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LM4953SD from NS,National Semiconductor

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LM4953SD

Manufacturer: NS

Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver

Partnumber Manufacturer Quantity Availability
LM4953SD NS 190 In Stock

Description and Introduction

Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver The LM4953SD is a power amplifier manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Type:** Class AB Audio Power Amplifier  
- **Output Power:** 1.1W per channel into 8Ω at 5V  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 4mA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **Shutdown Current:** 0.01μA (typical)  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

**Descriptions and Features:**  
- Designed for portable audio applications  
- Low quiescent current for extended battery life  
- Thermal shutdown protection  
- Improved click-and-pop suppression  
- No output coupling capacitors required  
- Unity-gain stable  
- Surface-mount package (LLP) for compact designs  

This information is based on the manufacturer's datasheet.

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