Op-amps (was: oct/V to Hz/V converter)

[jorgen.bergfors at idg.se]

:::Does the TL08x really have any advantage over TL07x? It has the same slew rate, same price and is quite a bit noisier.
:::

>Lower supply current? I guess it is the same design, only biasing
>improved for noise or power or speed.. 6x 7x 8x

The TL084s that I have used, have gotten rather hot. The TL074, on the other hand, usually don't get particularly hot. So lower supply current for the TL08x seems unlikely.
I would rather guess it
%s older technology. 

/Jorgen