"I have problems to stay cool! Why do you think you are smarter, more intelligent and more experienced than all developement engineers of HARRIS, INTERSIL and MAXIM together? If you can see on EVERY schematic in datasheets this input filter, could it be possible that it should really be used? "

My apologies sir.

Never had an intention to alter your temper.

If my comments made you feel that I thought I was smarter .. , again, my apologies.