ADE7758 and recommended 1:1800 ratio transformer

Document created by analog-archivist Employee on Feb 23, 2016Last modified by analog-archivist Employee on Feb 23, 2016
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wrt ADE7758 eval-board. Customer are unable to source a current transformer of
1:1800 turns ratio as shown

 

It is not necessary to search for a current transformer with a certain turns
ratio. Any current transformer with any turns ratio will do. We attach a list
of current transformer manufacturers.

If you do not have any specific reason/requirements for start a design with
ADE7758,
then our prefered choice is the ADE7858, is more advanced, and has a price
similar to the
ADE7758.

the attach an application note about the calibration of the ADE7878, an IC
that is pin for pin compatible with ADE7858, but has even more features. It
describes how to deal with current transformers.

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