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LM4809: SHUTDOWN引脚 开启和关断 耳机那边有pop音，请问正常吗？

Zylon
Prodigy 100 points
Part Number: LM4809

 SHUTDOWN引脚 开启和关断 耳机那边有pop音，请问正常吗？ 

bypass使用的4.7uf电容。