The LM4819MX is an audio power amplifier designed by Texas Instruments, renowned for its high-quality semiconductor products. This particular amplifier is part of the Boomer® series, which is specifically engineered to provide high-quality audio performance with low power consumption, making it ideal for portable applications.

Key Features

• Output Power: The LM4819MX delivers 350mW of continuous average power to a 8Ω load with 0.1% (THD+N) from a 5V power supply, and 155mW per channel into 16Ω loads, making it a robust choice for driving small speakers.
• Efficiency: Designed with power efficiency in mind, this amplifier includes a shutdown mode feature that significantly reduces power consumption when not in use, thereby extending battery life in portable applications.
• Audio Quality: The LM4819MX is designed to provide low distortion and high-quality audio output, ensuring a clear and crisp sound experience for the end-user.
• Supply Voltage Range: It operates on a supply voltage range from 2.2V to 5.5V, which provides flexibility for use in a variety of devices with different power requirements.
• Surface-Mount Package: The device comes in an SOIC (Small Outline Integrated Circuit) package, which is ideal for space-constrained applications.

Applications

The LM4819MX is versatile and can be used in a multitude of applications. It is particularly well-suited for portable devices where power efficiency and space are of paramount importance. Common applications include:

• Mobile Phones
• Portable Media Players
• Portable Gaming Devices
• Notebook Computers
• PDAs

Additional Information

The LM4819MX is equipped with advanced protection features such as under-voltage protection, over-temperature protection, and short-circuit protection, which safeguard the device and the end-product from damage due to abnormal operating conditions.

Overall, Texas Instruments' LM4819MX is a high-performance, efficient, and reliable audio amplifier that offers a compact solution for enhancing the audio experience in various portable electronic devices.