LM4850MM/NOPB

Audio Amplifiers Overview

The LM4850MM/NOPB is a mono audio amplifier IC from the Boomer series, manufactured by National Semiconductor. It operates in Class AB topology and delivers up to 1.9W of output power into an 8-ohm load. The device features a 10-VSSOP package with dimensions of 3.00mm width. It supports a supply voltage range suitable for portable applications and functions within an operating temperature range of -40°C to 85°C.

Audio Amplifiers Feature Summary

• Class AB amplification architecture for high-fidelity audio reproduction
• Integrated support for stereo headphone driving capabilities
• Compact surface-mount packaging designed for space-constrained mobile devices

Audio Amplifiers Applications

• Portable media players
• Mobile handsets
• Personal digital assistants

Audio Amplifiers Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status as indicated in official documentation. Check for obsolete status notifications from National Semiconductor or Texas Instruments. Ensure storage conditions meet specified environmental requirements to maintain performance integrity upon installation.

Audio Amplifiers Selection Notes

Select this component for mono audio applications requiring Class AB performance in compact form factors. Consider the 10-VSSOP package constraints for PCB layout. Evaluate thermal management needs given the 1.9W output capability. Verify compatibility with single-supply voltage ranges typical in battery-operated consumer electronics before integration.

Audio Amplifiers Part Context

This part belongs to the National Semiconductor Boomer audio amplifier family. It represents a legacy product line now managed under Texas Instruments following corporate acquisition. The LM4850 series was designed for low-voltage, high-efficiency audio solutions in portable consumer electronics during its active production period.

Audio Amplifiers Replacement Considerations

Consult official datasheets for pin-compatible alternatives within the LM48xx series. Verify electrical parameter equivalence for output power and supply voltage ranges. Check for updated manufacturing sources if original National Semiconductor stock is unavailable.