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https://www.ti.com/lit/ds/scps157e/scps157e.pdf?ts=1629360254004&ref_url=https%253A%252F%252Fwww.google.com%252F
pin 5 enable pin internal RES value is ?
您好,
PCA9517已经不推荐用于新设计,请考虑替代产品TCA9517:
抱歉,没有找到对这个上拉电阻阻值的说明,您可以告诉我您为什么要知道这个电阻值吗
Hello Amy :
由於功能性設計之線路分支,另一對地電阻會影響分壓狀態,因此需要9517內部阻值以調整至適合分壓,謝謝。
而TCA9517 SPEC似乎也無關於內部上拉電阻阻值的資訊....
抱歉,回复晚了,这个电阻是精度为20% 100kΩ