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MPaulHolmes · 02-03-2015, 05:53 PM

Is there a curve anywhere for temperature vs voltage reading? And it's a 50k thermistor? I think microchip recommends to have <= 4.7kOhm impedance on the A/D input. Does that mean I would need an op amp voltage follower to create a lower impedance?

02-03-2015, 05:53 PM	#1662 (permalink)
MPaulHolmes PaulH Join Date: Feb 2008 Location: Maricopa, AZ (sort of. Actually outside of town) Posts: 3,832 Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000 Thanks: 1,362 Thanked 1,202 Times in 765 Posts	Is there a curve anywhere for temperature vs voltage reading? And it's a 50k thermistor? I think microchip recommends to have <= 4.7kOhm impedance on the A/D input. Does that mean I would need an op amp voltage follower to create a lower impedance? __________________ kits and boards Last edited by MPaulHolmes; 02-03-2015 at 06:31 PM..