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LM4680SDX from NS,National Semiconductor

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LM4680SDX

Manufacturer: NS

10W High-Efficiency Mono BTL Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4680SDX NS 2500 In Stock

Description and Introduction

10W High-Efficiency Mono BTL Audio Power Amplifier The LM4680SDX is a stereo audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 2.5W per channel into 4Ω at 5V  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical) at 1W into 4Ω  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM4680SDX is a Class AB stereo amplifier designed for portable audio applications. It features low power consumption, high efficiency, and a compact form factor, making it suitable for battery-powered devices like smartphones, tablets, and portable media players.  

### **Features:**  
- **Stereo Operation:** Supports two-channel audio output  
- **Low Quiescent Current:** Reduces power consumption  
- **Thermal and Short-Circuit Protection:** Enhances reliability  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down  
- **Shutdown Mode:** Ultra-low current consumption when inactive  
- **Surface-Mount Package (LLP):** Optimized for space-constrained designs  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

10W High-Efficiency Mono BTL Audio Power Amplifier

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