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Hello all, I am working on TL071CDT as a comprator. When I give supply voltage to op-amp then I get by default 1.4v on inverting pin and output of comparator on pin shift 1.4V. kindly share your opinions on this misbehavior. Thank you, Chirag Chauhan

cc007
Associate

‎2020-10-15 03:37 AM

Here I attached snap of circuit.0693W000004Jsk3QAC.jpg

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2 REPLIES 2
Uwe Bonnes
Principal III

‎2020-10-15 03:41 AM

Using an OPAMP as comparator is normally no good idea. Care also for in/output voltage range!

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cc007
Associate
In response to Uwe Bonnes

‎2020-10-15 03:58 AM

Thanks for your quick response.

currently in many design we used op amp as a comparator there are not an issue.

and for voltage range i give 12V input on vcc.

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