[sdiy] Faster LM358 replacement

Tim Ressel timr at circuitabbey.com
Sun Feb 25 23:21:15 CET 2018

what package?

On 2/25/2018 1:30 PM, sleepy_dog at gmx.de wrote:
> Hey,
> say, what opamp could I use as a faster replacement for the LM358?
> Should be able to work with GND as negative supply and get the output 
> (almost) there like the LM358.
> Would be nice to have one that also can run up to +15V, but for my 
> scenario at hand, 5V supply is enough.
> And it would be nice to know one that's also not very expensive. It's 
> probably hard to beat lm358 price... but let's not exaggerate ;)
> The application is an active filter to treat the DAC output for CV. 
> Turns out the LM358 doesn't do such a good job there even at just a 
> few kHz, i.e. the response curve starts to become less steep at the 
> higher end quickly. (which even LTspice predicts, but I didn't bother 
> to try the circuit with a LM358 model until now)
> - Steve
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--Tim Ressel
Circuit Abbey
timr at circuitabbey.com

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