Unipolar Type Hall Sensor AH3142

Features

Rated working voltage 4.5 V ~ 24 V, the limit voltages as low as 3.5 V;

Outline

When the “S” pole of magnet faces the mark surface of the sensor and is closed to sensor （B≥Bop），the sensor outputs low level; When magnet is far away from sensor（B≤ BRP），the sensor outputs high level. When the “N” pole faces the mark surface，the sensor is no response. Stable Hysteresis(（BH= |BOP- BRP|）ensure the Stable sensor’s switch status. The magnet and electric transfer characteristic curve is shown as the figure:

◆ Block Diagram

Hall sensor AH3142 is one of unipolar excitation single-ended digital output Hall IC. The sensor chip has built-in reverse voltage protection, voltage regulators, temperature compensation circuit, Hall-voltage generator, signal amplifier, Schmitt trigger and open collector output driver circuit unit etc. Excellent voltage regulator and temperature compensation circuit ensure the sensor stable operates over a wide voltage range and temperature range, and the reverse voltage protection circuit avoids the sensor to be damaged by reverse voltage.

◆ Limit Parameter

◆ Electrostatic Grade

Under human being mode, the Electrostatic compression is large than ±6kV.

◆ Operating Condition

◆ Electrical Characteristc