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Product Detailed Parameters
- Description：VIDEO AMPLIFIER, 3 CHANNEL
- Series：-
- Mfr：National Semiconductor
- Package：Tube
- Applications：CRT Driver
- Output Type：-
- Number of Circuits：-
- Slew Rate：-
- Current - Supply：11.5 mA
- Current - Output / Channel：-
- Voltage - Supply, Single/Dual (±)：-
- Mounting Type：Through Hole
- Package / Case：TO-220-11 Formed Leads
- Supplier Device Package：TO-220-11
- -3db Bandwidth：-
- Grade：-
- Qualification：-
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Overview
The LM2407T is a monolithic triple CRT driver integrated circuit manufactured by National Semiconductor. Designed for high-voltage applications, it features three distinct driver channels optimized for cathode ray tube control. The device incorporates a switching speed of 7.5 nanoseconds per channel, ensuring rapid response times suitable for video signal processing. It is housed in a TO-220-11 package, facilitating thermal management and integration into color monitor circuits.
Feature Summary
- Monolithic triple-channel architecture for simultaneous CRT drive
- High input impedance stages to minimize loading effects
- Optimized for high-voltage output capabilities
- Fast switching characteristics for video fidelity
Applications
- Color monitor driver circuits
- CRT display systems
- Video signal amplification stages
Procurement Notes
Verify the manufacturer origin, as National Semiconductor assets are now part of Texas Instruments. Confirm the package type matches the required TO-220-11 footprint. Check for original equipment manufacturer markings versus rebranded versions. Ensure the component meets the specific voltage ratings required for your CRT application before integration.
Selection Notes
Select this component when a dedicated triple CRT driver with fast switching speeds is required. The TO-220-11 package offers robust heat dissipation for continuous operation. Consider the high input impedance feature if driving signals from high-impedance sources without additional buffering stages.
Part Context
This IC belongs to the family of discrete CRT drivers designed for analog video displays. It serves as a critical interface between low-voltage video logic and the high-voltage requirements of electron guns in cathode ray tubes. Its design prioritizes signal integrity and speed over power efficiency.
Replacement Considerations
Consult official datasheets for direct pin-compatible substitutes. Verify that any alternative maintains the triple-channel configuration and 7.5 ns switching speed. Ensure the replacement supports the same high-voltage output specifications.
