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LM4860MX from NS,National Semiconductor

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LM4860MX

Manufacturer: NS

1 Watt Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4860MX NS 4797 In Stock

Description and Introduction

1 Watt Audio Power Amplifier with Shutdown Mode The LM4860MX is a power amplifier manufactured by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **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:** SOIC-8  
- **Total Harmonic Distortion (THD):** 0.2% (typical) at 1kHz, 1W output  
- **Quiescent Current:** 4mA (typical)  
- **Shutdown Current:** 0.6µA (typical)  

### **Descriptions:**  
The LM4860MX is a bridge-tied load (BTL) audio power amplifier designed for low-voltage applications. It is optimized for driving speakers in portable devices such as mobile phones, PDAs, and portable media players. The amplifier operates from a single supply and features a shutdown mode for power savings.  

### **Features:**  
- **Bridge-Tied Load (BTL) Configuration** – Eliminates the need for output coupling capacitors.  
- **Low Quiescent Current** – Enhances battery life in portable applications.  
- **Thermal Shutdown Protection** – Prevents damage from overheating.  
- **Unity-Gain Stable** – Requires minimal external components.  
- **Shutdown Mode** – Reduces power consumption when not in use.  
- **Improved PSRR (Power Supply Rejection Ratio)** – Reduces noise from power supply variations.  

This information is sourced directly from the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier with Shutdown Mode

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