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DOC. MIE91093
Rev. 1.34
Page 106 of 145
The test procedure is simple:
. Firs of all, supply the converter and measure the zero input
current (nominally 4 mA).
.
Next,
select
values
to
be
generated;
compute
the
corresponding current measurement, and prepare a calibration
table.
. Next, generate the selected parameters, measure the
reading, report it to the table and compute the converter
error.
For instance, you want to test a current converter with the
following characteristic:
I0 = 4 mA; I100 = 20 mA.
From this, the nominal output current as a function of the
input current is:
Iout = 4 + Iin * (20-4)/100 = 4 + 0.16 * Iin
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