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Discrepancy Between LS1043A Datasheet and Design Guide

Question asked by Abhinav Sharma on Jan 21, 2019
Latest reply on Feb 1, 2019 by andrei.skok



I have a question pertaining to the LS1043A and LS10xxA family. The datasheet of this device lists +/-30mV as the recommended value for the rail on VDD. The design guide for supply filtering, however, lists the requirements as +50mV/-30mV. This is a significant difference at this tight of a spec so I was posting for clarification on which of these is correct, and whether the datasheet is referring solely to DC variation and does not include transients or not.