Hi all,

Having some problem designing multiple channel of
4-20mA transmitter. We would like to design a card
that will provide 3 channels of 4-20mA transmitter
that are independent of each other using XTR117. But
based on the equivalent diagram provided by the
datasheet, we notice that the current of different
channels within the same card will be affecting each
other, since all the XTR117 shares a common ground.

Are there any two or three channels 4-20mA transmitter
within the same chip?

Thanks!

Best rgds,
pang

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