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LM4839LQX from NS,National Semiconductor

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LM4839LQX

Manufacturer: NS

Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux

Partnumber Manufacturer Quantity Availability
LM4839LQX NS 3854 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux The LM4839LQX is a manufacturer by National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Amplifier  
- **Output Power:** 2.1W per channel (into 4Ω at 5V)  
- **Operating Voltage:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Package:** 32-pin LLP (Leadless Leadframe Package)  

**Descriptions:**  
- A stereo audio power amplifier with integrated boost converter.  
- Designed for portable audio applications.  
- Includes features for improved efficiency and battery life.  

**Features:**  
- Stereo Class D amplifier with integrated boost converter.  
- Low shutdown current for power savings.  
- Thermal and short-circuit protection.  
- Pop-and-click suppression circuitry.  
- I²C control interface for volume and configuration.  

(Note: National Semiconductor was acquired by Texas Instruments in 2011.)

Application Scenarios & Design Considerations

Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux

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