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Isolated Controller
Area Network (CAN)
Propagation delay is critical for CANbus, and the IL712 and IL721 bidirectional isolators have best-in-class propagation delay of 10 ns typical. This minimizes CAN loop delay and maximizes data rate over any given bus length,
making IsoLoop Isolators ideal for CAN isolation. NVE also offers the smallest two-channel isolator, the IL712-1, in a unique MSOP-8.
Illustrative applications are as follows:
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Isolating Standard CAN Transceivers
This simple circuit works with any CAN transceiver with a TxD dominant timeout, which includes all of the current-generation transceivers including the ubiquitous Philips/NXP TJA1050.
Isolating Legacy CAN Transceivers
Power-on reset circuitry allows an IL712 or IL721 to isolate legacy transceivers without integrated TxD timeout, such as the Philips/NXP PCA82C250.
IL712/IL721 part details
IL712/IL721 Data Sheet (.pdf)
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