Product Model

LM4871

Introduction

LM4871 is an audio power amplifier IC designed for portable communication devices

Brand and Manufacturer

NS (National Semiconductor)

Features

Low voltage audio power amplifier

Capable of delivering 3W of continuous average power

No need for bootstrap capacitors or snubber circuits

Unity-gain stable

External gain configuration capability

THD+N at 0.08% at 1kHz (typical)

Product Performance

High-quality audio output

Excellent signal-to-noise ratio

Efficiency optimized for low-power applications

Technical Specifications

Supply Voltage Range: 2.0V to 5.5V

Quiescent Power Consumption: 4.6mA (typical)

Output Power: 3W (with 3Ω Load, 5.0V Supply)

Dimensions, Shape, and Packaging

SOP8 Package

Small and lightweight for portable applications

Quality and Reliability

Highly reliable solid-state construction

Industry-standard testing and compliance

Product Advantages

Suitable for battery-powered devices

Easy to integrate with minimal external components

Product Competitiveness

Competitively priced in the specialized ICs market

Offers a mix of power and efficiency desirable for mobile devices

Compatibility

Compatible with a wide range of mobile communication device designs

Standard Certification and Compliance

Meets or exceeds industry standards for audio power amplifiers

Lifespan and Sustainability

Long operational life

Lead-free and RoHS-compliant package for environmental sustainability

Actual Application Fields

Mobile phones

Tablet devices

Portable music players

Personal digital assistants (PDAs)

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