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Analog Sensor Conditioning Circuits: Wheatstone Bridge
Last modified by Microchip on 2023/11/09 09:03
The circuit below shows a Wheatstone bridge that converts a change in resistance to a change in differential voltage. The MCP6xxxop-amp amplifies the voltage difference.
Advantages:
Good rejection of common mode noise
Ratiometric output (with Analog-to-Digital Converter using VDD as its reference voltage)
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