UJA1078 capactiance on pin LIN1/2

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UJA1078 capactiance on pin LIN1/2

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jingfang
Contributor IV

Spec show UJA1078 capactiance on pin LIN1/2 max is 30pF.

Is it master or slave?

If master = 2200pF,what could be the problem?

I looked into the old specs,there's no defined LIN vaule,but the condition show that >= 560pF.

New specNew specOld specOld spec

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guoweisun
NXP TechSupport
NXP TechSupport

1:这个新的datasheet是第几版,上面图上的CLIN最大30pF是这个LINpin本身具有30pF的容抗,每一个脚都有一个特定的容抗。

2:我建议您阅读AH1103 page32,理解下Cmaster跟Cslave的定义

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jingfang
Contributor IV

如下计算公式,需要用到电阻值,电阻值需要参考规范,您这边是否有规范?

aa.jpg

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