A3214LLHLX-T

Series:	--
Part Status:	Active
Function:	Omnipolar Switch
Technology:	Hall Effect
Polarization:	Either
Sensing Range:	±7mT Trip, ±1mT Release
Test Condition:	-40°C ~ 150°C
Voltage - Supply:	2.4 V ~ 5.5 V
Current - Supply (Max):	2mA
Current - Output (Max):	1mA
Output Type:	Open Drain
Features:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Package / Case:	SOT-23W

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Magnetic sensors are devices used to detect the presence and/or strength of a magnetic field in our surrounding environment. Magnetic sensors offer low-cost, low-power solutions and provide digital data that can be used in a wide range of applications. Switches (Solid State) are a type of magnetic sensor that use a combination of magnetically operated contacts and solid-state contacts to detect the direction of a magnetic field and provide a switch output.The A3214LLHLX-T switch is a small, low-power, low-cost device designed to detect the presence of a magnetic field in the range of up to 1 Gauss (1 mT). The A3214LLHLX-T is an open-circuit Hall-effect switch that is sensitive to flux changes of both polarity. It is a great switch choice for applications that require accuracy and reliability.The A3214LLHLX-T is designed to detect the presence of a magnetic field in a radius of up to 1 Gauss (1mT) and provides a logic-level output that is directly compatible with the logic levels of 5V and 3.3V systems. The A3214LLHLX-T can operate reliably in temperatures ranging from -40°C to +85°C and is also RoHS compliant.The A3214LLHLX-T has a typical output voltage swing of 0.8-VCC, with a 0.6-VCC turn on threshold and 0.7-VCC turn off threshold and is packaged in a SOT23-5 surface mount package.The A3214LLHLX-T provides an ideal solution for many applications such as automotive, consumer electronics, personal computers, home appliances, medical equipment, and industrial sensing. The ability of this device to accurately sense even the slightest changes in flux makes it a suitable choice for applications requiring precision and high reliability of data output.The A3214LLHLX-T operates by sensing the magnetic field in the proximate environment and then generating a logic-level output signal. The logic-level output signal acts as a switch and provides an on/off binary response depending on the presence of the magnetic field. When the magnetic field is present, the output is driven high and when the field is absent, the output is driven low. This allows for simple and easy monitoring of the magnetic field in the proximate area and efficient reaction to changes in the environment. The A3214LLHLX-T switch has many advantages over traditional mechanical switches, including greater accuracy, reliability, and faster response times. The A3214LLHLX-T provides a small and compact form factor, which makes it a great option for space-sensitive applications. Additionally, it is power efficient with a supply voltage of 3.3-5.5V and only consumes a maximum of 10μA. The A3214LLHLX-T switch is highly reliable as it has an assured switch-off threshold of 0.7V and switch-on threshold of 0.6V, with a 2.5V hysteresis.When compared to mechanical switches, the A3214LLHLX-T switch is far superior in terms of accuracy, repeatability, and response time. Additionally, unlike mechanical switches, the A3214LLHLX-T switch inherently offers some degree of protection against ESD (electrostatic discharge) by shifting the switch on or off voltage levels at the occurrence of an ESD event. The A3214LLHLX-T switch is an excellent choice for applications that require accuracy with low power consumption, small size, and highly reliable switching operations. It offers a reliable technique for detecting magnetic fields in a variety of different contexts and applications. Its small, low-cost, low-power design makes the A3214LLHLX-T well suited for many applications in the automotive, consumer electronics, personal computers, and home appliances industries.

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