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TPA6120 開關機pop聲

Ray Hsu
Expert 2445 points

你好, 目前參照下面建議圖設計的, 但是開關機會有pop聲,

我的想法是做了下面幾個調整, 想請教是否有甚麼建議? 謝謝!

1. power supply decoupling low ESR cap.

2. every supply pin 0.1uF close the pin

3. 確認layout, short每一個訊號的路徑.