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LM4674SQ/NOPB from NS,National Semiconductor

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LM4674SQ/NOPB

Manufacturer: NS

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-WQFN -40 to 85

Partnumber Manufacturer Quantity Availability
LM4674SQ/NOPB,LM4674SQNOPB NS 1000 In Stock

Description and Introduction

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-WQFN -40 to 85 The LM4674SQ/NOPB is a mono 2.65W Class D 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%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.3% (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-WSON (3mm x 3mm)  

### **Descriptions:**  
The LM4674SQ/NOPB is a high-efficiency, filterless Class D audio amplifier designed for portable applications. It operates from a single supply and includes an integrated depop circuit to minimize audible noise during power-up and shutdown.  

### **Features:**  
- Filterless Class D operation  
- Low shutdown current (<1µA)  
- Improved pop-and-click suppression  
- Thermal and short-circuit protection  
- Space-saving WSON package  

This device is optimized for battery-powered applications such as mobile phones, portable media players, and gaming devices.

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