LM4866MTEX

Audio Amplifiers Overview

The LM4866MTEX is a stereo audio amplifier manufactured by Texas Instruments, utilizing Class-AB topology. It operates within a supply voltage range of 2.5V to 5.5V and delivers 2.5W of output power into a 4Ω load at 5V. The device features an integrated DC servo circuit for direct speaker connection without external coupling capacitors. It functions across a temperature range of -40°C to +85°C and is housed in a 20-pin HTSSOP package.

Audio Amplifiers Feature Summary

• Integrated DC servo technology enables direct speaker drive, eliminating the need for large output coupling capacitors.

Audio Amplifiers Applications

• Portable multimedia devices
• Personal digital assistants (PDAs)
• Mobile phones

Audio Amplifiers Procurement Notes

Verify the manufacturer designation as Texas Instruments, reflecting the acquisition of National Semiconductor's analog portfolio. Confirm the specific suffix 'TEX' corresponds to the tape-and-reel packaging format. Ensure the component meets RoHS standards as indicated by the NOPB designation in related part numbers.

Audio Amplifiers Selection Notes

Select this component for applications requiring high efficiency and minimal external passive components. The integrated DC servo simplifies the bill of materials by removing output capacitors. Consider the thermal performance and package size constraints when designing for compact portable electronics.

Audio Amplifiers Part Context

This component belongs to the LM4866 series of audio amplifiers designed for mobile consumer electronics. It represents a transition from discrete solutions to integrated mono and stereo amplifier systems. The device addresses the industry demand for smaller form factors and improved battery life in handheld devices.

Audio Amplifiers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.