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LM4840MH from NS,National Semiconductor

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LM4840MH

Manufacturer: NS

Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux

Partnumber Manufacturer Quantity Availability
LM4840MH NS 452 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux The LM4840MH is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 2.5W per channel (into 4Ω at 5V)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Total Harmonic Distortion (THD):** <1% (typical)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM4840MH is a dual bridge-connected audio power amplifier designed for portable electronic devices. It features a low-voltage operation, making it suitable for battery-powered applications. The device includes thermal shutdown and short-circuit protection.

### **Features:**  
- Dual bridge amplifier configuration  
- Low quiescent current  
- No output coupling capacitors required  
- Thermal shutdown protection  
- Short-circuit protection  
- Space-saving LLP package  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux

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