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LM4894ITL from NS,National Semiconductor

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LM4894ITL

Manufacturer: NS

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

Partnumber Manufacturer Quantity Availability
LM4894ITL NS 2286 In Stock

Description and Introduction

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select The LM4894ITL is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V (THD+N = 1%)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.6mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N:** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM4894ITL is designed for portable audio applications, providing high-quality audio output with low power consumption. It features a shutdown mode for power savings and operates efficiently from a single supply voltage.  

### **Features:**  
- **Bridge-Tied Load (BTL) Configuration**  
- **Low Quiescent Current**  
- **Low Shutdown Current**  
- **No Output Coupling Capacitors Required**  
- **Improved PSRR (Power Supply Rejection Ratio)**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  

This amplifier is commonly used in mobile phones, portable media players, and other battery-powered audio devices.

Application Scenarios & Design Considerations

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

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