If leakage is a concern for you I would suggest using the ADG701L which has leakage specified across the full temperature range.
One of my customer wants low Iq road switch.
The Iq of ADP198 is 2.5uA typ/ 20uA max and is too large for his application.
The road current for his application is 10mA or less.
His supply voltage is 5.5V.
Then I will propose ADG701/702 or…