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LM4870M from NS,National Semiconductor

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LM4870M

Manufacturer: NS

1.1W Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4870M NS 85 In Stock

Description and Introduction

1.1W Audio Power Amplifier with Shutdown Mode The LM4870M is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V (typical)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Shutdown Current:** 0.6µA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical) at 1kHz, 1W into 8Ω  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC  

**Descriptions and Features:**  
- Designed for battery-powered applications  
- Bridge-tied load (BTL) configuration eliminates the need for output coupling capacitors  
- Low shutdown current for power-saving operation  
- Unity-gain stable  
- Improved pop-and-click circuitry for reduced noise during power-up/down  
- Thermal shutdown protection  
- Space-saving surface-mount package  

The LM4870M is optimized for portable audio devices such as mobile phones, PDAs, and portable media players.

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