Welcome- you're in the right spot.
The LM393 is a classic, medium speed, low cost comparator. It was originally made in the 1970's by National Semiconductor which is now part of TI. You found an especially good data sheet for it. There were many app notes and guides written by national about parts like these. Experienced engineers call parts like this "jelly beans". They are reliable and very low cost, sourced by many vendors and should be the first part you look at if want to make cost effective equipment. They represent the highest value option usually. If there is something that it won't do- perhaps its too slow, draws too much current, won't operate at very low voltages, etc, you look around. There are thousands of comparators around that push the specs around in different directions for different specific needs.
Dave Jones did a good video explaining "jelly beans" and I believe this was one.
Good luck on your journey. People here are generally, friendly and helpful- try to make your questions clear and concise and you'll have a great resource.
John
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