V G wrote: > > Is that "Trust no one, as in nobody", or "Trust number 1"? > > And so you wouldn't recommend TI INS1xx? > -- It was a joke :-) Regarding TI INS1xx, - I don't know. The Op Amp is sort of two decades old. Just google with "precision instrumentation amplifier" and figure out on your own whether the industry gave birth to the Op Amp that fits better your needs. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .