Is the switch is closed or open in the event of no power supply?
Hi cklooi3,
The state of the ADG741 without power cannot be guaranteed. ADI does provide a part that guarantees switches are off with no power supply present. This part, the ADG4612/13 can be found at the link below.
http://www.analog.com/en/interface-isolation/protection-products/adg4612/products/product.html
Regards,
Joe