Original Question: waht analog devices equpment i can apply for design capacitive humidity sensor with 0..10V analog output signal by seabreeze@meta.ua
My sensor have capacitance from 142 to 168 pF diapason, maximal supply voltage <12 AC, alternating signal without DC bias . Measurement frequency 10 kH.
Verified Answer: RE: waht analog devices equpment i can apply for design capacitive humidity sensor with 0..10V analog output signal by ezadminThis question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.
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EZ Admin
Question: RE: waht analog devices equpment i can apply for design capacitive humidity sensor with 0..10V analog output signal by LucaV
Analog Devices Capacitance to Digital converters already include the excitation circuit.
Depending on the capacitance range you can use it as is or follow the example of CN0129 to extend the range.
CN0129 Circuit Note | Analog Devices
Best Regards,
LV