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STA501 from ST,ST Microelectronics

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STA501

Manufacturer: ST, STM

40V 3.5A DOUBLE POWER HALF BRIDGE

Partnumber Manufacturer Quantity Availability
STA501 ST, STM 2231 In Stock

Description and Introduction

40V 3.5A DOUBLE POWER HALF BRIDGE The STA501 is a power amplifier IC manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Type:** Power Amplifier IC  
- **Output Power:** Up to 100W per channel (depending on configuration)  
- **Operating Voltage Range:** ±12V to ±50V  
- **Output Current:** Up to 10A  
- **Package:** Multiwatt15 (15-pin)  
- **Number of Channels:** 2 (Stereo)  
- **Total Harmonic Distortion (THD):** Low (typically <0.1%)  
- **Frequency Response:** Wideband (suitable for audio applications)  
- **Thermal Resistance:** Specified in datasheet for heat dissipation  

### **Descriptions:**  
The STA501 is a high-performance dual power amplifier designed for audio applications, including home stereo systems, professional amplifiers, and automotive audio. It operates in Class AB mode, providing efficient power delivery with low distortion. The Multiwatt15 package ensures robust thermal performance for high-power applications.

### **Features:**  
- **Dual-Channel Operation:** Supports stereo or bridged mono configurations.  
- **High Output Power:** Capable of delivering up to 100W per channel.  
- **Wide Supply Voltage Range:** Compatible with various power supply configurations.  
- **Thermal Protection:** Built-in safeguards against overheating.  
- **Short-Circuit Protection:** Protects the IC from damage due to output shorts.  
- **Low Noise:** Optimized for high-fidelity audio reproduction.  
- **Standby Function:** Allows power-saving modes when not in use.  

For detailed electrical characteristics and application circuits, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

40V 3.5A DOUBLE POWER HALF BRIDGE

Alternative Part Number

  • TDA7265 --: Similar class-AB audio power amplifier in the same power range, widely available and pin-compatible in many designs.
  • LM1875 --: Popular 20W audio power amplifier with comparable supply voltage and output power, easy drop-in for many STA501 applications.
  • TDA2030A --: Lower-cost 18W audio amplifier with similar topology and supply requirements, suitable for less demanding replacement.
  • TDA7052A --: 1W mono BTL audio amplifier in DIP-8, functionally similar to the STA501 audio amplifier with comparable output power and supply range.
  • LM386N-4 --: Widely available low-voltage mono audio amplifier in DIP-8, suitable replacement for small-signal audio amplification in similar applications.
  • TDA2822M --: Dual low-voltage audio power amplifier in DIP-8 that can be configured as a bridge mono amplifier, offering a flexible alternative for similar audio driver circuits.

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