USING THE Si87XX FAMILY OF DIGITAL ISOLATORS Application Note
Optocouplers provide both galvanic signal isolation and output level shifting in a single package but are notorious for their long propagation times, poor common-mode transient immunity (CMTI), and performance degradation with temperature and device age. Modern isolation devices fabricated in CMOS process technology offer higher performance and reliability with none of the downside issues of optocouplers. The Silicon Labs Si87xx family of digital isolators can directly replace optocouplers while providing substantial gains in performance and reliability.This application note describes how to correctly apply the Si87xx. (For more information about Silicon Labs CMOS isolation technology and comparisons with optocouplers, please see Silicon Labs’ white paper “CMOS Digital Isolators Supersede Optocouplers in Industrial Applications”. For more information on the Si87xx isolator family, see the Si87xx product data sheet.
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Application note & Design Guide |
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Please see the document for details |
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SO‐8;DIP8;LGA8;SDIP6 |
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English Chinese Chinese and English Japanese |
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8/12 |
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Rev. 0.3 |
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AN681 |
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1.6 MB |
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