[sdiy] Happenin' new opamp

David G Dixon dixon at mail.ubc.ca
Thu Apr 26 18:55:49 CEST 2018


Single-supply would be a bit of a challenge, since the ASR processes both
positive and negative voltages.  Is there something a bit more conventional
that has similar specs and doesn't break the bank? 

> -----Original Message-----
> From: Neil Johnson [mailto:neil.johnson71 at gmail.com] 
> Sent: Thursday, April 26, 2018 9:53 AM
> To: David G Dixon
> Cc: Mattias Rickardsson; Michael E Caloroso; SDIY List
> Subject: Re: [sdiy] Happenin' new opamp
> 
> David,
> 
> > So now, TL064 is my standard opamp for those buffers.  
> Maybe one of these days I'll look for a relatively 
> inexpensive quad with really low IBC (1 pA or less) -- 
> anybody have any suggestions?
> 
> If you can cope with single-supply op-amps then the TLC272 
> series is pretty good, with Ibc(typ) around 0.7pA.
> 
> Neil
> --
> http://www.njohnson.co.uk




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