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LM4990ITLX from NS/PBF,National Semiconductor

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LM4990ITLX

Manufacturer: NS/PBF

2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level

Partnumber Manufacturer Quantity Availability
LM4990ITLX NS/PBF 516 In Stock

Description and Introduction

2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level The LM4990ITLX/NOPB is a mono 2.65W audio power amplifier from Texas Instruments (formerly National Semiconductor).  

### **Key Specifications:**  
- **Output Power:** 2.65W into 4Ω at 5V  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-WSON (3mm x 3mm)  

### **Features:**  
- **Efficiency:** Class-D operation with up to 90% efficiency  
- **Low Power Consumption:** 2.7mA quiescent current  
- **Pop & Click Suppression:** Reduces noise during power-up/down  
- **Thermal & Short-Circuit Protection:** Built-in safeguards  
- **Small Footprint:** Suitable for portable applications  

### **Applications:**  
- Mobile phones  
- Portable media players  
- Notebook PCs  
- Gaming devices  

This device is RoHS-compliant and lead-free (PBF).

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