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STA529 from ST,ST Microelectronics

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STA529

Manufacturer: ST

2 x 100 mW class-D amplifer with analog or digital input, 2.0 multichannel digital audio processor with FFX

Partnumber Manufacturer Quantity Availability
STA529 ST 6 In Stock

Description and Introduction

2 x 100 mW class-D amplifer with analog or digital input, 2.0 multichannel digital audio processor with FFX The STA529 is a digital audio amplifier from STMicroelectronics. Here are the key specifications, descriptions, and features based on the manufacturer's data:

### **Manufacturer:** STMicroelectronics  
### **Part Number:** STA529  

### **Description:**  
The STA529 is a fully digital power amplifier designed for high-efficiency audio applications. It integrates a digital PWM modulator, power MOSFETs, and protection circuits, making it suitable for compact and energy-efficient audio systems.  

### **Key Features:**  
- **Output Power:** Up to 2 × 50W (4Ω, 10% THD) or 1 × 100W (bridged mode).  
- **Supply Voltage Range:** 10V to 38V.  
- **Efficiency:** Up to 90% (reduces heat dissipation).  
- **Digital Input:** Supports I²S, left-justified, right-justified, and TDM formats.  
- **Modulation Scheme:** Advanced digital PWM modulation for low distortion.  
- **Integrated Protections:**  
  - Overcurrent protection  
  - Overtemperature shutdown  
  - Undervoltage lockout (UVLO)  
- **Package:** PowerSSO-36 (exposed pad for thermal management).  
- **Applications:**  
  - Home audio systems  
  - Soundbars  
  - Multimedia speakers  
  - Automotive infotainment (with appropriate design considerations).  

### **Additional Notes:**  
- Requires an external LC filter for output signal reconstruction.  
- Operates in Class-D for high efficiency.  

For exact performance characteristics, refer to the official **STMicroelectronics datasheet** for the STA529.

Application Scenarios & Design Considerations

2 x 100 mW class-D amplifer with analog or digital input, 2.0 multichannel digital audio processor with FFX

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