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LM4894ITLX from NS,National Semiconductor

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LM4894ITLX

Manufacturer: NS

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

Partnumber Manufacturer Quantity Availability
LM4894ITLX NS 2196 In Stock

Description and Introduction

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select The LM4894ITLX is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 2.8W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Shutdown Current:** <1μA  
- **Quiescent Current:** 2.6mA (typical)  
- **THD+N:** 0.3% (typical at 1W, 4Ω, 5V)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin LLP (3mm x 3mm)  

### **Descriptions:**  
The LM4894ITLX is designed for portable audio applications, providing high-quality audio output with low power consumption. It features a bridge-tied load (BTL) configuration, eliminating the need for an output coupling capacitor.  

### **Features:**  
- **Low Quiescent Current:** Enhances battery life in portable devices.  
- **Shutdown Mode:** Reduces power consumption when not in use.  
- **Improved PSRR:** Minimizes noise from power supply variations.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **No Output Coupling Capacitor Needed:** Saves board space and cost.  
- **Surface-Mount Package:** Compact footprint for space-constrained designs.  

This information is based on the manufacturer's datasheet. For detailed specifications, refer to the official documentation.

Application Scenarios & Design Considerations

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

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