On 2013-08-31, at 9:39 AM, alan.b.pearce@stfc.ac.uk wrote: >> Does anyone have any hints, tips or ideas or a way retain low current >> consumption and decent ADC/comparator performance without breaking >> the bank? >=20 > Microchip has some very low current op-amps, like 1uA operating current -= but they roll off at about 10kHz - which I suspect would make good buffers= for this purpose. >=20 > Just checked the product selector, they are better than I thought, 0.45uA= operating current, 0.65uA max. Check out the MCP644x family of chips, come= in 1, 2 or 4 per package. I need better than 6v for the supply. My current choice is a TS941/2/4 from= ST, 1.2uA operating current. Was just wondering if anyone else had other s= olutions. Veronica --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .