Thanks to all, I've received good points and suggestions.

Vasile

On 9/18/06, David VanHorn <dvanhorn@microbrix.com> wrote:
> > So far I found MAX8510 which theoretically has less than 60uVpp noise
> > and 78dB PSRR at 1Khz.
>
>
> Frequently you'll see that this is the best point of a curve over frequency.
> The rejection at 100kHz may be dramatically worse.
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