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AD5412 External Boost Function

Question asked by ABB_SAM on Dec 1, 2015
Latest reply on Dec 1, 2015 by msamera

Hello, I am using the AD5412AREZ with the external boost transistor.  I have connected the output and the boost transistor as recommended on page 34 of the AD5412 datasheet.  I have searched for an explanation for the 1K resistor and .022uf capacitor shown connected to the transistor emitter and have found none.  Could someone tell me the intended purpose of these components?  I would like to add some sort of noise filter to the output here and would like some more details.  Thanks.