[sdiy] Switching large analog signals from lower voltage logic

[Julien Delgoulet]

I second Scott ... DG series. A bit more expensive but so easy to work with .

Le 28 avr. 2011 à 04:51, Scott Nordlund a écrit :

> 
> The DG series analog switches can do this.
> 
>> From: ol.gillet at gmail.com
>> Date: Wed, 27 Apr 2011 04:00:55 +0200
>> To: synth-diy at dropmix.xs4all.nl
>> Subject: [sdiy] Switching large analog signals from lower voltage logic
>> 
>> Hi all,
>> 
>> I need to switch/mux analog signals in the 0-9V range from logic
>> signals generated by a microcontroller powered at +5V. Do you know any
>> part which could deal with the lower logic level? I've tried with some
>> 74hc4051s, it somehow worked, but the datasheet mentions a threshold
>> of 4.7V (up to 6.3V) under 9V operation, so I suspect this could be
>> very flaky. I'm not too fond of doing level translation for this, but
>> if this is the way to go...
>> 
>> Thanks!
>> Olivier
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