Ratiometric Correction of Transducer Output ( output voltage )


Piezoresistive transducers configured as Wheatstone bridges. often exhibit ratiometric behavior with respect not only to the measured pressure, but also the transducer supply voltage.

Related formulas


VoutOutput voltage of the transducer (V)
PActual measured pressure (Pa)
KNominal transducer scale factor (given an ideal transducer supply voltage) (V/Pa)
VsaActual transducer supply voltage (V)
VsiIdeal transducer supply voltage. (V)