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AD5791 Voltage Reference Buffer

Question asked by smacleod on Apr 21, 2014
Latest reply on Apr 22, 2014 by RoddyM

The data sheet recommends using a unity gain amplifier force/sense buffer for each of the reference inputs.  I plan to use the AD5791 with +/-10 V references.  For the -10 V reference, would there be any effect on performance if the input was driven by an opamp configured for a gain of -1 (using +10V as an input and matched 10k resistors) instead of -10 V buffered by a unity gain buffer?

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