In examining the schematics for the AFE44x0SPO2EVM, I noticed that the DNC pins are connected to resistors and then left open, instead of simply being left open. What is the purpose of the resistors?
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In examining the schematics for the AFE44x0SPO2EVM, I noticed that the DNC pins are connected to resistors and then left open, instead of simply being left open. What is the purpose of the resistors?
Mohammad,
Since the AFE has a QFN package, the leads are not easily accessible. The resistors are there just in case you wanted to wire into those pins.