PRODUCTS
Latch Type Hall Sensor AH512
  • Latch Type Hall Sensor AH512
  • Latch Type Hall Sensor AH512
  • Latch Type Hall Sensor AH512
Latch Type Hall Sensor AH512 Latch Type Hall Sensor AH512 Latch Type Hall Sensor AH512

Latch Type Hall Sensor AH512

    ◆ Features 

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

    Operating temperature range: -55℃ ~ 150℃;

    Rated output current(sink) : 25 mA, the maximum output current(sink): 50 mA;

    Switch response time is about 1μs, the operating frequency DC ~ 100 kHz;

    Small temperature drift between operating point and release point;

    No mechanical contact, no spark, switch signal stability, no shaking moment, high reliability and safety;

    Products meet the EU RoHS instruction 2011/65 / EU and REACH regulations 1907/2006 / EU requirements.

PRODUCTS DETAILS


◆ 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 “N” pole of magnet is face to sensor’s mark surface and clsed to the sensor(B≤ BRP), the sensor outputs high level. When the magnet is far from sensor, (B=0) , the output status is latched and keep constant, in order to change the output status, the reverse polarity magnetic field must be applied on it.

The magnet and electric transfer characteristic curve of AH512 is shown as the figure:

AH512.png


◆ Block Diagram

AH512(1).jpg

Hall sensor AH512 is one of bipolar excitation single-ended digital output Hall IC. The output signal owns latch function. The sensor chip has built-in reverse voltage protection, voltage regulators, temperature compensation circuit, Hall-voltage generator, signal amplifier, Schmitt trigger, built-in pull-up resistor, 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

ParameterSimbolMin.Max.Unit
Storage Temp.Ts-55175
Supply VoltageVCC3.528V
Output Cut-off VoltageVO(off)25V
Magnetic InductionBunlimitedunlimitedmT
Output CurrentIO50mA


◆ Electrostatic Grade

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


◆ Operating Condition

ParameterSymbolMin.Max.Unit
Supply VoltageVCC4.524V
Operating Temp.Ta-55150
Output CurrentIO8mA


◆ Electrical Characteristic

ParameterSymbolTest    ConditionTyp.Max.Unit
Output Low LevelVOLVCC1=4.5 VCC2=24V IO=25mAB≥BOP0.20.4V
Output High LevelVOHVCC1=4.5 VCC2=24V IO=25mAB≤BRP23.524V
Output leakage currentIOH

VCC2=24V, VCC1 Open Circuit

0.110μA
Supply currentICCVCC1=24V,Vo Open    Circuit3.58mA
Output Rise Edge TimetRVCC1=VCC2=12V,
     RL=1.2kΩ,    CL=20pF
125150ns
Output Fall Edge TimetF6080ns


◆ Magnetic Characteristic

Test Condition:VCC1 = VCC2 =24V,IO = 50mA

ParameterSymbolMin.Typ.Max.
Operate PointBOP2.54
Release    PointBRP4-2.5
Hysteresis
     ︱Operate point –Release Point︱
BH
     ︱BOP-BRP︱
2.546

Note1: Unit is mT, 1mT=10Gs.

Note2: When the “S”Pole of the magnetic field is vertical to the front mark of product, we call the magnetic field B>0.


◆ Package Outline

SOT23-3L  Package figure(Unit: mm)

锁定型霍尔传感器AH512


SOT-89  Package figure(Unit: mm)

锁定型霍尔传感器AH512


TO-92UA/TO-92S Package figure(Unit: mm)

锁定型霍尔传感器AH512

Note: In the package outline, Pin1 is Vcc, Pin 2: GND, Pin3: output terminal.

Mark

Mark “XX”or “AHXX” are abbreviation form of parts No.



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