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LM4667ITL/NOPB from NSC,National Semiconductor

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LM4667ITL/NOPB

Manufacturer: NSC

Filterless High Efficiency 1.3W Switching Audio Amplifier 9-DSBGA -40 to 85

Partnumber Manufacturer Quantity Availability
LM4667ITL/NOPB,LM4667ITLNOPB NSC 2750 In Stock

Description and Introduction

Filterless High Efficiency 1.3W Switching Audio Amplifier 9-DSBGA -40 to 85 The LM4667ITL/NOPB is a Class D audio amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Class D Stereo Audio Power Amplifier  
- **Output Power:** 2.1W per channel into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Efficiency:** Up to 90% (Class D operation)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin DSBGA (Micro SMD)  

### **Descriptions:**  
The LM4667ITL/NOPB is a high-efficiency, stereo Class D audio amplifier designed for portable applications. It features a low-power shutdown mode and operates from a single supply, making it suitable for battery-powered devices.  

### **Features:**  
- **Stereo Class D Operation**  
- **Low Quiescent Current (4mA typical)**  
- **Click-and-Pop Suppression**  
- **Thermal and Short-Circuit Protection**  
- **No External Output Filters Required**  
- **Space-Saving DSBGA Package**  

This amplifier is commonly used in mobile phones, portable media players, and other compact audio applications.

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