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Could you explain me what is the "input Current" named in the figure 5 of TS391 comparator datasheet compare to the input bias current and input offset current?

lschm.2
Associate

Could you explain me what is the "input Current" named in the figure 5 compare to the input bias current and input offset current?

Thanks,

Lucie0693W00000Y7tHHQAZ.png

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1 REPLY 1
Pierre SENNEQUIER
ST Employee

Hi,

This curve shows the input bias current. Which is the average current getting out of the input pins.

Iib=(Iib+ + Iib-)/2. (when the op amp is used in linear, not as a comparator)

The input offset current is the difference between the current off the two inputs. Iio=Iib+ - Iib-

Best Regards,

Pierre

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