[sdiy] Best way to limit current through an analog switch IC?

[Roman]

You could always use relays intead of a mux.
CV friendly and pretty high current capacity. 

Roman 

---- Użytkownik Paul Glass-Steel via Synth-diy napisał ----

>The switching function is ancillary to the module's primary function as a
>window comparator; if I have to choose between bidirectional or pitch-CV
>friendly, I'll take bidirectional. But, if I can have both at the cost of
>some complexity - it's middling-complex already, so what's a bit more,
>perhaps?
>
>On Tue, Jul 2, 2024 at 2:52 PM Mattias Rickardsson <mr at analogue.org> wrote:
>
>> Does it have to be bidirectional?
>> Feels like this is the trickiest part to get around. :-)
>>
>> /mr
>>
>>
>> Den tis 2 juli 2024 17:08Paul Glass-Steel via Synth-diy <
>> synth-diy at synth-diy.org> skrev:
>>
>>> Hello all,
>>>
>>> I'm working up a bi-directional switch module around the TI MUX507 analog
>>> switch IC. The datasheet lists the maximum IO current as 30mA. I'd like to
>>> proof the switch against the fault condition of having the IO spanning
>>> my +/- 12V rails, however remote that mis-connection might be.
>>>
>>> By Ohm's law, the bulk series resistor needed would be 820R 1W, rounding
>>> to common values. I imagine that resistance would be high enough to audibly
>>> affect pitch CV. Is there a better or more elegant solution to limit the
>>> current?
>>>
>>> Thanks,
>>> -Paul
>>>
>>>
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>>
>
>
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