Was HP then Avago now Broadcom soon to be... "Avago" always brought a wry smile to me here in AU since it is the vernacu= lar contraction for "have a go". Often followed by "ya mug" if directed tow= ards a poorly performing sportsman (particularly a cricketer). I wish I had= an Avago promotional cup ;o) An acquaintance had this as a custom number plate on his car, hence his nic= kname of "Avago Bob". Despite his best intention, it was somewhat ironic.=20 Probably OT by now. Stephen -----Original Message----- From: piclist-bounces@mit.edu On Behalf Of AB Pea= rce - UKRI STFC Sent: Friday, 23 November 2018 12:47 AM To: Microcontroller discussion list - Public. Subject: RE: [EE] Is Optoisolated Audio Practical? > My application was isolating a current shunt but we couldn't get the=20 > gain or offset sufficiently stable over the temperature range (-20C to +5= 0 ?). IIRC we were looking for <<1%. HP (probably now Keysight, or whoever handles the semiconductors) make an o= pto for exactly this use. Don't have the part number handy but can dig it out if wanted. -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/chang= e your membership options at http://mailman.mit.edu/mailman/listinfo/piclis= t --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .