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TDA1905. from ST,ST Microelectronics

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TDA1905.

Manufacturer: ST

5W AUDIO AMPLIFIER WITH MUTING

Partnumber Manufacturer Quantity Availability
TDA1905.,TDA1905 ST 6 In Stock

Description and Introduction

5W AUDIO AMPLIFIER WITH MUTING The TDA1905 is an integrated circuit (IC) manufactured by STMicroelectronics (ST). Below are the factual details about the part:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 4 W (typical)  
- **Supply Voltage Range:** 4 V to 20 V  
- **Load Impedance:** 4 Ω (typical)  
- **Total Harmonic Distortion (THD):** Low distortion at rated output  
- **Operating Temperature Range:** Typically -40°C to +150°C (check datasheet for exact range)  
- **Package:** Multiwatt11 (or other specified package, refer to datasheet)  

### **Descriptions:**  
- The TDA1905 is a monolithic audio power amplifier designed for car radio and other audio applications.  
- It features built-in protection circuits, including short-circuit and thermal protection.  
- The IC is optimized for low distortion and high efficiency in audio amplification.  

### **Features:**  
- Single in-line power amplifier  
- High output power capability  
- Low standby current consumption  
- Mute and standby functions  
- Internal thermal shutdown protection  
- Short-circuit protection  

For exact electrical characteristics and application details, refer to the official STMicroelectronics datasheet for the TDA1905.

Application Scenarios & Design Considerations

5W AUDIO AMPLIFIER WITH MUTING

Alternative Part Number

  • LM383 --: Class AB audio power amplifier in a similar power range, widely used as a substitute for TDA1905 in low-power audio output stages.
  • TDA2003 --: Popular 10W audio power amplifier with comparable supply voltage and output power, commonly used as a drop-in replacement in similar circuits.
  • TDA2002 --: Older but electrically similar 8W audio amplifier, pin-compatible in many designs and often used when TDA1905 is unavailable.

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