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LM4950TSX from NS,National Semiconductor

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LM4950TSX

Manufacturer: NS

7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4950TSX NS 433 In Stock

Description and Introduction

7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier The LM4950TSX is a power amplifier manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 3W (into 4Ω at 5V supply)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 4mA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical at 1W into 4Ω)  
- **Shutdown Current:** 0.6μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 9-pin TO-263 (DDPAK/TO-263-9)  

### **Descriptions:**  
- The LM4950TSX is a mono bridged audio power amplifier designed for low-voltage applications.  
- It is optimized for driving speakers in portable devices such as mobile phones, PDAs, and portable media players.  
- The device includes thermal shutdown and short-circuit protection.  

### **Features:**  
- **Low Voltage Operation:** Works efficiently from 2.7V to 5.5V.  
- **Low Quiescent Current:** Enhances battery life in portable applications.  
- **Bridged Output:** Eliminates the need for output coupling capacitors.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Safeguards the amplifier during fault conditions.  
- **Space-Saving Package:** TO-263 package is suitable for compact designs.  

This information is based on the manufacturer's datasheet for the LM4950TSX.

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