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TMUX1108: What does the On and Off capacitance mean?
Part Number: TMUX1108
In the datasheet, the test condition of cson/cdon parameter is 1Mhz；
will the capacitance varies with the signal frequency, if yes how is the relationship.
Thanks for using e2e. The On Capacitance of a mux does affect the mux bandwidth - See below relationship explaining how low On Capacitance can help achieve higher bandwidth.
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In reply to Saminah C:
What I realy want to know is would the port capacitance(cson/cdon) varies with signal frequency?
In reply to user6041007:
No, the capacitance for the switch is fixed and does not very with the signal frequency..
The above relationship just shows when you are designing a switch, how to achieve higher bandwidth by lowering the On capacitance.
thank you very much.
It helps a lot.
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