TMUX6236: Request for Schematic Review.

Tom Tsao

Expert 2010 points

Part Number: TMUX6236

Tool/software:

Hi TI team,

We are currently designing a circuit using the TMUX6236, and would appreciate your help reviewing our schematic to ensure there are no obvious mistakes or issues.

Thanks!

7 months ago

0 Nir Gilgur 7 months ago

TI__Mastermind 20675 points

Hello Tom,

Overall the schematic looks good other than the EN pin. It seems it is floating, and if that is the case the device won't operate properly.

You need to tie it to a logic controller in order to be able to switch the mux reliably.

Thanks,

Nir

0 Tom Tsao 7 months ago in reply to Nir Gilgur

Expert 2010 points

Hello Nir,

I left the EN pin floating because I saw in the datasheet that it is an active high logic enable.
Will this cause any issues?

Thanks,

Tom

+1 Clemens Ladisch 7 months ago in reply to Tom Tsao

Guru 318700 points

You are correct that the internal pull-up prevents the pin from floating. But connecting it directly to V_DD costs nothing.

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TMUX6236: Request for Schematic Review.