National Semiconductor LM2202 230 MHz Video Amplifier System Data Sheet
Summary
This highly versatile 230 MHz system serves as an advanced video amplifier designed for high-resolution monochrome and RGB color monitor applications. It provides critical functionality including wideband amplification, DC contrast control, and integrated brightness management via gated comparators. The comprehensive manual equips engineers with detailed specifications—covering electrical characteristics, operating conditions, bandwidth, and rigorous test data—necessary for designing reliable, professional-grade video switches and display systems.
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LM2202 MHz Video Amplifier System
tr, tf 1.5 ns at VO VPP
General Description
Externally gated comparator for brightness control
The LM2202 is very high frequency video amplifier system
0V to 4V high input impedance DC contrast control
intended for use in high resolution monochrome or RGB
(>40 d B range)
color monitor applications. In addition to the wideband video
0V to 4V high input impedance DC drive control
amplifier the LM2202 contains gated differential input black
(±3 d B range)
level clamp comparator for brightness control, DC con-
trolled attenuator for contrast control and DC controlled Easy to parallel three LM2202s for optimum color sub contrast attenuator for drive control. The DC control for tracking in RGB systems the contrast attenuator is pinned out separately to provide Output stage clamps to 0.65V and provides up to 9V more accurate control system for RGB color monitor applica- output voltage swing
tions. All DC controls offer high input impedance and oper- Output stage directly drives most hybrid or discrete CRT ate over 0V to 4V range for easy interface to bus controlled amplifier stages alignment systems. The LM2202 operates from nominal Replacement for the LM1202 12V supply but can be operated with supply voltages down to 8V for applications that require reduced IC package power
Applications
dissipation characteristics.
High resolution CRT monitors Video switches
Features
Video AGC amplifier
Wideband video amplifier
Wideband amplifier with gain and DC offset control
(f−3d B MHz at VO VPP)
Block and Connection Diagram
DS012591-1
Order Number LM2202N or LM2202M See NS Package Number N20A or M20B
National Semiconductor Corporation DS012591 www.national.com
Page Summary Contents For National Semiconductor LM2202 230 MHz Video Amplifier System Data Sheet
Manual Details
| Brand | National |
|---|---|
| Pages | 17 |
| File Size | 420.86 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What is the primary function of the LM2202?
It is a high frequency video amplifier system designed for brightness control in high resolution monochrome or RGB color monitor applications.
How can I improve color accuracy using multiple units?
You can easily parallel three LM2202s and use them with a color controlled attenuator that is pinned out separately.
What are the operating voltage requirements?
The recommended supply voltages range from 8V to 13.2V; it can operate down to 8V, though this is lower than the typical 12V usage.
How wide is the video signal bandwidth?
The device provides a very high-frequency video amplifier system operating up to 230 MHz (-3dB).
What are the limits for physical mounting/heat dissipation?
Its Thermal Resistance (θ JA) is 68°C/W in the N package, and it can dissipate 1.56W at 25˚C when using a 1.5k resistor.