piclist 2000\05\23\002310a >
Thread: Adjusting voltage output of a temperature sensor
www.piclist.com/techref/io/sensors.htm?key=temperature
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picon face BY : Dean Biddle email (remove spam text)



Hi,

Are there alternative(s) to an operational amplifier (supplied by +ve and
-ve) to adjust the voltage output of an LM335 temperature sensor from
approx. 2.5 to 3.5 volts to span the 0 to 5 volt range for a P16F87x A/D
converter?  My application needs to consume minimal current and preferably
use only one battery.  Can another option for the configuration of the A/D
system be used other than limiting Vref+ to approx. 3.5 volts?

I assume this is common, so please simply refer me to a relevant past
PICLIST thread if I failed to match the thread in my "pre-post" search.

<2.2.16.20000523221710.303fb7e0@dingo.cc.uq.oz.au>

See also: www.piclist.com/techref/io/sensors.htm?key=temperature
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