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LM4892MM from NSC,National Semiconductor

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LM4892MM

Manufacturer: NSC

1 Watt Audio Power Amplifier with Headphone Sense

Partnumber Manufacturer Quantity Availability
LM4892MM NSC 23 In Stock

Description and Introduction

1 Watt Audio Power Amplifier with Headphone Sense The LM4892MM is a manufacturer by National Semiconductor (NSC). It is a 1.1W audio power amplifier with an integrated boost converter, designed for use in portable electronic devices.  

### **Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V (with boost converter)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.5mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.3% (typical)  
- **Signal-to-Noise Ratio (SNR):** 90dB (typical)  
- **Package:** 10-pin MSOP (MM)  

### **Descriptions:**  
The LM4892MM integrates a Class D audio amplifier with a boost converter, allowing efficient operation from low-voltage supplies. It is optimized for battery-powered applications such as mobile phones, portable media players, and other handheld devices.  

### **Features:**  
- Integrated boost converter for higher output power  
- Low shutdown current for power savings  
- Pop-and-click suppression circuitry  
- Thermal shutdown protection  
- Short-circuit protection  
- Space-saving MSOP package  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier with Headphone Sense

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