Hello Sammi,
The voltage of SH1 in Hi-Z mode should be about 0.7V. Section 7 in datasheet shows circuit inside of SH1 there is a large resistor in parallel of a diode which drives to ground in Hi-Z mode. Therefore, 0.7V from diode is expected. Thank you.
The voltage of SH1 in Hi-Z mode should be about 0.7V. Section 7 in datasheet shows circuit inside of SH1 there is a large resistor in parallel of a diode which drives to ground in Hi-Z mode. Therefore, 0.7V from diode is expected. Thank you.