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LM4864LD from NS,National Semiconductor

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LM4864LD

Manufacturer: NS

300 mW Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4864LD NS 1823 In Stock

Description and Introduction

300 mW Audio Power Amplifier with Shutdown Mode The LM4864LD is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W per channel into 8Ω (at 5V)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)  
- **Quiescent Current:** 4mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM4864LD is a dual bridge-connected audio power amplifier designed for portable electronic devices. It operates from a single supply voltage and delivers high-quality audio output with minimal external components.  

### **Features:**  
- **Dual Bridge Configuration** – Drives two speakers without external coupling capacitors.  
- **Low Quiescent Current** – Extends battery life in portable applications.  
- **Thermal Shutdown Protection** – Prevents damage from overheating.  
- **Short-Circuit Protection** – Safeguards against output shorts.  
- **Space-Saving Package** – 8-pin LLP for compact PCB designs.  
- **No External Bootstrap Capacitors Required** – Simplifies circuit design.  

This information is based on the manufacturer's datasheet.

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