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LM4894IBPX from NS,National Semiconductor

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LM4894IBPX

Manufacturer: NS

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

Partnumber Manufacturer Quantity Availability
LM4894IBPX NS 3000 In Stock

Description and Introduction

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select The LM4894IBPX is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Output Power:** 1.1W (typical) into an 8Ω load at 5V supply  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.2mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical) at 217Hz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin LLP (Leadless Leadframe Package)  

**Descriptions and Features:**  
- Designed for portable audio applications  
- Bridge-tied load (BTL) configuration eliminates the need for external coupling capacitors  
- Integrated click-and-pop suppression circuitry  
- Low shutdown current for power-saving operation  
- Thermal shutdown protection  
- Short-circuit and overvoltage protection  
- Space-saving LLP package  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

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