Exposed pad for PCAL9722

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Exposed pad for PCAL9722

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1,567 次查看
robertoschembar
Contributor II

Hello,

Do Someone can confirm that exposed pad for PCAL9722, SPI I/O expander, must be connected to Vss? I dont find this information in the datasheet or other documentations

thanks

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1,553 次查看
guoweisun
NXP TechSupport
NXP TechSupport

Hi

Recommend to connect it to ground for getting better heat dissipation.

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guoweisun
NXP TechSupport
NXP TechSupport

Hi

Recommend to connect it to ground for getting better heat dissipation.

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%3CLINGO-SUB%20id%3D%22lingo-sub-1899213%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3EPCAL9722%20%E7%9A%84%E8%A3%B8%E9%9C%B2%E7%84%8A%E7%9B%98%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1899213%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHello%2C%3C%2FP%3E%3CP%3E%E6%9C%89%E4%BA%BA%E5%8F%AF%E4%BB%A5%E7%A1%AE%E8%AE%A4%20PCAL9722%E3%80%81SPI%20I%2FO%20%E6%89%A9%E5%B1%95%E5%99%A8%E7%9A%84%E8%A3%B8%E9%9C%B2%E7%84%8A%E7%9B%98%E5%BF%85%E9%A1%BB%E8%BF%9E%E6%8E%A5%E5%88%B0%20Vss%20%E5%90%97%EF%BC%9F%E6%88%91%E5%9C%A8%E6%95%B0%E6%8D%AE%E8%A1%A8%E6%88%96%E5%85%B6%E4%BB%96%E6%96%87%E6%A1%A3%E4%B8%AD%E6%89%BE%E4%B8%8D%E5%88%B0%E6%AD%A4%E4%BF%A1%E6%81%AF%3C%2FP%3E%3CP%3E%E8%B0%A2%E8%B0%A2%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1899536%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%E5%9B%9E%E5%A4%8D%EF%BC%9APCAL9722%20%E8%A3%B8%E9%9C%B2%E7%84%8A%E7%9B%98%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1899536%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3EHi%3C%2FP%3E%0A%3CP%3E%E5%BB%BA%E8%AE%AE%E5%B0%86%E5%85%B6%E8%BF%9E%E6%8E%A5%E5%88%B0%E5%9C%B0%E9%9D%A2%E4%BB%A5%E8%8E%B7%E5%BE%97%E6%9B%B4%E5%A5%BD%E7%9A%84%E6%95%A3%E7%83%AD%E6%95%88%E6%9E%9C%E3%80%82%3C%2FP%3E%3C%2FLINGO-BODY%3E