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LM4902LDX from NS,National Semiconductor

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LM4902LDX

Manufacturer: NS

265mW at 3.3V Supply Audio Power Amplifier with Shutdown Mode

Partnumber Manufacturer Quantity Availability
LM4902LDX NS 4500 In Stock

Description and Introduction

265mW at 3.3V Supply Audio Power Amplifier with Shutdown Mode The LM4902LDX is a manufacturer by National Semiconductor (NS). Here are the specifications, descriptions, and features:  

### **Descriptions:**  
- The LM4902LDX is a dual-channel audio power amplifier designed for portable electronic devices.  
- It operates from a single supply voltage and is optimized for driving stereo headphones.  
- The device features a low-power shutdown mode for power-saving applications.  

### **Features:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Output Power:** Up to 105mW per channel into 32Ω at 5V  
- **Low Quiescent Current:** 2.6mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Improved PSRR (Power Supply Rejection Ratio):** 70dB at 217Hz  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Pop & Click Suppression Circuitry**  
- **Thermal Shutdown Protection**  
- **Available in a 10-pin LLP package**  

### **Applications:**  
- Mobile phones  
- Portable media players  
- Handheld gaming devices  
- Other battery-powered audio applications  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

265mW at 3.3V Supply Audio Power Amplifier with Shutdown Mode

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