LM4871MX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Small size and low power consumption - High audio quality with minimal distortion - Wide voltage range for compatibility with various devices - Built-in thermal shutdown protection - Suitable for portable electronic devices

Package: SOP-8 (Small Outline Package)

Essence: LM4871MX/NOPB is a high-performance audio amplifier IC designed for use in portable electronic devices. It provides excellent audio quality while consuming minimal power, making it ideal for applications where space and battery life are critical.

Packaging/Quantity: The LM4871MX/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 750mW (typical)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LM4871MX/NOPB IC has the following pin configuration:

___________ | | NC |1 8| VDD IN- |2 7| SHUTDOWN IN+ |3 6| GND NC |4 5| OUT |___________|

Functional Features

• Low quiescent current consumption
• Thermal shutdown protection prevents overheating
• Short-circuit and overcurrent protection
• Excellent power supply rejection ratio (PSRR)
• Internal gain setting resistors for easy configuration

Advantages and Disadvantages

Advantages: - Small size and low power consumption make it suitable for portable devices - High audio quality with minimal distortion enhances the listening experience - Wide voltage range allows compatibility with various devices - Built-in thermal shutdown protection ensures safety and reliability

Disadvantages: - Limited output power compared to larger audio amplifiers - May require additional external components for specific applications

Working Principles

The LM4871MX/NOPB is a class AB audio amplifier that amplifies the input audio signal while maintaining low distortion. It operates by receiving an analog audio input through the IN+ and IN- pins, which is then amplified and delivered to the OUT pin. The internal gain setting resistors allow users to adjust the amplification level according to their requirements.

Detailed Application Field Plans

The LM4871MX/NOPB is commonly used in various portable electronic devices, including: - Mobile phones - MP3 players - Portable gaming consoles - Bluetooth speakers - Personal digital assistants (PDAs)

Its small size, low power consumption, and high audio quality make it an ideal choice for these applications, where space and battery life are crucial factors.

Detailed and Complete Alternative Models

• LM4861MX/NOPB
• LM4881MX/NOPB
• LM4891MX/NOPB
• LM4951MX/NOPB

These alternative models offer similar functionality and characteristics to the LM4871MX/NOPB and can be considered as alternatives based on specific application requirements.

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