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LM4839LQ from NSC,National Semiconductor

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LM4839LQ

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM4839LQ NSC 890 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with DC Volume Control, Bass Boost, and Input Mux The LM4839LQ is a stereo audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Stereo Audio Power Amplifier  
- **Output Power:** 2.2W per channel into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 4mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (typical at 1kHz, 1W into 4Ω)  
- **Signal-to-Noise Ratio (SNR):** 90dB (typical)  
- **Package:** 32-pin LQFP  

### **Descriptions:**  
The LM4839LQ is a low-voltage, high-performance stereo audio amplifier designed for portable applications. It features a low quiescent current and shutdown mode for power efficiency.  

### **Features:**  
- **Stereo Bridge-Tied Load (BTL) Output**  
- **Low External Component Count**  
- **Thermal and Short-Circuit Protection**  
- **Click-and-Pop Suppression Circuitry**  
- **Unity-Gain Stable**  
- **Surface-Mount Package (LQFP-32)**  

This information is based on the manufacturer's datasheet. For detailed specifications, refer to the official documentation.

Application Scenarios & Design Considerations

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

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