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LM4873LQ from NS,National Semiconductor

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LM4873LQ

Manufacturer: NS

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

Partnumber Manufacturer Quantity Availability
LM4873LQ NS 16696 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873LQ is a manufacturer by National Semiconductor (NS). Here are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Type:** Audio Power Amplifier  
- **Output Power:** 3W (into 4Ω at 5V)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin LLP (Leadless Leadframe Package)  
- **THD+N (Total Harmonic Distortion + Noise):** <1% (typical)  
- **Shutdown Current:** <1μA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 60dB (typical)  

### **Descriptions:**
- The LM4873LQ is a mono Class D audio amplifier designed for portable applications.  
- It features a low-power shutdown mode for improved battery life.  
- The device includes thermal and short-circuit protection.  

### **Features:**
- **Efficiency:** High efficiency due to Class D operation.  
- **Low Quiescent Current:** Reduces power consumption in standby mode.  
- **Pop-and-Click Suppression:** Minimizes noise during power-up/down.  
- **Small Footprint:** Suitable for space-constrained designs.  
- **Single-Supply Operation:** Simplifies power requirements.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

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