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LM4840MT from NS,National Semiconductor

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LM4840MT

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM4840MT NS 29 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux The LM4840MT 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:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Pin TSSOP (Thin Shrink Small Outline Package)  

### **Descriptions:**  
The LM4840MT 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. It includes thermal shutdown and click-and-pop suppression circuitry.

### **Features:**  
- Dual bridge amplifier configuration  
- Low supply current (4mA typical)  
- Thermal shutdown protection  
- Click-and-pop suppression  
- No external output coupling capacitors required  
- Shutdown current: <1µA  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

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