IC Phoenix logo

Home ›  L  › L44 > LM4670SD/NOPB

LM4670SD/NOPB from NSC,National Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LM4670SD/NOPB

Manufacturer: NSC

Filterless High Efficiency 3W Switching Audio Amplifier 8-WSON -40 to 85

Partnumber Manufacturer Quantity Availability
LM4670SD/NOPB,LM4670SDNOPB NSC 6793 In Stock

Description and Introduction

Filterless High Efficiency 3W Switching Audio Amplifier 8-WSON -40 to 85 The LM4670SD/NOPB is a mono 2.65W Class D audio power amplifier manufactured by National Semiconductor (NSC).  

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

### **Descriptions:**  
The LM4670SD/NOPB is a high-efficiency, filterless Class D audio amplifier designed for portable applications. It features a low-power shutdown mode and requires minimal external components.  

### **Features:**  
- Filterless Class D operation  
- Low quiescent current (2.2mA typical)  
- Improved PSRR (Power Supply Rejection Ratio)  
- Thermal shutdown protection  
- Short-circuit protection  
- Pop-and-click suppression  

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

Application Scenarios & Design Considerations

Filterless High Efficiency 3W Switching Audio Amplifier 8-WSON -40 to 85

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips