Texas Instruments

LM4928TL/NOPB

LM4928TL/NOPB Description

The LM4928TL/NOPB is a high-performance, Class AB audio amplifier from Texas Instruments, part of the renowned Boomer® series. This amplifier is designed to deliver exceptional audio quality and robust performance in a compact surface-mount package. With a maximum output power of 2.2W per channel into a 4-ohm load, it is ideal for applications requiring high-fidelity audio output. The LM4928TL/NOPB operates from a wide supply voltage range of 2.4V to 5.5V, making it suitable for a variety of power supply configurations.

LM4928TL/NOPB Features

The LM4928TL/NOPB features several advanced capabilities that enhance its performance and reliability. It includes differential inputs, which provide improved noise rejection and signal integrity, especially in noisy environments. The amplifier also incorporates a shutdown function, allowing for power savings when not in use. Additionally, it features thermal protection to safeguard the device from overheating, ensuring long-term reliability. The depop feature minimizes the popping and clicking sounds often associated with power-up and power-down sequences, contributing to a more pleasant user experience.

LM4928TL/NOPB Applications

The LM4928TL/NOPB is well-suited for a range of applications where high-quality audio output is required. Its compact 16USMD package makes it ideal for space-constrained designs, such as portable audio devices, smartphones, tablets, and other consumer electronics. The wide supply voltage range and robust thermal protection make it suitable for automotive infotainment systems and industrial control panels. The differential inputs and shutdown features further enhance its versatility, making it a reliable choice for professional audio equipment and public address systems.

Conclusion of LM4928TL/NOPB

The LM4928TL/NOPB from Texas Instruments is a versatile and high-performance Class AB audio amplifier. Its combination of differential inputs, shutdown functionality, thermal protection, and depop features sets it apart from similar models, providing enhanced performance and reliability. Despite its obsolete status, the LM4928TL/NOPB remains a valuable component for applications requiring high-fidelity audio output in a compact form factor. Its wide supply voltage range and robust thermal protection make it suitable for a variety of industries, ensuring it continues to be a reliable choice for designers and engineers.