CMOS multiplexer as input source switch - diyAudio
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Old 17th October 2006, 02:16 AM   #1
Leolabs is offline Leolabs  Malaysia
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Question CMOS multiplexer as input source switch

I know that Maxim IC does have a lot of less than 100 ohms R on multiplexer to choose from.Can some of them be use in high performance audio equiment as input source selector switch???
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Old 17th October 2006, 10:10 AM   #2
dhaen is offline dhaen  Europe
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Yes you can. I've used the DG211 / 212 with good results into a virtual earth input (inverting input of an opamp). There was some argument on the forum a couple of years back, whether the series resistor should be before or after the switch. I favour it before the switch (close to the input).
However, IMO nothing beats a good mechanical switch or relay!
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