **Low Distortion:** Ensures high-quality audio output.  
- **Standby & Mute Functions:** Allows power-saving modes.  
- **Protection Circuits:** Includes DC offset detection, thermal shutdown, and short-circuit protection.  
- **Flexible Supply Voltage:** Operates within an 8 V to 18 V range.  
- **Package:** Multiwatt15V (15-pin vertical power package).  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4 x 25W QUAD BRIDGE CAR RADIO AMPLIFIER

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