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LM4818MX from NS,National Semiconductor

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LM4818MX

Manufacturer: NS

350mW Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4818MX NS 11766 In Stock

Description and Introduction

350mW Audio Power Amplifier with Shutdown Mode The LM4818MX is a dual audio power amplifier manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Output Power:** 105mW per channel into 16Ω at 5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1kHz, 1mW output  
- **Quiescent Current:** 4mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
- The LM4818MX is a dual, bridge-tied load (BTL) audio power amplifier designed for portable applications.  
- It operates from a single supply and requires minimal external components.  
- It features thermal shutdown and short-circuit protection.  

### **Features:**  
- Dual BTL audio power amplifier  
- Low shutdown current (0.1μA)  
- No output coupling capacitors required  
- Improved PSRR (Power Supply Rejection Ratio)  
- Thermal shutdown protection  
- Short-circuit protection  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

350mW Audio Power Amplifier with Shutdown Mode

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