Electronics > Projects, Designs, and Technical Stuff
14.4V ground reference for ADC
Arjunan M R:
--- Quote from: Simon on May 31, 2019, 12:41:53 pm ---
--- Quote from: Arjunan M R on May 31, 2019, 07:41:56 am ---Here is the TVS diode I am going to use. I have read the full datasheet.
It has a breakdown voltage of 22.2 to 24.5V. Max. reverse leakage current of 1µA. Max. clamping voltage of 32.4V. And maximum peak pulse surge current of 12.3A.
That will be good enough for my purpose. :-+
--- End quote ---
No it won't, check the reverse standoff voltage. it will turn on at 22.2-24.5V but will not turn off again until 2-3 volts lower, if this is near the peak voltage of the supply you can get it triggered permanently.
--- End quote ---
its 20V(standoff voltage)
Arjunan M R:
there is no tvs diode with low standoff voltage with min breakdown voltage more than 20V in RS components. I might abandone the idea of tvs diode.
Simon:
Really? usually the reverse standoff in a few volts less than the breakdown voltage.
Arjunan M R:
--- Quote from: Simon on May 31, 2019, 01:27:05 pm ---Really? usually the reverse standoff in a few volts less than the breakdown voltage.
--- End quote ---
I mean that the value in the datasheet says 20V.
Simon:
where? remember hat one datasheet will over many parts
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