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LM4670ITLX from NS,National Semiconductor

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LM4670ITLX

Manufacturer: NS

Filterless High Efficiency 3W Switching Audio Amplifier

Partnumber Manufacturer Quantity Availability
LM4670ITLX NS 5157 In Stock

Description and Introduction

Filterless High Efficiency 3W Switching Audio Amplifier The LM4670ITLX is a mono 2.65W Class D audio power amplifier manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Power:** 2.65W into 4Ω at 5V  
- **Efficiency:** Up to 90%  
- **Supply Voltage Range:** 2.4V to 5.5V  
- **THD+N:** 0.3% (typical at 1W into 4Ω)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin WSON (3mm x 3mm)  

### **Descriptions:**  
- The LM4670ITLX is a high-efficiency, filterless Class D amplifier designed for portable audio applications.  
- It features a low-power shutdown mode and requires minimal external components.  
- The device includes thermal shutdown and click-and-pop suppression.  

### **Features:**  
- Filterless Class D operation  
- Low shutdown current  
- Improved RF noise immunity  
- Thermal shutdown protection  
- Click-and-pop suppression  
- Space-saving WSON package  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Filterless High Efficiency 3W Switching Audio Amplifier

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