LM4680SD/NOPB

Product Overview

Category

The LM4680SD/NOPB belongs to the category of audio power amplifiers.

Use

It is used to amplify audio signals in various electronic devices such as audio systems, home theaters, and portable speakers.

Characteristics

• High efficiency
• Low distortion
• Wide supply voltage range
• Thermal shutdown protection

Package

The LM4680SD/NOPB comes in a standard surface-mount package.

Essence

This amplifier is essential for providing high-quality audio amplification in electronic devices.

Packaging/Quantity

The LM4680SD/NOPB is typically packaged in reels with a quantity of 250 units per reel.

Specifications

• Supply Voltage: 4.5V to 26V
• Output Power: Up to 10W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.1%
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4680SD/NOPB has a 24-pin surface-mount package with specific pin configurations for input, output, power supply, and control signals.

Functional Features

• Single-Ended or Bridge-Tied Load (BTL) Operation
• Soft Mute Function
• Short-Circuit and Thermal Protection
• External Gain Configuration

Advantages and Disadvantages

Advantages

• High efficiency leads to less power dissipation.
• Low distortion ensures high-quality audio output.
• Wide supply voltage range allows for versatile applications.

Disadvantages

• Requires careful PCB layout for optimal performance.
• External components may be needed for certain configurations.

Working Principles

The LM4680SD/NOPB operates by amplifying the input audio signal using a class-D amplifier architecture, which efficiently converts the analog input into a pulse-width modulated (PWM) signal. This PWM signal is then filtered and amplified to produce the final audio output.

Detailed Application Field Plans

The LM4680SD/NOPB is suitable for a wide range of applications including: - Portable Bluetooth speakers - Home theater systems - Car audio amplifiers - Multimedia sound systems

Detailed and Complete Alternative Models

Some alternative models to the LM4680SD/NOPB include: - TPA3116D2 - TAS5720 - MAX9744

In conclusion, the LM4680SD/NOPB is a versatile audio power amplifier with high efficiency and low distortion, making it suitable for various audio amplification applications.

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