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LM4879IBLX from NS,National Semiconductor

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LM4879IBLX

Manufacturer: NS

1.1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4879IBLX NS 5852 In Stock

Description and Introduction

1.1 Watt Audio Power Amplifier The LM4879IBLX is a mono 2.65W audio power amplifier manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Power:** 2.65W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Efficiency:** Up to 90% (Class D operation)  
- **THD+N:** 0.3% (typical at 1W, 4Ω, 5V)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin WSON  

### **Descriptions:**  
The LM4879IBLX is a Class D audio amplifier designed for portable applications, providing high efficiency and low power consumption. It features a shutdown mode for power savings and requires minimal external components.  

### **Features:**  
- **High Efficiency (Class D Operation)**  
- **Low Quiescent Current (4mA typical)**  
- **Improved PSRR (Power Supply Rejection Ratio)**  
- **Thermal and Short-Circuit Protection**  
- **Click-and-Pop Suppression**  
- **Small Footprint (WSON-8 Package)**  

This amplifier is commonly used in mobile phones, portable media players, and other battery-powered audio devices.

Application Scenarios & Design Considerations

1.1 Watt Audio Power Amplifier

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