LM48510SD/NOPB

Audio Amplifiers Overview

The LM48510SD/NOPB is a mono Class D audio power amplifier manufactured by National Semiconductor, now part of Texas Instruments. It delivers 1.9W of output power into a 4-ohm load with a supply voltage range of 2.7V to 5V. The device operates at a switching frequency of 1.2MHz and features true shutdown isolation. It is housed in a compact 16-WFDFN exposed pad package.

Audio Amplifiers Feature Summary

• Class D topology for high efficiency
• EMI filterless design capability
• True shutdown isolation feature

Audio Amplifiers Applications

• Portable audio devices
• Mobile phones
• MP3 players

Audio Amplifiers Procurement Notes

Verify the manufacturer designation as National Semiconductor or Texas Instruments on the datasheet. Confirm the 16-WFDFN package type and lead-free status. Ensure the specific suffix matches the required operational specifications.

Audio Amplifiers Selection Notes

Select this component for mono audio applications requiring high efficiency in a small footprint. Consider the 2.7V to 5V supply range and 4-ohm load compatibility. Evaluate the EMI performance requirements against the filterless design capabilities.

Audio Amplifiers Part Context

This component belongs to the LM48510 series of boosted Class D audio amplifiers. It is designed for battery-powered applications where space and efficiency are critical constraints. The NOPB suffix indicates a lead-free and RoHS-compliant variant.

Audio Amplifiers Replacement Considerations

Check for direct pin-compatible alternatives within the same family. Verify electrical parameters such as output power and supply voltage ranges before substitution.