LM2465TA

Overview

The LM2465TA is a monolithic triple high-gain CRT driver circuit designed for color monitor applications. It integrates three high input impedance amplifiers with a propagation delay of 5.5 ns. The device operates from a single supply voltage ranging from 8V to 12V and delivers an output current capability of up to 100 mA per channel. It utilizes a TO-220-9 plastic package.

Feature Summary

• Integrates three independent high-gain amplifier channels within a single monolithic structure
• Features high input impedance to minimize loading effects on preceding video stages
• Designed specifically for driving cathode ray tube displays in color monitor systems

Applications

• Color monitor CRT driver circuits
• Video display terminal output stages
• High-speed analog signal amplification for raster scan systems

Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets were acquired by Texas Instruments. Confirm the specific suffix TA indicates the TO-220-9 package variant. Ensure compatibility with existing thermal management solutions due to the power dissipation characteristics of the linear driver topology. Cross-reference datasheet revisions to confirm pinout consistency.

Selection Notes

Select this component when designing color CRT drivers requiring integrated triple-channel amplification with 5.5 ns propagation delay. It is suitable for applications needing high input impedance and 100 mA output current per channel. Consider the TO-220-9 package for through-hole mounting requirements. Evaluate thermal performance under continuous operation conditions.

Part Context

The LM2465 belongs to the LM24 series of monolithic CRT drivers developed by National Semiconductor. This family includes variants with different propagation delays such as the LM24 (3 ns), LM2408 (4.5 ns), and LM2466 (7.5 ns). The LM2465 offers a balanced 5.5 ns speed, positioning it between faster and slower members of the series for standard color monitor applications.

Replacement Considerations

LM2466TA: Offers similar functionality but with a 7.5 ns propagation delay instead of 5.5 ns. Verify timing requirements before substitution.