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LM4831VF from NS,National Semiconductor

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LM4831VF

Manufacturer: NS

Multimedia Computer Audio Chip

Partnumber Manufacturer Quantity Availability
LM4831VF NS 190 In Stock

Description and Introduction

Multimedia Computer Audio Chip The LM4831VF is a manufacturer by National Semiconductor (NS). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Type:** Audio Power Amplifier  
- **Package:** 44-Pin TQFP  
- **Operating Voltage:** 2.7V to 5.5V  
- **Output Power:** Up to 1.1W per channel (into 8Ω at 5V)  
- **Total Harmonic Distortion + Noise (THD+N):** <1% (typical)  
- **Signal-to-Noise Ratio (SNR):** >90dB  
- **Shutdown Current:** <1μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM4831VF is a low-voltage, high-performance audio power amplifier designed for portable applications. It features a stereo bridge-tied load (BTL) configuration, eliminating the need for external coupling capacitors. The device includes volume control, bass boost, and shutdown functionality, making it suitable for battery-powered devices like smartphones, PDAs, and portable media players.  

### **Features:**  
- Stereo BTL audio power amplifier  
- No external output coupling capacitors required  
- Integrated digital volume control  
- Selectable bass boost enhancement  
- Low shutdown current (<1μA)  
- Thermal shutdown protection  
- Short-circuit protection  
- Pop-and-click suppression during power-up/down  

This information is strictly factual from the available knowledge base.

Application Scenarios & Design Considerations

Multimedia Computer Audio Chip

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