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TMUX1511: Support -1V

David Park
Expert 6710 points
Part Number: TMUX1511
Other Parts Discussed in Thread: TMUX6211, TS5A22362

Tool/software:

Hi,

Customer is finding the device to support -1V with similar specification to TMUX1511.

I found TMUX6211 but it's quite expensive compared to TMUX1511.

Other CD series has high resistance.

Is there any proper device for -1V?

Thanks.

  • +1
    TI__Mastermind 35638 points

    Hi David,

    For -1V and low RON (looking in the <10ohm range) the TMUX6211 will be the best price point per channels, unfortunately, for a 4ch SPST.

    That being said we could try to utilize the TS5A22362? It's a 2ch 2:1 that will pass negative voltag with a signle positive supply. It's a 2ch SPDT though so we would need 2 of the devices and would only utilize one of the signal paths (for example we would connect NC and leave NO floating).

    1k price would make it a cheaper solution than 6211.

    Thanks,
    Rami