LM49321RLX/NOPB

Audio Amplifiers Overview

The LM49321RLX/NOPB is a mono Class AB audio amplifier IC from Texas Instruments' Boomer series. It delivers 1.25W of output power and supports mono and stereo headphone configurations. The device utilizes a 36-contact WFBGA package for compact integration in portable electronic devices.

Audio Amplifiers Feature Summary

• Class AB topology for high-fidelity audio reproduction
• Integrated support for mono and stereo headphone loads
• Compact surface-mount packaging design

Audio Amplifiers Applications

• Portable audio playback devices
• Mobile communication handsets
• Stereo headphone amplification circuits

Audio Amplifiers Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm that the 36-contact WFBGA package footprint matches your PCB layout requirements. Ensure compatibility with existing mono or stereo headphone driver designs given its specific output configuration.

Audio Amplifiers Selection Notes

Select this component for applications requiring a single-channel Class AB amplifier with integrated headphone drive capability. Consider the physical constraints of the 36-contact WFBGA package during board design. Evaluate thermal management needs for 1.25W output performance in enclosed portable enclosures.

Audio Amplifiers Part Context

This part belongs to the Texas Instruments Boomer series, which focuses on audio power amplifiers for consumer electronics. The LM49321 variant specifically targets low-power mono applications with headphone output capabilities, distinguishing it from higher-power speaker drivers within the same family.

Audio Amplifiers Replacement Considerations

No public confirmed substitute part numbers are available for this obsolete component. Designers should evaluate newer generations of TI audio amplifiers or alternative manufacturers offering similar Class AB mono headphone amplifier specifications.