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LM4878IBPX from NS,National Semiconductor

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LM4878IBPX

Manufacturer: NS

1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low

Partnumber Manufacturer Quantity Availability
LM4878IBPX NS 56644 In Stock

Description and Introduction

1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low The LM4878IBPX is a mono 3W audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 3W into 4Ω at 5V  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 2.5mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1W into 4Ω  
- **Gain:** Internally fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions and Features:**  
- Designed for portable audio applications  
- No output coupling capacitors required  
- Improved pop-and-click suppression  
- Thermal shutdown protection  
- Unity-gain stable  
- Low external component count  
- High PSRR (Power Supply Rejection Ratio)  

The LM4878IBPX is optimized for battery-powered devices such as mobile phones, portable media players, and other compact audio systems.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low

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