LM4810MMX/NOPB

LM4810MMX/NOPB Application Field and Working Principle

The LM4810MMX/NOPB is a high-performance, low-power, monolithic audio power amplifier integrated circuit designed for consumer and professional audio applications. It offers an ultra-low noise design and is capable of driving a 4-ohm load with a 300 mW average output power. The LM4810MMX/NOPB is based on the HX family of audio power amplifiers and includes several improvements that make this amplifier the ideal choice for portable and consumer audio applications.

Features

• High-performance, low-power design
• Ultra-low noise architecture
• Short circuit protection
• Over-temperature protection
• Thermal shutdown
• Integrated output protection circuit
• High-current-drive capability (30 mA)
• Selectable quiescent current options
• Load-dump protection

Applications

• Portable and consumer audio
• Light-show and professional audio
• Audiophile-quality headphones
• Speakerphone
• Audio mastering
• Audio monitoring
• Digital audio

Working Principle

The LM4810MMX/NOPB works on the same principle as other audio power amplifiers. It outputs a signal that is proportional to the input signal, but at a significantly higher voltage and current. The output signal is amplified by the built-in operational amplifier, which is powered by the power supply voltage. The power amplifier then takes the amplified signal and adds power to it. This increased power is then available to drive the output speaker. The LM4810MMX/NOPB achieves this by using a set of transistors (output devices) to amplify the input signal. The transistors are connected in a circuit called an H-bridge that allows the amplifier to take the amplified signal and convert it into a high-powered output signal.

The LM4810MMX/NOPB also contains a number of safety features to protect the amplifier from certain conditions. It monitors the temperature of the amplifier and if it gets too hot it will shut down to prevent any damage. It also contains a short circuit protection system that will shut down the amplifier if a short circuit is detected.

In short, the LM4810MMX/NOPB is a high-performance, low-power audio power amplifier integrated circuit. It is ideal for consumer and professional audio applications and offers great performance, reliability and safety.