A1125 - Unipolar Hall Effect Switch | Sensor Hall
A1125 - Unipolar Hall Effect Switch | Sensor Hall
A1125 - Unipolar Hall Effect Switch | Sensor Hall
A1125 - Unipolar Hall Effect Switch | Sensor Hall

A1125 - Unipolar Hall Effect Switch

A1125 - Unipolar Hall Effect Switch

The A1125 is an integrated Hall effect latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. 

PTR003007
Em reposição
2,58 €
Com IVA

Descrição

A1125 - Unipolar Hall Effect Switch

The A1125 is an integrated Hall effect latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation and size. A hall effect sensor is much smaller, but can handle less current than a reed switch.

The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.

If a magnetic flux density larger than threshold Bop, DO is turned on (low). The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high).

Features:

  • 3V to 24V DC operation voltage
  • Low current consumption
  • Temperature compensation
  • Wide operating voltage range
  • North Pole outpu turn ON
  • Open-Collector pre-driver
  • 25mA maximum sinking output current
  • Reverse polarity protection

Documents:

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