[sdiy] SOIC LT101 equivalent / dilemma
ijfritz at comcast.net
Wed Jul 29 20:40:41 CEST 2015
The OPA2134 would be a big step up, but nowadays I use OPA2227. The
quad version of the OPA2227 is OPA4227. Be careful with the
OPA2277/4277, because it has a pretty slow slew rate. OK for the
converter probably, but maybe/maybe not for how you are using the other
On 7/29/2015 11:48 AM, Justin Owen wrote:
> I recently ordered a bunch of SOIC8 LT1013DDG4 from Farnell as a potential 'upgrade' for a circuit that is currently specced (and working adequately) using TL074s. I assumed the pinout would be the same - but I've now realised it isn't.
> (What I would consider...) The standard/traditional pinout (i.e. the same as the TL07x) is apparently only available in LT101 DIP.
> So - for the op-amps in an exponential current source and some CV conditioning/limiting/biasing - what are your suggestions for an SOIC dual op-amp with a 'standard' pinout that'll work off a +/-12V supply - that I can test against a TL074 to see if I get any sort of performance boost?
> Would the OPA2134 be a potential contender? I know it's billed as an 'audio' amp.
> FWIW - I did cull back through the many "which op-amp should I use threads" - that's how I ended up looking at the LT1013!
> Thanks :)
> - Justin
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