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LM4680SD from NS,NS,National Semiconductor

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LM4680SD

Manufacturer: NS,NS

10W High-Efficiency Mono BTL Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4680SD NS,NS 500 In Stock

Description and Introduction

10W High-Efficiency Mono BTL Audio Power Amplifier The LM4680SD is a digital input Class D audio amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Type:** Digital input Class D audio amplifier  
- **Output Power:** 2 x 10W (into 4Ω at 5V supply)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Efficiency:** Up to 90%  
- **Signal-to-Noise Ratio (SNR):** >100dB  
- **Total Harmonic Distortion + Noise (THD+N):** <0.1%  
- **Sampling Rate:** Supports up to 48kHz  
- **Package:** 20-pin LLP (Leadless Leadframe Package)  
- **Interface:** I²S digital input  

### **Descriptions:**  
The LM4680SD is designed for high-efficiency audio amplification in portable and battery-powered applications. It accepts digital audio input directly, eliminating the need for an external DAC.  

### **Features:**  
- **Digital Input:** Direct I²S interface  
- **Low Power Consumption:** Optimized for battery life  
- **Pop-and-Click Suppression:** Minimizes noise during power-up/down  
- **Thermal and Short-Circuit Protection:** Built-in safeguards  
- **Small Footprint:** Suitable for space-constrained designs  
- **Low EMI:** Compliant with FCC and CE standards  

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

Application Scenarios & Design Considerations

10W High-Efficiency Mono BTL Audio Power Amplifier

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