[sdiy] 4 way analogue switch/mux IC?

rsdio at audiobanshee.com rsdio at audiobanshee.com
Wed Feb 21 23:43:18 CET 2018

Why not use individual FETs? That’s what the mux chips are made from.

You might need a pair in parallel, or other tricks, but it should be possible to create a 3-way, 2-bit switch from discrete parts.

By the way, the DG series also has two-way switches. Look at the DG333 or the DG401, DG403, DG405.

Brian Willoughby
Sound Consulting

On Feb 21, 2018, at 2:26 PM, Tom Bugs <admin at bugbrand.co.uk> wrote:
> I've used & liked a range of different DG4xx chips, but was wondering if anyone can think of a small/low-priced analogue switch/multiplexer - and +/-15V operation & pref in SMD.
> The main thing is implementing remote/panel switching of signals - typically from a spdt centre-off switch, so 3 way // 2 bit. Something in S08 & cheap would be ideal!
> It always seems a waste to use a big 8 way / 3bit mux for such things..
> Thanks for any ideas, Tom

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