Texas Instruments

LM4866LQ/NOPB

LM4866LQ/NOPB Description

The LM4866LQ/NOPB is a high-performance, Class AB audio power amplifier from Texas Instruments, designed to deliver exceptional audio quality and reliability in a compact surface-mount package. This amplifier is part of the renowned Boomer® series, known for its robust performance and wide range of applications. The LM4866LQ/NOPB features a maximum output power of 3.2W per channel into a 3Ω load, making it ideal for driving high-efficiency speakers in various consumer and professional audio systems.

With a supply voltage range of 2V to 5.5V, the LM4866LQ/NOPB offers flexibility in power supply design, allowing it to be used in a variety of devices with different power requirements. Its Class AB topology ensures high efficiency and low distortion, providing clear and dynamic audio output. The amplifier also includes several advanced features such as depop, shutdown, and thermal protection, which enhance its performance and reliability in demanding environments.

LM4866LQ/NOPB Features

• Max Output Power x Channels @ Load: 3.2W x 2 @ 3Ω, ensuring high power delivery for robust audio performance.
• Supply Voltage Range: 2V to 5.5V, providing flexibility for various power supply designs.
• Mounting Type: Surface Mount, suitable for compact and space-constrained applications.
• Features: Depop, Shutdown, and Thermal Protection, enhancing reliability and reducing noise during power-up and power-down cycles.
• Package: Tape & Reel (TR), facilitating efficient manufacturing and assembly processes.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), ensuring the device is suitable for a wide range of environmental conditions.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting stringent environmental and regulatory standards.

LM4866LQ/NOPB Applications

The LM4866LQ/NOPB is well-suited for a variety of applications where high-quality audio output is required. Its compact size and high power output make it ideal for portable audio devices, such as smartphones, tablets, and portable speakers. Additionally, its robust performance and thermal protection features make it suitable for more demanding applications like automotive audio systems and professional sound equipment.

The amplifier's wide supply voltage range and surface-mount package also make it a versatile choice for designers looking to integrate high-quality audio capabilities into their products without compromising on space or power efficiency. Its advanced features, such as depop and shutdown, ensure that the device operates smoothly and reliably, even in challenging conditions.

Conclusion of LM4866LQ/NOPB

The LM4866LQ/NOPB from Texas Instruments is a standout choice for designers seeking a high-performance, reliable, and compact Class AB audio power amplifier. With its maximum output power of 3.2W per channel into a 3Ω load and a wide supply voltage range of 2V to 5.5V, it offers exceptional audio quality and flexibility. The inclusion of advanced features such as depop, shutdown, and thermal protection further enhances its reliability and performance.

While the LM4866LQ/NOPB is now considered obsolete, it remains a testament to the high standards of the Boomer® series and Texas Instruments' commitment to delivering top-tier audio solutions. For applications requiring robust audio performance in a compact form factor, the LM4866LQ/NOPB continues to be a reliable and efficient choice.