Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.
Vidula,
There isn't any issue cascading signal switches together to make 4:1 function out of 3x 2:1 switches. However when you cascade the switches you will have 2x the parasitic elements of a FET switch like on-state resistance, capacitance, etc…
