Is the switch is closed or open in the event of no power supply?
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ADG741
Production
The ADG741 is a monolithic CMOS SPST switch. It is designed on an advanced submicron process that provides low power dissipation yet high switching speed...
Datasheet
ADG741 on Analog.com
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