A3281LLHLT

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Function:	Latch
Technology:	Hall Effect
Polarization:	South Pole
Sensing Range:	9mT Trip, -9mT Release
Test Condition:	-40°C ~ 150°C
Voltage - Supply:	4.2 V ~ 24 V
Current - Supply (Max):	8mA
Current - Output (Max):	25mA
Output Type:	Open Collector
Features:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Package / Case:	SOT-23W
Supplier Device Package:	SOT-23W

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magnetic sensors are a form of passive sensing technology used to measure the presence, absence, or direction of a magnetic field. Switches, including solid state switches, are all types of magnetic sensors used to detect when a magnet has been placed close to a switch. The A3281LLHLT is a Hall-effect switch that operates in the presence of a magnetic field to detect a specific strength of the magnetic flux. The A3281LLHLT Magnetic Sensor is an open-drain output unipolar Hall-effect switch that operates Bidirectionally. This chip is small and efficient and is designed for applications that require low power consumption. It has a wide operating voltage range (up to 24 volts) and is capable of switching speeds of up to 200 kHz. It has a low average current consumption of 1.2 mA and a low quiescent current of 0.01 uA. The A3281LLHLT has a high-sensitivity tolerance of +/-3% and is RoHS compliant.The A3281LLHLT is typically used in applications that require the detection of distance or aligned currents change such as in speedometers and level sensors, thread perforators, automotive anti-theft, and tamper-proof systems devices. When a magnetic field with a strength specified in the device\'s datasheet is detected, the sensor triggers the switch to toggle between on and off.The A3281LLHLT operates according to the Hall effect, which states that when a current carrying conductor is exposed to a magnetic field, a voltage can be generated perpendicular to the direction of the current flow and the magnetic field. This resulting voltage can be used to create a reliable switch that can detect the presence of a magnetic field.The A3281LLHLT uses Hall effect technology to detect the presence of magnetic flux and toggle between on and off. It consists of an integrated Hall effect device which is used to detect a specific strength of the magnetic field. When the magnetic field is stronger than the threshold level, the output is turned on. When the field is weaker than the threshold level, the output is off.The A3281LLHLT also features an adjustable threshold, which allows the switch to be more sensitive when a smaller strength is required. This feature is especially useful for applications that require precise calibration or for those that are dealing with variable distances between the magnet and the switch.The A3281LLHLT is a convenient choice for applications that require precision, reliability, and low power consumption. With its wide operating voltage range and fast switching speed, it is an ideal choice for a wide range of applications. The device has an adjustable threshold and a RoHS compliant package, making it an excellent choice for applications that require precision and accuracy.

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