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ADN8831's problem

Question asked by on Jan 25, 2015
Latest reply on Jan 28, 2015 by katout

Dear ADI's Engineer,


  Now I am using the ADN8831.

  The cutomer is using ADN8830 before and the target temperature's setting is use the Rx+ Rtherm(in ADN8830 datasheet page 8~9).

  But in ADN8831 add a resistor R+RX+Rth(in ADN8831 datasheet page14~15). The customer ask us to use ADN8830's circuit. So I cut the RX(7.68K ohm). But I found the output is not good.

  So must I change the circuit? Or I can change the circuit parameter but not change the circuit can improve the output situation.


Thank you.