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AD7760 - Interface with thermistor

Question asked by mukuru on Apr 21, 2016
Latest reply on Aug 9, 2016 by mukuru

Hi,

 

I am looking for a guide on a suitable input stage to interface a thermistor to the AD7760 and take advantage of the differential input. The thought at the moment is to use a Wheatstone bridge configuration and drive this into a unity gain buffer (differential) to the ADC.  Any recommendations?

 

Is there a spice model of the internal amplifier (A1)?

 

Thanks

MP

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