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LM4915LQ from NS,National Semiconductor

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LM4915LQ

Manufacturer: NS

LM4915 Pseudo-Differential Mono Headphone Amplifier with Fixed 6dB Gain

Partnumber Manufacturer Quantity Availability
LM4915LQ NS 16000 In Stock

Description and Introduction

LM4915 Pseudo-Differential Mono Headphone Amplifier with Fixed 6dB Gain The LM4915LQ is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Audio Amplifier (Mono, Class AB)  
- **Output Power:** Up to 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.5mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **PSRR (Power Supply Rejection Ratio):** 60dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
- The LM4915LQ is a mono, bridged audio power amplifier designed for portable applications.  
- It operates from a single supply and features a shutdown mode for power saving.  
- It is optimized for driving speakers in mobile phones, PDAs, and other battery-powered devices.  

### **Features:**  
- **Bridged Output:** Eliminates the need for external coupling capacitors.  
- **Low Quiescent Current:** Enhances battery life.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Improved PSRR:** Reduces power supply noise interference.  
- **Small Footprint:** 20-pin LLP package for space-constrained designs.  

This information is based on the manufacturer's datasheet.

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