[sdiy] 4 way analogue switch/mux IC?

[Pete Hartman]

I've used DG303 and MAX313, as well as VN0104 FETs for switching like this.

I haven't used SMT versions, but the DG303 is available in SOIC-14 and the
MAX313 in SO-16.

Pete

On Wed, Feb 21, 2018 at 5:52 PM, Tom Bugs <admin at bugbrand.co.uk> wrote:

> Yes, maybe.
>
> I have used DG333, 405, 408/9, 412, 418/9 - hopefully I haven't overlooked
> anything obvious in those sorts of ranges.
> The little DG419 is quite useful and compact.
>
> Cheers, Tom
>
>
> On 21/02/2018 22:43, rsdio at audiobanshee.com wrote:
>
>> 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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