[sdiy] Logic to +/-5V conversion

Tim Ressel timr at circuitabbey.com
Sat Nov 21 21:29:58 CET 2015


Thanks for all the great ideas. I have +/- 5V available, and there is no 
precision requirements.

I am going to look into the 4053 idea.


--tr

On 11/21/2015 7:28 AM, Mattias Rickardsson wrote:
>
> It depends a bit, we're all waiting to hear what supply voltages are 
> available. :-)
>
> /mr
>
> Den 21 nov. 2015 1:02 em skrev "Dave Manley" <dlmanley at sonic.net 
> <mailto:dlmanley at sonic.net>>:
>
>
>
>     On November 21, 2015 3:36:13 AM PST, "René Schmitz"
>     <synth at schmitzbits.de <mailto:synth at schmitzbits.de>> wrote:
>     >Am 21.11.2015 um 01:51 schrieb Tim Ressel:
>     >> Hi y'all,
>     >>
>     >> I'd like to take several 0-5V digital lines and make them swing
>     >+/-5V. I
>     >> can do it with op amps, but is there a clevererer way?
>     >>
>     >> Thanks!
>     >>
>     >A 4053 can be powered from +-5V (Vcc=5V, Vee=-5V, GND=0V) and does
>     >still
>     >accept 0-5V input. Then tie +5 and -5 to the switch inputs.
>     >Gives you three channels in one package. You can even do inversion by
>     >swapping the connections on the switch.
>     >
>     >Best,
>     >  René
>
>     Most clevererer answer so far!
>
>     -Dave
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-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com

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