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实施隔离的1-Wire总线

消耗积分:0 | 格式:pdf | 大小:159 KB | 2012-05-24

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Abstract: The 1-Wire® bus has become increasingly popular for the authentication and calibration of sensors andconsumables in medical equipment, where galvanic isolation is required. Building on application note 4206, "Choosingthe Right 1-Wire Master for Embedded Applications," this article explains how to modify existing 1-Wire master circuits toimplement galvanic isolation. In addition to the classic optoisolators, digital isolators using magnetic and capacitivecoupling have been developed in recent years. This application note introduces each of these technologies and productlines, and identities and compares isolators that are suitable for use in 1-Wire master circuits.
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