Hall Effect sensors include input reference pin
PREMO DSR5 series of Hall Effect sensors for a single supply voltage of +5V provide a close loop technology component in a very small package for THT mounting. Primary winding is already integrated, permitting measurement of dc, ac and pulse currents on printed circuit boards. Device includes an external pin that allows access to the internal reference (2.5V). This pin can be used as an output or input signal to be used by microcontrollers providing better offset control at cero current.
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