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TDA8922TH from PHI,Philips

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TDA8922TH

Manufacturer: PHI, PHILIPS

2 x 25 W class-D power amplifier

Partnumber Manufacturer Quantity Availability
TDA8922TH PHI, PHILIPS 5028 In Stock

Description and Introduction

2 x 25 W class-D power amplifier The TDA8922TH is a Class-D audio amplifier manufactured by PHILIPS (PHI).  

### **Specifications:**  
- **Output Power:** Up to 2 × 50 W (4 Ω, THD = 10%)  
- **Supply Voltage Range:** ±12.5 V to ±30 V  
- **Efficiency:** >90% (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** <0.2% (typical)  
- **Signal-to-Noise Ratio (SNR):** >100 dB  
- **Operating Frequency:** 300 kHz (switching frequency)  
- **Protection Features:** Short-circuit, over-temperature, and overvoltage protection  
- **Package:** HSOP24 (Heat Sink Small Outline Package)  

### **Descriptions:**  
- The TDA8922TH is a high-efficiency Class-D amplifier designed for high-quality audio applications.  
- It operates in a bridge-tied load (BTL) configuration, eliminating the need for output coupling capacitors.  
- Suitable for home audio systems, multimedia speakers, and professional audio equipment.  

### **Features:**  
- **High Efficiency:** Minimizes heat dissipation, reducing the need for large heat sinks.  
- **Low Standby Power Consumption:** <0.5 W in mute mode.  
- **Integrated Protections:** Ensures safe operation under fault conditions.  
- **No External Heat Sink Required:** Due to efficient thermal design.  
- **Flexible Power Supply:** Operates from a wide voltage range.  

This information is based on the official datasheet from PHILIPS (PHI). Let me know if you need further details.

Application Scenarios & Design Considerations

2 x 25 W class-D power amplifier

Alternative Part Number

  • TDA8920BJ --: Same TDA892x class-D audio amplifier family from the successor of Philips Semiconductors, with comparable output power and supply range, making it a close functional substitute.
  • TDA8950TH --: Higher-power class-D amplifier in the same TDA89xx series and package style, usable where extra headroom is acceptable and pin/thermal design is verified.
  • LM3886TF --: Well-known alternative class-AB audio power amplifier IC with similar power output class; requires different circuit topology but is a widely available substitute option.
  • STA516B --: Alternative class-D audio power amplifier from a different vendor with comparable output power and supply voltage, usable as a functional substitute with minor circuit adjustments.

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