When Iq is 600uA as stated in the datasheet, I2C is inactive, but AFE is operating. The 1.65uA quiescent current refers to the supply current in shutdown mode, when both the AFE and the I2C are not in operation.
When Iq is 600uA as stated in the datasheet, I2C is inactive, but AFE is operating. The 1.65uA quiescent current refers to the supply current in shutdown mode, when both the AFE and the I2C are not in operation.