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LM4911LDX from NS,National Semiconductor

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LM4911LDX

Manufacturer: NS

LM4911 Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output

Partnumber Manufacturer Quantity Availability
LM4911LDX NS 9000 In Stock

Description and Introduction

LM4911 Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output The LM4911LDX 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  
- **Shutdown Current:** 0.01μA (typical)  
- **Quiescent Current:** 2.2mA (typical)  
- **THD+N:** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions and Features:**  
- Designed for mono bridged audio applications.  
- Features a shutdown mode for low power consumption.  
- Includes click-and-pop suppression circuitry.  
- No output coupling capacitors required.  
- Thermal shutdown protection.  
- Unity-gain stable.  
- Optimized for portable devices such as mobile phones and PDAs.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

LM4911 Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output

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