AEC-Q100; ISO 26262 COMPLIANT; SHORT-CIRCUIT PROTECTION
Body Breadth:
1.91 mm
Body Height:
1 mm
Body Length or Diameter:
2.98 mm
Housing:
PLASTIC
Hysteresis:
30 mT
Magnetic Field Range-Max:
18 mT
Magnetic Field Range-Min:
-18 mT
Mounting Feature:
SURFACE MOUNT
Operating Current-Max:
4 mA
Operating Temperature-Max:
150 °C
Operating Temperature-Min:
-40 °C
Output Current-Max:
60 mA
Output Range:
30-60mA
Output Type:
CURRENT OUTPUT
Package Shape/Style:
RECTANGULAR
Sensors/Transducers Type:
MAGNETIC FIELD SENSOR,HALL EFFECT
Supply Voltage-Max:
24 V
Supply Voltage-Min:
3 V
Surface Mount:
YES
Terminal Finish:
Tin (Sn)
Termination Type:
SOLDER
A1223LLHLX-T Frequently Asked Questions (FAQs)
Allegro provides a recommended PCB layout in their application note AN296070, which includes guidelines for trace routing, component placement, and thermal management to ensure optimal performance and minimize noise.
To handle the output voltage swing, you can use a voltage divider or a level shifter to step down the output voltage to match the microcontroller's input voltage range. Alternatively, you can use a buffer or an op-amp to condition the output signal.
The maximum allowable current through the output pins is 20 mA, as specified in the datasheet. Exceeding this current may damage the device or affect its performance.
Calibration involves adjusting the device's internal registers to compensate for manufacturing variations and temperature effects. Allegro provides a calibration procedure in their application note AN296070, which includes steps for adjusting the offset and gain registers.
The A1223LLHLX-T's performance is affected by temperature, with changes in offset, gain, and sensitivity. Allegro provides temperature coefficients in the datasheet, which can be used to compensate for these effects in the application.
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A1223LLHLX-T Overview
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