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PCM6240-Q1: questions about MICBIAS and scheamtic reivew

Part Number: PCM6240-Q1

Hi team,

can you help to review customer scheamtic, check if ther design is correnct? especially the IN capacitor and resistors.

they need MICBIAS to power supply micphone though a resistor, please check the circuit. can they do that? 

PCM6260原理图.pdf