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AD8397 has high power consumption

Hi ADI engineer

      AD8397 was found to be hot during testing.Further test found that after disconnecting the input and output of AD8397, its own power consumption is 25mA, (the current given in the manual is 9mA) its own current consumption is too large.May I ask what the reason is?  

    Four samples were taken separately, and only 12V voltage was applied to the chip VCC and GND pins. The static power consumption was still 25mA.