National Semiconductor LM1267 150 MHz I 2 C-Compatible RGB Video Amplifier System with OSD and DACs
Summary
This IC-compatible RGB preamplifier is a high-performance component designed for advanced video signal amplification and parametric control up to 150 MHz bandwidth. It provides full adjustment of key display parameters like brightness, bias, and contrast, featuring integrated DACs and sophisticated black level clamping (ABL). Ideal for video equipment designers and engineers building commercial or professional monitoring systems built around the LM246X driver family. The manual offers detailed electrical characteristics and operating specifications necessary for precise system integration.
Manual Details
| Brand | National |
|---|---|
| Pages | 20 |
| File Size | 1.75 MB |
| Published | June 01, 2026 |
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Frequently Asked Questions
What is the operating bandwidth of the LM1267 pre-amplifier?
The device offers a programmable bandwidth ranging from 110 MHz to 150 MHz.
Can I control brightness or bias independently?
Yes, the unit includes four external 8-bit DACs which allow software configurable control of brightness parameters and bias.
How can I achieve power savings?
The system features a Power Save (Green) Mode that achieves an 80% reduction in power consumption.
What kind of display monitors is this amplifier suitable for?
It is suitable for use with low end 15’ and 17' bus controlled monitors equipped with OSD controls.