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LM4865MMX from NSC,National Semiconductor

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LM4865MMX

Manufacturer: NSC

750mW Audio Power Amplifier with DC Volume Control and Headphone Switch

Partnumber Manufacturer Quantity Availability
LM4865MMX NSC 9000 In Stock

Description and Introduction

750mW Audio Power Amplifier with DC Volume Control and Headphone Switch The LM4865MMX is a manufacturer NSC (National Semiconductor) audio power amplifier. 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:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC (MMX)  
- **Total Harmonic Distortion (THD):** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **Shutdown Current:** 0.1μA (typical)  
- **Quiescent Current:** 3.5mA (typical)  

### **Descriptions:**  
The LM4865MMX is a dual bridge-connected audio power amplifier designed for applications requiring high-quality audio output with low power consumption. It is optimized for portable devices such as mobile phones, PDAs, and portable media players. The amplifier operates from a single supply voltage and includes thermal shutdown protection.  

### **Features:**  
- **Bridge-Tied Load (BTL) Configuration** – Eliminates output coupling capacitors.  
- **Low Quiescent Current** – Extends battery life in portable devices.  
- **Shutdown Mode** – Reduces power consumption when not in use.  
- **Thermal Shutdown Protection** – Prevents damage from overheating.  
- **Improved PSRR (Power Supply Rejection Ratio)** – Reduces noise from supply variations.  
- **Space-Saving 8-Pin SOIC Package** – Suitable for compact designs.  

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

Application Scenarios & Design Considerations

750mW Audio Power Amplifier with DC Volume Control and Headphone Switch

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