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LM4873MTEX from NS,National Semiconductor

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LM4873MTEX

Manufacturer: NS

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

Partnumber Manufacturer Quantity Availability
LM4873MTEX NS 12500 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTEX is a manufacturer by National Semiconductor (NS). Here are the key specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Mono Audio Amplifier  
- **Output Power:** 3W (into 3Ω load, 5V supply)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Shutdown Current:** <1µA  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical at 1W, 4Ω)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin TSSOP  

### **Descriptions:**  
- Designed for battery-powered applications.  
- Features a low-power consumption shutdown mode.  
- Includes thermal shutdown and click-and-pop suppression.  

### **Features:**  
- **Bridge-Tied Load (BTL) Configuration:** Eliminates output coupling capacitors.  
- **Low Quiescent Current:** 4mA (typical).  
- **Improved PSRR (Power Supply Rejection Ratio):** Reduces power supply noise.  
- **No External Compensation Required.**  
- **Unity-Gain Stable.**  

This information is sourced directly from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

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