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TDA8947J/N3 from PHILIPS

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TDA8947J/N3

Manufacturer: PHILIPS

TDA8947J; 4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W)

Partnumber Manufacturer Quantity Availability
TDA8947J/N3,TDA8947JN3 PHILIPS 499 In Stock

Description and Introduction

TDA8947J; 4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W) The TDA8947J/N3 is a power amplifier IC manufactured by PHILIPS (now NXP Semiconductors). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 2 × 7 W (stereo mode) or 1 × 15 W (mono bridge-tied load mode)  
- **Supply Voltage Range:** 4.5 V to 18 V  
- **Load Impedance:** 4 Ω (stereo) or 8 Ω (mono BTL)  
- **Total Harmonic Distortion (THD):** < 0.5% (typical)  
- **Signal-to-Noise Ratio (SNR):** > 70 dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DBS17P (17-pin DIP)  

### **Descriptions:**  
- The TDA8947J/N3 is a dual-channel audio amplifier designed for portable and consumer audio applications.  
- It supports both stereo and mono BTL (Bridge-Tied Load) configurations.  
- Features standby and mute modes for power-saving operation.  

### **Features:**  
- Low standby current (< 100 µA)  
- Short-circuit and thermal protection  
- Pop-free start-up and shutdown  
- Requires minimal external components  
- Suitable for TV, PC, and portable audio systems  

This information is based on the official datasheet from PHILIPS/NXP.

Application Scenarios & Design Considerations

TDA8947J; 4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W)

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