Texas Instruments

LM4839MTE/NOPB

LM4839MTE/NOPB Description

The LM4839MTE/NOPB is a high-performance, stereo Class AB audio amplifier from Texas Instruments, part of the renowned Boomer® series. This IC is designed to deliver robust audio performance with a maximum output power of 2.2W per channel into a 3Ω load, and 95mW per channel into a 32Ω load. It operates efficiently within a supply voltage range of 2.7V to 5.5V, making it suitable for a variety of portable and battery-powered applications.

The LM4839MTE/NOPB is housed in a 28-pin HTSSOP package, which is ideal for surface-mount applications, ensuring ease of integration into compact designs. Despite its small form factor, the IC offers a comprehensive set of features, including bass boost, depop functionality, an input multiplexer, mute and shutdown capabilities, thermal protection, and volume control. These features enhance its versatility and make it suitable for a wide range of audio applications.

LM4839MTE/NOPB Features

• High Output Power: Capable of delivering 2.2W per channel into a 3Ω load, ensuring high-quality audio output.
• Wide Supply Voltage Range: Operates efficiently between 2.7V and 5.5V, making it suitable for various power supply configurations.
• Advanced Audio Features: Includes bass boost for enhanced low-frequency response, depop functionality to eliminate unwanted noise during power-up and power-down, and an input multiplexer for flexible signal routing.
• Control and Protection: Features mute and shutdown functions for power management, thermal protection to prevent overheating, and volume control for user-friendly operation.
• Compliance and Packaging: The LM4839MTE/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability. It is packaged in a tube, with a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

LM4839MTE/NOPB Applications

The LM4839MTE/NOPB is ideal for a variety of applications where high-quality audio output and efficient power management are critical. Its compact size and robust feature set make it suitable for:

• Portable Audio Devices: Ideal for battery-powered devices such as portable speakers, MP3 players, and smartphones, where space is limited and power efficiency is essential.
• Consumer Electronics: Suitable for home audio systems, soundbars, and other consumer electronics where high-fidelity audio is required.
• Automotive Applications: Can be used in car audio systems, providing clear and powerful audio output.
• Industrial Applications: Applicable in industrial settings where reliable and efficient audio amplification is needed.

Conclusion of LM4839MTE/NOPB

The LM4839MTE/NOPB from Texas Instruments is a versatile and high-performance audio amplifier that offers a comprehensive set of features and benefits. Its ability to deliver high output power within a wide supply voltage range, combined with advanced audio features and robust protection mechanisms, makes it an excellent choice for a variety of applications. Despite being marked as obsolete, the LM4839MTE/NOPB remains a reliable and efficient solution for audio amplification needs, particularly in portable and space-constrained environments.