<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">You could just run a CD4050 buffer from +/-5. You'll have to use some resistors to push your signals down a little bit to be centered around the new threshold of 0V, but it would work AND you'll get 6 buffers in one package.<div><br></div><div>Mark</div><div><br></div><div><br><div><br></div><div><br></div><div><br><div><div>On Nov 21, 2015, at 3:29 PM, Tim Ressel wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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Thanks for all the great ideas. I have +/- 5V available, and there
is no precision requirements. <br>
<br>
I am going to look into the 4053 idea. <br>
<br>
<br>
--tr<br>
<br>
<div class="moz-cite-prefix">On 11/21/2015 7:28 AM, Mattias
Rickardsson wrote:<br>
</div>
<blockquote cite="mid:CAP92RBVLoDeACOLhxOmnDpdpfxLd-StjkAjmr3Xgxv2RC6xizQ@mail.gmail.com" type="cite"><p dir="ltr">It depends a bit, we're all waiting to hear what
supply voltages are available. :-)</p><p dir="ltr">/mr<br>
</p>
<div class="gmail_quote">Den 21 nov. 2015 1:02 em skrev "Dave
Manley" <<a moz-do-not-send="true" href="mailto:dlmanley@sonic.net">dlmanley@sonic.net</a>>:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
<br>
On November 21, 2015 3:36:13 AM PST, "René Schmitz" <<a moz-do-not-send="true" href="mailto:synth@schmitzbits.de"></a><a class="moz-txt-link-abbreviated" href="mailto:synth@schmitzbits.de">synth@schmitzbits.de</a>>
wrote:<br>
>Am 21.11.2015 um 01:51 schrieb Tim Ressel:<br>
>> Hi y'all,<br>
>><br>
>> I'd like to take several 0-5V digital lines and make
them swing<br>
>+/-5V. I<br>
>> can do it with op amps, but is there a clevererer
way?<br>
>><br>
>> Thanks!<br>
>><br>
>A 4053 can be powered from +-5V (Vcc=5V, Vee=-5V, GND=0V)
and does<br>
>still<br>
>accept 0-5V input. Then tie +5 and -5 to the switch
inputs.<br>
>Gives you three channels in one package. You can even do
inversion by<br>
>swapping the connections on the switch.<br>
><br>
>Best,<br>
> René<br>
<br>
Most clevererer answer so far!<br>
<br>
-Dave<br>
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<pre class="moz-signature" cols="72">--
--Tim Ressel
Circuit Abbey
<a class="moz-txt-link-abbreviated" href="mailto:timr@circuitabbey.com">timr@circuitabbey.com</a></pre>
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