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LM4840MHX from NS,National Semiconductor

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LM4840MHX

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM4840MHX NS 481 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux The LM4840MHX is a manufacturer by National Semiconductor (NS). Here are its key 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  
- **Total Harmonic Distortion + Noise (THD+N):** 1% (typical)  
- **Shutdown Current:** 0.6µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
- The LM4840MHX is a dual-channel audio amplifier designed for portable applications.  
- It includes a stereo headphone amplifier and a bridge-tied load (BTL) speaker amplifier.  
- Features a low-power shutdown mode for power-saving operation.  

### **Features:**  
- **Dual Amplifiers:** Combines a stereo headphone amp and a mono BTL speaker amp.  
- **Low Voltage Operation:** Works efficiently from 2.7V to 5.5V.  
- **Thermal Protection:** Includes thermal shutdown circuitry.  
- **Pop/Click Suppression:** Minimizes noise during power-up/down.  
- **Space-Saving Package:** 28-pin LLP for compact designs.  

This information is strictly 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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