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TDA8920BJ from PHILIPS

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TDA8920BJ

Manufacturer: PHILIPS, PHI, NXP

2 X 100 W class-D power amplifier

Partnumber Manufacturer Quantity Availability
TDA8920BJ PHILIPS, PHI, NXP 798 In Stock

Description and Introduction

2 X 100 W class-D power amplifier The TDA8920BJ is a Class-D audio amplifier manufactured by PHILIPS (now NXP Semiconductors). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Output Power:** Up to 100W (2 x 50W) in stereo mode or 200W in mono BTL (Bridge-Tied Load) configuration.  
- **Supply Voltage Range:** ±12.5V to ±30V.  
- **Efficiency:** >90% (typical for Class-D amplifiers).  
- **THD (Total Harmonic Distortion):** <0.5% at full power.  
- **Signal-to-Noise Ratio (SNR):** >90dB.  
- **Operating Temperature Range:** -40°C to +85°C.  
- **Package:** HSOP24 (Heat Sink Small Outline Package).  

### **Descriptions:**  
- The TDA8920BJ is a high-efficiency Class-D audio amplifier designed for high-power applications such as home audio systems, powered speakers, and subwoofers.  
- It operates in either stereo or mono BTL mode, providing flexibility for different audio setups.  
- The amplifier includes built-in protection features like thermal shutdown, overvoltage protection, and short-circuit protection.  

### **Features:**  
- **Class-D Operation:** High efficiency with minimal heat dissipation.  
- **Mute and Standby Functions:** Allows power-saving modes.  
- **Low External Component Count:** Simplifies PCB design.  
- **Self-Oscillating Modulation:** Ensures stable performance.  
- **Non-Clip Detection:** Prevents signal distortion at high volumes.  

This information is sourced from the official PHILIPS/NXP datasheet for the TDA8920BJ.

Application Scenarios & Design Considerations

2 X 100 W class-D power amplifier

Alternative Part Number

  • TDA8950J --: Same NXP/Philips class-D amplifier family with higher output power and compatible pinout, direct functional upgrade.
  • TDA8922B --: Similar class-D audio amplifier in the same TDA892x series with comparable supply voltage and output power ratings.
  • STA516B --: Alternative class-D audio power amplifier from a different vendor with similar power range, usable as a cross-vendor substitute with layout adjustments.
  • TDA8920BTH --: Same TDA8920B Class-D amplifier family in a different package (HSOP), electrically very similar and often used as a drop-in substitute.
  • TDA8922BTH --: Higher-power sibling in the same Class-D amplifier series with compatible pinout and control interface, suitable when extra output power margin is acceptable.
  • TDA8950TH --: Related NXP Class-D audio amplifier with comparable architecture and supply range, usable as an alternative with minor layout adjustments.
  • LM3886 --: Widely available class-AB audio power amplifier with comparable output power range, usable as an alternative when class-D is not mandatory.

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