A1324 (3)
Allegro MicroSystemsThe A1324 is available from Allegro MicroSystems at Xecor. Designed for single-axis magnetic sensing, the A1324 offers analog voltage output, temperature compensation, and a wide operating temperature range of -40°C to 150°C. Available in multiple package options including Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®, it is ideal for automotive, industrial, and consumer electronics applications. Whether used in position sensing, speed detection, or current sensing, this series ensures reliable performance and efficiency for demanding applications. Xecor is an authorized distributor for Allegro MicroSystems. Please view our extensive selection of the A1324 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| A1324LUA-T | Low Noise, Linear Hall-Effect Sensor IC With Analog Output | SIP-3 | 2,430 | |
| A1324LLHLX-T | Pin, Surface Mount | SOT-23 | 7,025 | |
| A1324LLHLT-T | Hall Effect Sensor 5V Monolithic 3-Pin SOT-23W T/R | SOT-23W | 9,790 |
Key Featrues
Temperature Compensation: The sensor includes temperature compensation, ensuring stable and accurate performance across a wide temperature range from -40°C to 150°C. This feature enhances reliability in harsh environments and extends the sensor's use cases to automotive and industrial applications.
Analog Voltage Output: The sensor provides an analog voltage output, simplifying integration with microcontrollers and analog circuits. This feature improves ease of use and enables precise measurement of magnetic field strength in various applications.
Single-Axis Sensing: Designed for single-axis magnetic field detection, the sensor is ideal for applications requiring unidirectional sensing, such as position detection, speed measurement, and proximity sensing. Its focused sensing capability enhances accuracy in targeted use cases.
Low Power Consumption: With a maximum supply current of 9mA and an output current of 10mA, the sensor is energy-efficient, making it suitable for battery-powered devices and applications where power efficiency is critical.
Surface Mount Design (SOT-23W): The compact SOT-23W package allows for easy surface mounting on PCBs, saving space and enabling integration into small-form-factor devices. This design enhances the sensor's versatility in modern electronics.
Analog Voltage Output: The sensor provides an analog voltage output, simplifying integration with microcontrollers and analog circuits. This feature improves ease of use and enables precise measurement of magnetic field strength in various applications.
Single-Axis Sensing: Designed for single-axis magnetic field detection, the sensor is ideal for applications requiring unidirectional sensing, such as position detection, speed measurement, and proximity sensing. Its focused sensing capability enhances accuracy in targeted use cases.
Low Power Consumption: With a maximum supply current of 9mA and an output current of 10mA, the sensor is energy-efficient, making it suitable for battery-powered devices and applications where power efficiency is critical.
Surface Mount Design (SOT-23W): The compact SOT-23W package allows for easy surface mounting on PCBs, saving space and enabling integration into small-form-factor devices. This design enhances the sensor's versatility in modern electronics.
Applications
Precision Position Sensing: The A1324 Hall Effect Sensor is ideal for precision position sensing in automotive and industrial applications. Its analog voltage output and single-axis sensing capability allow for accurate detection of linear or rotational movement, making it suitable for throttle position sensing, gear position detection, and robotic arm positioning. The temperature-compensated design ensures reliable performance across a wide operating temperature range.
Current Sensing in Power Supplies: The A1324 can be used for current sensing in power supply systems. By integrating it into a circuit, it can measure the magnetic field generated by current flow, providing an analog voltage output proportional to the current. This makes it suitable for monitoring and controlling current in DC-DC converters, battery management systems, and motor drives.
Proximity Detection in Consumer Electronics: The A1324 is well-suited for proximity detection in consumer electronics, such as smartphones and tablets. Its compact SOT-23W package and surface-mount design make it easy to integrate into small form-factor devices. The sensor can detect the presence of magnets or ferrous materials, enabling features like automatic screen wake-up or flip cover detection.
Speed Sensing in Brushless DC Motors: The A1324 can be used for speed sensing in brushless DC (BLDC) motors. By detecting the magnetic field changes from the motor's rotor, it provides an analog voltage output that can be used to calculate motor speed. This application is particularly useful in automotive systems, HVAC fans, and industrial machinery, where precise speed control is critical. The sensor's wide operating temperature range ensures reliable performance in harsh environments.
Current Sensing in Power Supplies: The A1324 can be used for current sensing in power supply systems. By integrating it into a circuit, it can measure the magnetic field generated by current flow, providing an analog voltage output proportional to the current. This makes it suitable for monitoring and controlling current in DC-DC converters, battery management systems, and motor drives.
Proximity Detection in Consumer Electronics: The A1324 is well-suited for proximity detection in consumer electronics, such as smartphones and tablets. Its compact SOT-23W package and surface-mount design make it easy to integrate into small form-factor devices. The sensor can detect the presence of magnets or ferrous materials, enabling features like automatic screen wake-up or flip cover detection.
Speed Sensing in Brushless DC Motors: The A1324 can be used for speed sensing in brushless DC (BLDC) motors. By detecting the magnetic field changes from the motor's rotor, it provides an analog voltage output that can be used to calculate motor speed. This application is particularly useful in automotive systems, HVAC fans, and industrial machinery, where precise speed control is critical. The sensor's wide operating temperature range ensures reliable performance in harsh environments.
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