Maybe this is FAQ.
As for your ADG858 analog switch,
When the supply power shut down, then what is the contact condition?
make? brake? otherwise high-impedance,,,,,,unknown????
When there is no VDD present the condition of the ADG858 would be unknown and we would not be able to make any comment on the condition of the switch.
If you require a device that has a know state when it has no power supply present, consider the ADG5412F and the ADG5208F family as these switches/muxes are high impedance when there is no supply.
Thanks for your comment.
Your new products ADG5412F/5208F I know and recommend them to our customer already.
But they have a large resister 200-300 ohms ,our customer needs less than 1ohm replace the mechanical relay contact style=2C (2 SPDTs).
Also need the condition when power down.
Do you have a good idea for this case?
The ADG5436F is a dual SPDT that has an on resistance of 10 ohms. Still not as low as required by the customer but it is the closest available to those requirements.
OK, I will recommend ADG5436F to our customer.
Thank you for your kindly support!!
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