SV: Re: Sv: [sdiy] cheapest 30V analog switch

karl dalen dalenkarl at yahoo.se
Mon Aug 21 16:28:17 CEST 2006


This is really a good request,there is such a vast amount of of muxes,
it would be interessting to find something that could replace
the old faithfuls *easily*!!

My problem is the need for expanded input /output voltages
contra logic level driving.

KD

--- Harry Bissell Jr <harrybissell at prodigy.net> skrev:

> I use the DG444
> 
> I don't know about Europe, bu the 1K pricing on the
> Maxim site is around $1 so its probably less
> expensive than the DG201
> 
> It need a logic voltage reference suppy, though..
> could be as simple as a resistive divider or cheap
> zener (what I use)
> 
> The DG441/442 is the same spec whithout the logic
> supply needed. I have not tried them
> 
> H^) harry
> 
> --- jhaible at debitel.net wrote:
> 
> > Thanks, but that's rather expensive, IMO.
> > Looking for something in the 1 Euro range, if
> > possible.
> > 
> > JH.
> > 
> > 
> > > I use Vishay/Siliconix DG202 quad spst in DIP
> > package., about €2.40 a piece
> > > from Farnell.de/se
> > > 
> > > /daniel
> > > 
> > > >>> <jhaible at debitel.net> 2006-08-21 12:36:24 >>>
> > > 
> > > Hi,
> > > 
> > > I'm looking for the cheapest / best available CMOS
> > analogue
> > > switch that works on 30V.
> > > 
> > > There's such a *lot* of different types, from
> > various 
> > > manufacturers, out there. With parametric tables
> > even.
> > > But I don't need any special performance - no
> > fault protection,
> > > no extra flat resistance, nothing; I just want a
> > type that is
> > > *unexpensive*, and *available*. Something I can
> > stock as a
> > > standard switch, as I did with the 4066 for lower
> > voltages.
> > > 
> > > SPST configuration is what I need most, so that's
> > the first 
> > > thing I'm looking for. And in DIP package.
> > > 
> > > Let me know what you're using, and where to buy
> > it, please!
> > > 
> > > JH.
> > > 
> > > PS: I know the tricks to adapt a 4066 to a +/-15V
> > powered circuit, or
> > >     the use of discrete FETs; I'm really looking
> > for a simple and
> > >     easy chip that can become my "standard 30V"
> > part.
> > > 
> > > -------------------------------------------------
> > > debitel.net Webmail
> > > 
> > > 
> > > 
> > > 
> > 
> > 
> > 
> > 
> > -------------------------------------------------
> > debitel.net Webmail
> > 
> 
> 



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