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LM4819LD from NS,National Semiconductor

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LM4819LD

Manufacturer: NS

350mW Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4819LD NS 2576 In Stock

Description and Introduction

350mW Audio Power Amplifier with Shutdown Mode The LM4819LD is a dual 105mW headphone amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 105mW per channel into 16Ω at 3.3V  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Current:** 3.5mA (typical)  
- **Gain Options:** 0dB, 3dB, 6dB, 9dB (selectable via external resistors)  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions and Features:**  
- Dual-channel headphone amplifier designed for portable audio applications.  
- Includes an internal depop circuitry to reduce turn-on/off transients.  
- Features a low-power shutdown mode for power savings.  
- Independent left and right channel shutdown control.  
- Thermal shutdown protection to prevent overheating.  
- Unity-gain stable, allowing flexible gain configuration.  
- Optimized for driving 16Ω to 32Ω headphones.  

This information is sourced from the manufacturer's datasheet.

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