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Original question:

[参考译文] ISO7721：ISO7721DR 是否可以用作 CAN 收发器的隔离器？

ISO7720-Q1: ISO7720 can't cooperate with TCAN1042

cong zou
Prodigy 10 points
Part Number: ISO7720-Q1
Other Parts Discussed in Thread: ISO7720, ISO7721

I want to use ISO7720 to transfer CAN signal with TCAN1042, but the TX signal cannot transfer right signal while the MCU's CAN signal works well with TCAN1042, yellow:TX    blue:TCAN1042--VCC.why this happens?

  • 0
    TI__Guru**** 295050 points

    您好，我们可以直接使用中文沟通。

    ISO7721不能隔离CAN 差分信号，但是可以隔离数字信号TX，经过ISO7721后的TX信号波形有吗 ?可以附上看下。

    TX经过ISO7721的输入端以及输出端的波形，靠近引脚端测试。