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Buffer for Vref in PGA application in PSoC 3/5

Anonymous
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Buffer for Vref in PGA application in PSoC 3/5

Question: Huge PGA Gain error when Vref component is connected to PGA component directly

 

Answer:

Connect Vref component to OPAMP buffer input and then connect buffer output to the Vref terminal of PGA. This will eliminate the Gain Error.

PGA Vref Connection

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Last update:
‎Mar 29, 2010 05:18 AM
Updated by:
Anonymous
 
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