What is the difference between basic and reinforced digital isolators?
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Basic digital isolators have to pass a suite of tests according to component-level standards such as, DIN V VDE V 0884-11. This standard defines voltage levels the isolator is able to withstand, such as the maximum surge isolation voltage, VIOSM, maximum transient isolation voltage, VOITM, and maximum repetitive peak isolation voltage, VIORM. Reinforced digital isolators, in addition to passing the above tests, have to pass a minimum surge voltage test level of 10,000 VPK. Please read High-voltage reinforced isolation: Definitions and test methodologiesto learn more on how digital isolators are tested for voltage surges and high voltage transients, and please refer to Considerations for Selecting Digital Isolators to learn how to select a digital isolator.