Texas Instruments

LM4861M/NOPB

LM4861M/NOPB Description

The LM4861M/NOPB from Texas Instruments is a high-performance Class AB mono audio amplifier designed for low-voltage applications. Part of the Boomer® series, it delivers 1.5W of output power into an 8Ω load with a supply voltage range of 2V to 5.5V, making it ideal for battery-powered devices. Packaged in an 8-SOIC tube, this surface-mount IC is RoHS3 compliant and features shutdown mode and thermal protection, ensuring reliability and energy efficiency. Its REACH unaffected status and EAR99 ECCN classification further enhance its suitability for global markets.

LM4861M/NOPB Features

• Low-Voltage Operation: Supports 2V–5.5V supply, ideal for portable electronics.
• Thermal Protection: Prevents overheating, improving longevity.
• Shutdown Mode: Reduces power consumption when idle.
• High Output Power: 1.5W into 8Ω for clear audio performance.
• Compact & Robust: 8-SOIC package with MSL 1 (Unlimited) moisture sensitivity.
• Compliance: RoHS3, REACH, and EAR99 certified for broad applicability.

LM4861M/NOPB Applications

The LM4861M/NOPB excels in battery-powered audio systems, including:

• Portable Speakers: Efficient power use extends battery life.
• Mobile Devices: Clear audio output in smartphones and tablets.
• Gaming Headsets: Reliable thermal management for prolonged use.
• IoT Audio Modules: Low-voltage compatibility suits embedded systems.
  Its shutdown feature makes it ideal for energy-sensitive designs, while thermal protection ensures stability in high-duty-cycle applications.

Conclusion of LM4861M/NOPB

The LM4861M/NOPB stands out as a versatile, efficient Class AB amplifier, combining low-voltage operation, thermal safety, and compact packaging. Its 1.5W output, shutdown capability, and compliance certifications make it a top choice for portable and embedded audio solutions. Whether for consumer electronics or industrial audio systems, this IC delivers reliable performance with minimal power waste.