LM49250RL

Audio Amplifiers Overview

The LM49250RL is a stereo Class D audio amplifier IC from National Semiconductor. It delivers 2.43W per channel into a 4-ohm load. The device operates on a supply voltage range of 2.7V to 5.5V. It integrates mono and stereo headphone outputs. The design includes enhanced emissions suppression for audio subsystems.

Audio Amplifiers Feature Summary

• Stereo Class D amplification architecture
• Integrated emissions suppression technology
• Support for mono and stereo headphone configurations

Audio Amplifiers Applications

• Portable audio devices
• Headphone amplifiers
• Embedded audio subsystems

Audio Amplifiers Procurement Notes

Verify the exact part marking against the datasheet. Confirm the package type matches your PCB footprint. Check for the NOPB suffix if lead-free compliance is required. Ensure the manufacturer source is authorized to avoid counterfeit components.

Audio Amplifiers Selection Notes

Select this component when low power consumption and high efficiency are critical. It is suitable for battery-operated systems requiring stereo output. Consider the thermal performance under maximum load conditions. Verify compatibility with the available supply voltage range.

Audio Amplifiers Part Context

This component belongs to the National Semiconductor audio amplifier family. It is designed for compact audio applications. The device replaces older linear amplifier solutions in portable electronics. It offers improved sound quality with reduced electromagnetic interference.

Audio Amplifiers Replacement Considerations

Check for LM49250RL/NOPB as a direct lead-free equivalent. Verify pin compatibility before substitution. Consult official documentation for any functional differences.