Buffer for Vref in PGA application in PSoC 3/5 | Cypress Semiconductor
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Buffer for Vref in PGA application in PSoC 3/5
Last Updated: March 21, 2011
Huge PGA Gain error when Vref component is connected to PGA component directly
Connect Vref component to OPAMP buffer input and then connect buffer output to the Vref terminal of PGA. This will eliminate the Gain Error.