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low negative voltage PSU for precision ADC

Question asked by JimmyC on Sep 6, 2011
Latest reply on Sep 6, 2011 by LucaV

We are looking for a design which would give us -1V or -2V with low noise. This is the negative rail for our op-amps.

The ADCs are 16 and 18 bit so a very clean power supply would be required.

Looking at the ADP1621 CUK design tool we are getting a circuit with 28 components.


Could anyone suggest another possible solution with a lower component count?