The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier that amplifies the Hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and an open-collector output.
Features:

1. on-chip Hall voltage generator for magnetic sensing
2. on-board amplifier
3. on-board Schmitt trigger
4. open collector output

Specifications:

1. voltage: 5 VDC
2. connection: 3 pins, +(middle pin), ground and S (data out)
3. output (S): Schmitt Trigger, Active Low
4. activation: 30 Gauss
5. deactivation: 10 Gauss
6. LED indicator: ON when activated
7. dimensions: 25 x 15 mm
8. weight: 2 g

vma313_a4v01.pdf

ce_rohs_open.pdf