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LM4908MM from NS,National Semiconductor

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LM4908MM

Manufacturer: NS

LM4908 10kV ESD Rated, Dual 120mW Headphone Amplifier

Partnumber Manufacturer Quantity Availability
LM4908MM NS 8000 In Stock

Description and Introduction

LM4908 10kV ESD Rated, Dual 120mW Headphone Amplifier The LM4908MM is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Package:** 8-Pin Mini Small Outline Package (MSOP)  
- **Output Power:** 1W per channel into 8Ω (stereo)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Total Harmonic Distortion + Noise (THD+N):** <1% (typical)  
- **Shutdown Current:** <1µA (typical)  
- **Quiescent Current:** 3.5mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The LM4908MM is a stereo audio power amplifier designed for portable applications. It features a low-voltage operation, making it suitable for battery-powered devices. The amplifier includes an internal depop circuitry to reduce turn-on/off transients and thermal shutdown protection.  

### **Features:**  
- **Stereo Operation:** Two independent amplifier channels.  
- **Low Voltage Operation:** Works efficiently at supply voltages as low as 2.7V.  
- **Low Shutdown Current:** Extends battery life in portable devices.  
- **No Output Coupling Capacitors:** Eliminates the need for external DC-blocking capacitors.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Improved PSRR (Power Supply Rejection Ratio):** Reduces noise from power supply variations.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

LM4908 10kV ESD Rated, Dual 120mW Headphone Amplifier

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