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Electric bridge sensing isolated amplifier circuit diagram

2016-05-15 18:53  
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Electric bridge sensing isolated amplifier circuit diagram
Electric bridge sensing isolated amplifier circuit diagram
Many sensors, such as the strain gauge platinic resistance, pressure sensor, the gas detection, etc. They use the electric bridge as sampling circuit differential signal. The figure shows the circuit using a single power supply high precision double luck OPA1013 as preamplifier. It uses the double mouth isolation miniaturization isolated amplifier ISO212P as level after isolated amplifier.