I would like to use the AD587 as negative reference, as described in datasheet, Fig.17, but want to add a noise reduction capacitor (as described for positive reference) between Pins 4 and 8.
Is this possible?
Tnx for support!
For inverting amps, if the gain is -2, then the noise gain is +3. If the gain is -10, the NG is +11, so it's not that
bad. For low absolute gains, I try to use non-inverting topology. If you have a spectrum analyzer or can
borrow one, it would be good to see the noise vs. freq. Did you read the apps section on the ADR435 d.s.??