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AD5293 rheostat mode tolerance


I have one question about AD5293.

In datasheet p.20, there is" rheostat operation".

RWB (or RWA) is a maximum of ±1% absolute resistance error and RW is included between W to B.

Can we ignore RW resistance value with the calibration?


Because A to B includes Rw in Figure 46.

Best regards 

my question is only about value. Not operation.
[edited by: Jma at 8:05 AM (GMT 0) on 12 May 2020]
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