LM2418T

Overview

The LM2418T is a triple video amplifier designed by National Semiconductor for direct CRT cathode driving in VGA color graphics displays. It features a -3dB bandwidth of 30 MHz and a supply current of 18 mA. The device is housed in an 11-pin ZIP package with a heat sink tab. This component is currently classified as obsolete.

Feature Summary

• Triple large signal voltage amplification architecture
• Direct drive capability for CRT cathodes
• Optimized for VGA color graphics display applications

Applications

• VGA color graphics displays
• CRT driver circuits
• Video signal amplification modules

Procurement Notes

Verify the obsolete status before procurement planning. Confirm the 11-pin ZIP package with heat sink tab matches system requirements. Check for valid replacement components from National Semiconductor or Texas Instruments due to end-of-life classification.

Selection Notes

Select this component only if legacy CRT VGA design compatibility is required. Ensure thermal management supports the ZIP package with heat sink tab. Verify that the 30 MHz bandwidth meets signal integrity needs for the specific video application.

Part Context

Part of the LM series integrated circuits from National Semiconductor, now part of Texas Instruments. Specifically categorized under Video Amps and Modules within the linear amplifier family. Designed for consumer and industrial video processing hardware requiring high-speed analog signal handling.

Replacement Considerations

Consult official datasheets for cross-reference parts. No specific substitute part numbers are confirmed in the provided documentation.