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LM4670ITLX/NOPB from NS,National Semiconductor

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LM4670ITLX/NOPB

Manufacturer: NS

Filterless High Efficiency 3W Switching Audio Amplifier 9-DSBGA -40 to 85

Partnumber Manufacturer Quantity Availability
LM4670ITLX/NOPB,LM4670ITLXNOPB NS 2900 In Stock

Description and Introduction

Filterless High Efficiency 3W Switching Audio Amplifier 9-DSBGA -40 to 85 The LM4670ITLX/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:** 2.4V 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 (3mm x 3mm)  

### **Descriptions and Features:**  
- **Class D Operation:** Provides high efficiency with low power dissipation.  
- **Low Quiescent Current:** 2.4mA (typical) for battery-powered applications.  
- **Integrated Depop Circuitry:** Reduces audible noise during power-up/down.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Filterless Operation:** Eliminates the need for external LC filters.  
- **Low EMI:** Designed to minimize electromagnetic interference.  
- **Applications:** Portable electronics, smartphones, tablets, and multimedia devices.  

This amplifier is optimized for space-constrained, battery-powered audio applications.

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