LMC6492 is pretty nice, though a tad pricey.

Bob

On Thu, Feb 25, 2016, at 04:24 PM, Dwayne Reid wrote:
> Good day to all.
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> I'm on yet another project with analog bits inside and none of my=20
> favorite dual op-amps are suitable.
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> The LM358 would be perfect, except its output isn't rail-to-rail.  I=20
> need that in this project.
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> Supply voltage is 5 Vdc.  Input must include ground (0V) within the=20
> common-mode range but maximum input is about 1.2V.  Output needs to=20
> swing from about Vss to Vdd, give or take a hundred mV. GBW about 1=20
> MHz is fine.
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> It's going to be used in a constant-current sink for battery=20
> testing.  Input reference varies from 0V to 1.2V - this sets the=20
> value of the current being sunk.  The output of the op-amp is driving=20
> a decent-sized MOSFET through a 100R resistor.  Thus, the op-amp has=20
> to be stable driving a capacitive load.
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> I want cheap and cheery and have been looking at Microchip's=20
> offerings.  Alas - there are thousands to choose from and the=20
> Microchip parametric search engine has gone from awful to bloody awful.
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> Ideal package for me is SO-8.
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> Does anyone have a favorite part they really like?
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> Many thanks!
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> dwayne

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