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LM4819M from NS,National Semiconductor

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LM4819M

Manufacturer: NS

350mW Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4819M NS 7374 In Stock

Description and Introduction

350mW Audio Power Amplifier with Shutdown Mode The LM4819M is a dual audio power amplifier manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Output Power:** 105mW per channel into 32Ω at 5V  
- **Quiescent Current:** 3.6mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (typical) at 1kHz, 50mW output  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin MSOP  

**Descriptions and Features:**  
- Dual-channel audio amplifier designed for portable applications  
- Low quiescent current for extended battery life  
- Shutdown mode for power savings  
- Thermal shutdown protection  
- Unity-gain stable  
- Improved click-and-pop suppression  
- Space-saving MSOP package  

The LM4819M is commonly used in mobile phones, PDAs, and other portable audio devices.

Application Scenarios & Design Considerations

350mW Audio Power Amplifier with Shutdown Mode

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