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LM4809LDX from NS,National Semiconductor

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LM4809LDX

Manufacturer: NS

LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4809LDX NS 35887 In Stock

Description and Introduction

LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode The LM4809LDX is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 105mW per channel (into 16Ω at 5V)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM4809LDX is a dual-channel audio power amplifier designed for portable electronic devices. It operates from a single supply voltage and is optimized for low power consumption while delivering high-quality audio output.  

### **Features:**  
- **Dual-Channel Operation:** Supports stereo audio output.  
- **Low Quiescent Current:** 2.6mA (typical).  
- **No External Coupling Capacitors:** Eliminates the need for DC-blocking capacitors.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Improved PSRR (Power Supply Rejection Ratio):** Reduces noise from the power supply.  
- **Space-Saving Package:** 8-pin LLP for compact PCB designs.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode

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