I have two board, Number 1, this board is " The refio pin is 4.966V", the power on sequence: the green is AVDD, the blue is DVDD the green is AVDD, the blue is HVDD Number 2,the power on sequence the fist on is HVDD, the second on is AVDD, the third no is DVDD. this board is no problem. IF the number one''s ADS8548 move to Number 2,the REFIO is normal(2.5V).
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