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TDA1904

4W AUDIO AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA1904 15 In Stock

Description and Introduction

4W AUDIO AMPLIFIER The TDA1904 is an integrated circuit (IC) manufactured by **STMicroelectronics**. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 4 W (typical at 10% THD, 4 Ω load, 14.4 V supply)  
- **Supply Voltage Range:** 8 V to 18 V  
- **Quiescent Current:** 45 mA (typical)  
- **Total Harmonic Distortion (THD):** 0.5% (typical at 1 W, 4 Ω, 1 kHz)  
- **Operating Temperature Range:** -40°C to +150°C  
- **Package:** **Multiwatt11** (11-pin vertical power package)  

### **Descriptions:**  
- The TDA1904 is a monolithic Class AB audio amplifier designed for car radio applications.  
- It includes built-in thermal and short-circuit protection.  
- The IC is optimized for low distortion and noise performance.  

### **Features:**  
- **Mute/Standby Function:** Allows power-saving modes.  
- **High Output Power:** Capable of driving 4 Ω speakers.  
- **Low Noise:** Designed for high-quality audio reproduction.  
- **Protection Circuits:** Includes thermal shutdown and short-circuit protection.  
- **Few External Components Required:** Simplifies circuit design.  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application circuits, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

4W AUDIO AMPLIFIER

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