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TDA8922TH/N1 from PHILIPS

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TDA8922TH/N1

Manufacturer: PHILIPS, PHIL

TDA8922; 2 x 25 W class-D power amplifier

Partnumber Manufacturer Quantity Availability
TDA8922TH/N1,TDA8922THN1 PHILIPS, PHIL 11000 In Stock

Description and Introduction

TDA8922; 2 x 25 W class-D power amplifier The TDA8922TH/N1 is a Class-D audio amplifier manufactured by PHILIPS (now NXP Semiconductors). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Type:** Class-D Audio Amplifier  
- **Output Power:**  
  - 2 × 50 W (4 Ω, THD = 10%)  
  - 2 × 30 W (8 Ω, THD = 10%)  
- **Supply Voltage Range:** ±12.5 V to ±30 V  
- **Efficiency:** Up to 90%  
- **Total Harmonic Distortion (THD):** <0.5% (typical)  
- **Signal-to-Noise Ratio (SNR):** >90 dB  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** HSOP24 (Heat Sink Small Outline Package)  

### **Descriptions:**  
- The TDA8922TH/N1 is a high-efficiency Class-D amplifier designed for audio applications such as home theater systems, powered speakers, and multimedia devices.  
- It operates in a bridge-tied load (BTL) configuration, eliminating the need for output coupling capacitors.  
- The amplifier features built-in protection circuits, including thermal shutdown, overvoltage, and short-circuit protection.  

### **Features:**  
- **High Efficiency:** Reduces power dissipation and heat generation.  
- **Low Standby Power Consumption:** Suitable for energy-efficient designs.  
- **Mute and Standby Functions:** Allows power-saving modes.  
- **No External Output Filters Required:** Simplifies design and reduces component count.  
- **Self-Oscillating Modulation:** Ensures stable operation across varying loads.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

TDA8922; 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, offering comparable output power and pin-compatible system architecture for similar audio applications.
  • TDA8950J --: Higher-power class-D audio amplifier in the same TDA89xx series lineage, suitable as a functional upgrade when the original TDA8922TH/N1 is unavailable.
  • LM4766T --: Well-established alternative class-AB audio power amplifier from a different manufacturer and series, usable in audio amplifier designs requiring similar output capability with circuit adaptation.
  • STA505 --: Alternative class-D audio power amplifier from another vendor with similar voltage and power class, usable as a cross-vendor replacement with minor circuit redesign.

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