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LM4842LQ from NS,NS,National Semiconductor

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LM4842LQ

Manufacturer: NS,NS

Stereo 2W Amplifiers with DC Volume Control, Transient-Free Outputs, and Cap-less Headphone Drive

Partnumber Manufacturer Quantity Availability
LM4842LQ NS,NS 83000 In Stock

Description and Introduction

Stereo 2W Amplifiers with DC Volume Control, Transient-Free Outputs, and Cap-less Headphone Drive The LM4842LQ is a manufacturer by National Semiconductor (NS).  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 2.1W per channel (into 4Ω at 5V, THD+N = 10%)  
- **Number of Channels:** 2 (Stereo)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** LQFP (Low-Profile Quad Flat Pack)  

### **Descriptions:**  
The LM4842LQ is a stereo audio power amplifier designed for portable applications. It features low power consumption and high efficiency, making it suitable for battery-powered devices.  

### **Features:**  
- **Stereo Bridge-Tied Load (BTL) Output**  
- **Low Quiescent Current (4.5mA typical)**  
- **Thermal and Short-Circuit Protection**  
- **Pop-and-Click Suppression Circuitry**  
- **No External Output Coupling Capacitors Required**  
- **Space-Saving LQFP Package**  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Stereo 2W Amplifiers with DC Volume Control, Transient-Free Outputs, and Cap-less Headphone Drive

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