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LM4914MHX from NS,National Semiconductor

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LM4914MHX

Manufacturer: NS

1W Monaural, 85mW Stereo Headphone Audio Amplifier

Partnumber Manufacturer Quantity Availability
LM4914MHX NS 19 In Stock

Description and Introduction

1W Monaural, 85mW Stereo Headphone Audio Amplifier The LM4914MHX is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Shutdown Current:** 0.01μA (typical)  
- **Quiescent Current:** 2.2mA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-Pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM4914MHX is designed for portable audio applications, providing high-quality output with minimal external components. It features a shutdown mode for power savings and operates efficiently from a single supply.  

### **Features:**  
- **Bridged Output:** Eliminates the need for output coupling capacitors  
- **Low Shutdown Current:** Enhances battery life  
- **Improved PSRR:** Reduces power supply noise interference  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Space-Saving Package:** Suitable for compact designs  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1W Monaural, 85mW Stereo Headphone Audio Amplifier

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