Linear 公司的LTC4310是绝缘的双向I2C总线通信器件，每个器件可把I2C逻辑状态编码成信号，通过绝缘层传输到另一个器件．接收器件解码，并驱动I2C总线到适当的确逻辑状态．主要用在绝缘的I2C, SMBus和PMBus 接口，绝缘电源，以太网供电和正到负电源通信．本文介绍了LTC4310主要特性，典型应用以及多种应用电路框图．
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