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AD7658, queries for current consumption

Question asked by usaghi on May 21, 2015
Latest reply on Jun 24, 2015 by KarenNE

Hello,

 

1)  Please could you let me know individual current value of each power supply pin, meaning IAVcc, IVdd, IVss, IVdrive, IDVcc ?

  We can see only total value in normal mode when static and operational, in Table 3. of its datasheet.

 

2) There are two cases of current consumption defined in the same Table 3 of the datasheet, static and operational for Normal Mode.

  I believe static means stay powered but there is no sampling of data and then no processing, but correct me if wrong.

  If so, please let us know reason why (or mechanism) static current value specified in the datasheet is larger than in case of operational ?

  It seems to be against to common practice, so any brief explanation/documents would be very much appreciated.

 

Best Regards,

Usaghi

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