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在高端工厂自动化应用中(如油气厂和电厂),常会要求多路采集通道与通道之间进行隔离,其中高耐压、小尺寸、低EMI、高可靠性和低成本等要求在通道间隔离设计中别具挑战性。现有成熟方案,标准模块实现的通道密度往往仅限于四个通道或八个通道,通道间隔离只能承受数百伏特耐压。本文将提出一种替代性的高密度、易于设计的通道间隔离
In high-end factory automation applications (such as oil and gas plants and power plants), often require multiple acquisition channels and channel isolation, including high voltage, small size, low EMI, high reliability and low cost requirements of the channel isolation Design is not challenging. In the existing mature solutions, the channel density of the standard module is often limited to four channels or eight channels, and the isolation between the channels can only withstand the withstand voltage of hundreds of volts. This article will propose an alternative high-density, easy to design inter-channel isolation