David, The DVDD current is listed as "DIDD" in the data sheet in the Electrical Characteristics table on page 10: In the table, it lists a specification of 1mA maximum input current for the supply. Note that for DVDD, it is an input when DVDD-EN is low. When DVDD-EN is high, the device uses an internal LDO to supply a voltage of approximately 4.6V. Joseph Wu
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