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LTC6957IDD-3 power consumption

During the use of LTC6957IDD-3 ,the current increases afer turning off the input signal,as this time ,OUT1 and OUT2 is 1.65V.When the signal is input again,the current returns to the normal working current.

  • That seems odd.  Can you provide some more details about your concern?  Are you using the LTC6957 eval board?  Are the outputs terminated to a 50 ohm instrument?  What are the nominal and increased supply currents reading?  When the signal is off does it short the inputs to ground or VCC?  Any information on your setup would help, a schematic?  a picture of test bench?