LM4875MM/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Power Amplifier

Characteristics: - High-quality audio amplification - Low power consumption - Small form factor - Wide operating voltage range

Package: Miniature 8-pin SOIC package

Essence: The LM4875MM/NOPB is a high-performance audio power amplifier IC designed for portable electronic devices.

Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.1W (typical) into 8Ω at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1W output power
• Shutdown Current: 0.6μA (typical)
• Quiescent Power Supply Current: 4mA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4875MM/NOPB has the following pin configuration:

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

Functional Features

• Single-ended input
• Differential output
• Thermal shutdown protection
• Short-circuit and thermal overload protection
• Low quiescent current

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low power consumption - Compact size - Wide operating voltage range allows for flexibility in various applications

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The LM4875MM/NOPB is a class AB audio power amplifier that amplifies low-power audio signals from portable electronic devices. It operates by receiving an input audio signal, amplifying it, and delivering the amplified signal to an external speaker or headphone.

Detailed Application Field Plans

The LM4875MM/NOPB is commonly used in various portable electronic devices such as: - Mobile phones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM4875MM/NOPB include: - LM4863 - LM386 - TPA3116D2 - MAX9744

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements and design considerations.

In conclusion, the LM4875MM/NOPB is a versatile audio power amplifier IC suitable for portable electronic devices. Its compact size, low power consumption, and high-quality audio amplification make it a popular choice in the industry.