Hello,
For multiplexing two negative voltage sources (-9V and -6V) to the output at fast switching rate(~100 KHz), we plan to use ADG1636 with Vdd = 5V and Vss = -9V. The select input shall be 3.3V logic and the output load is ~10pF.
The LTSPICE simulations show this to work fine, but we just wanted to double check with an expert here.
Regards
Gaurav