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LM4871LD/NOPB from NS,National Semiconductor

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LM4871LD/NOPB

Manufacturer: NS

Boomer Series: 3W Audio Amplifier with Shutdown Mode 8-WSON -40 to 85

Partnumber Manufacturer Quantity Availability
LM4871LD/NOPB,LM4871LDNOPB NS 428 In Stock

Description and Introduction

Boomer Series: 3W Audio Amplifier with Shutdown Mode 8-WSON -40 to 85 The LM4871LD/NOPB is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 3W (into 3Ω at 5V, THD+N = 10%)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 2.6mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N:** 0.2% (typical at 1kHz, 1W into 3Ω)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Gain:** 6dB (fixed)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin WSON  

### **Descriptions:**  
The LM4871LD/NOPB is designed for battery-powered applications, providing high-quality audio amplification with low power consumption. It features a bridge-tied load (BTL) configuration, eliminating the need for an output coupling capacitor.  

### **Features:**  
- No output coupling capacitors required  
- Improved PSRR reduces power supply noise  
- Low shutdown current (<0.1μA)  
- Thermal shutdown protection  
- Short-circuit and overvoltage protection  
- Space-saving WSON package  

This amplifier is suitable for portable devices such as mobile phones, PDAs, and portable media players.

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