The ADG1236 is a monolithic CMOS device containing two
independently selectable SPDT switches. It is designed on an
iCMOS® process. iCMOS (industrial CMOS...
ADG1236 on Analog.com
im planning to use ADG1236 to mux CAN bus signals at 1Mbps. Would it be a good choice?
Yes this would be a good choice.
Also depending on the voltages involved, you could have a look at the ADG772.