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TDA8925J from PHIPILS

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TDA8925J

Manufacturer: PHIPILS, PHI

Power stage 2 x 15 to 25Wclass-D audio amplifier

Partnumber Manufacturer Quantity Availability
TDA8925J PHIPILS, PHI 679 In Stock

Description and Introduction

Power stage 2 x 15 to 25Wclass-D audio amplifier The TDA8925J is a Class-D audio amplifier manufactured by PHILIPS (PHI). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Type:** Class-D Audio Amplifier  
- **Output Power:** Up to 2 × 50W (4Ω, THD = 10%) or 2 × 30W (8Ω, THD = 10%)  
- **Supply Voltage Range:** ±12.5V to ±30V  
- **Efficiency:** >90% (typical)  
- **Total Harmonic Distortion (THD):** <0.5% (typical)  
- **Signal-to-Noise Ratio (SNR):** >90dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** HSOP24 (Heat Sink Small Outline Package)  

### **Descriptions:**
- The TDA8925J is a high-efficiency Class-D amplifier designed for audio applications such as home theater systems, active speakers, and multimedia devices.  
- It features a built-in protection circuit for over-temperature, short-circuit, and overvoltage conditions.  
- The amplifier operates in a bridge-tied load (BTL) configuration, eliminating the need for output coupling capacitors.  

### **Features:**
- **High Efficiency:** Minimizes heat dissipation, reducing the need for large heat sinks.  
- **Low Standby Power Consumption:** Suitable for energy-saving applications.  
- **Mute and Standby Functions:** Allows power management control.  
- **Self-Oscillating Modulation:** Ensures stable switching operation.  
- **Short-Circuit Protected:** Enhances reliability in fault conditions.  
- **Thermal Protection:** Prevents damage due to overheating.  

This information is based on the manufacturer's datasheet. For detailed performance curves and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

Power stage 2 x 15 to 25Wclass-D audio amplifier

Alternative Part Number

  • TDA8920BJ --: Same TDA892x class-D audio amplifier family from the original manufacturer's successor NXP, with comparable output power and supply range, making it a close functional substitute.
  • TDA8950J --: Higher-power class-D amplifier in the same TDA89xx series with similar pinout and control interface, suitable when extra headroom is acceptable.
  • LM4651 --: Alternative class-D audio power amplifier from a different vendor with comparable power rating, usable as a cross-manufacturer replacement with minor circuit adjustments.
  • STA540 --: Alternative multi-channel audio power amplifier from a different vendor, usable as a functional replacement with minor circuit adjustments.

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