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LM4894MMX from NS,National Semiconductor

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LM4894MMX

Manufacturer: NS

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

Partnumber Manufacturer Quantity Availability
LM4894MMX NS 1000 In Stock

Description and Introduction

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select The LM4894MMX is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Output Power:** 2.5W into 4Ω at 5V (THD+N = 1%)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.7mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N:** 0.3% (typical at 1kHz, 1W into 4Ω)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin VSSOP (MMX)  

**Descriptions and Features:**  
- Designed for portable audio applications  
- Bridge-tied load (BTL) configuration eliminates the need for output coupling capacitors  
- Low quiescent current extends battery life  
- Shutdown mode for power saving  
- Improved pop-and-click suppression circuitry  
- Thermal shutdown protection  
- Space-saving VSSOP package  

The LM4894MMX is suitable for mobile phones, PDAs, and other battery-powered audio devices.

Application Scenarios & Design Considerations

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

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