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LM4668MHX from NSC,National Semiconductor

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LM4668MHX

Manufacturer: NSC

10W High-Efficiency Mono BTL Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4668MHX NSC 4652 In Stock

Description and Introduction

10W High-Efficiency Mono BTL Audio Power Amplifier The LM4668MHX is a mono 2.65W audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Power:** 2.65W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Shutdown Current:** <1µA  
- **Quiescent Current:** 3.5mA (typical)  
- **Efficiency:** Up to 90% (Class D operation)  
- **THD+N:** 0.2% (typical at 1W, 4Ω, 5V)  
- **PSRR:** 60dB (typical at 217Hz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (exposed pad)  

### **Descriptions and Features:**  
- **Class D Operation:** High efficiency with low power dissipation.  
- **Low External Component Count:** Requires minimal external components.  
- **Thermal and Short-Circuit Protection:** Built-in safeguards for reliability.  
- **Pop-and-Click Suppression:** Reduces noise during power-up/down.  
- **Shutdown Mode:** Ultra-low current consumption when disabled.  
- **Single-Supply Operation:** Suitable for battery-powered applications.  
- **Applications:** Portable audio devices, mobile phones, PDAs, and other low-power audio systems.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

10W High-Efficiency Mono BTL Audio Power Amplifier

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