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LM4873MTE from NS,National Semiconductor

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LM4873MTE

Manufacturer: NS

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

Partnumber Manufacturer Quantity Availability
LM4873MTE NS 7541 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTE is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 1.1W (into 8Ω at 5V, THD+N = 10%)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 2.6mA (typical)  
- **Shutdown Current:** 0.1µA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **Signal-to-Noise Ratio (SNR):** 95dB (A-weighted)  
- **Package:** 16-Pin TSSOP (MTE)  

### **Descriptions:**  
- The LM4873MTE is designed for low-voltage applications such as portable electronics.  
- It features a bridge-tied load (BTL) configuration, eliminating the need for an output coupling capacitor.  
- The device includes a thermal shutdown protection circuit.  

### **Features:**  
- **Bridged Output (BTL):** No output capacitor required.  
- **Low Quiescent Current:** Enhances battery life.  
- **Shutdown Mode:** Reduces power consumption when inactive.  
- **Thermal Protection:** Prevents overheating.  
- **Improved PSRR:** Minimizes power supply noise interference.  
- **Wide Supply Voltage Range:** Suitable for battery-powered devices.  

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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