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LM4878IBP from NSC,National Semiconductor

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LM4878IBP

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LM4878IBP NSC 88 In Stock

Description and Introduction

1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low The LM4878IBP is a mono bridged audio power amplifier manufactured by National Semiconductor (NSC).  

**Specifications:**  
- **Output Power:** 3W (into 3Ω at 5V, THD+N = 10%)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Shutdown Current:** 0.6μA (typical)  
- **Quiescent Current:** 2.2mA (typical)  
- **THD+N:** 0.3% (typical at 1kHz, 1W into 3Ω)  
- **PSRR:** 60dB (typical at 217Hz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin PDIP  

**Descriptions and Features:**  
- Designed for battery-powered applications  
- Bridge-tied load (BTL) configuration eliminates output coupling capacitors  
- Improved pop-and-click circuitry reduces noise during power-up/down  
- Unity-gain stable  
- Thermal shutdown protection  
- Short-circuit and overvoltage protection  
- Space-saving 8-pin PDIP package  

This amplifier is optimized for portable audio devices such as mobile phones and portable media players.

Application Scenarios & Design Considerations

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

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