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Power-supply of AD8557

Question asked by Kou on Jul 16, 2012
Latest reply on Jul 25, 2012 by Kou


I am designing sensor circuit using the AD8557.

I have two questions about this device.

1.Datasheet describes that AD8557 operates from single-supply voltage of 2.7V to 5.5V.

  Can this device be used with ± power-supply? .
  I think that it's ok ,however there are no specifications on datasheet.


2.Pls refer to the Fig40,41,42.
 I cannot understand the meaning of this figure.


It would be greatly appreciated if advice could be gotten.


Best Regards,