Allegro MicroSystems Inc. Datasheets for Magnetic Sensor Chips

Magnetic sensor chips are semiconductor devices that detect physical quantities using magnetic principles.
Magnetic Sensor Chips: Learn more

Product Name Notes
1D Linear Position Sensor ICs
2D Angle Position Sensor ICs
3D Magnetic Position Sensors
DISCONTINUED: This device is no longer in production. The device should not be purchased for new design applications. Samples are no longer available. Date of status change: February 8th, 2023.
New applications for linear output Hall effect sensors require medium accuracy and smaller package size. The Allegro A1304 linear Hall effect sensor IC has been designed specifically to achieve both...
New applications for linear output Hall-effect devices, such as displacement, angular position, and current measurement, require high accuracy in conjunction with small package size. The Allegro A1324, A1325, and A1326...
New applications for linear output Hall-effect sensors, such as displacement and angular position, require high accuracy in conjunction with redundant outputs. The Allegro A1359 programmable, linear, Hall effect sensor IC...
New applications for linear output Hall-effect sensors, such as displacement and angular position, require higher accuracy and smaller package sizes. The Allegro A1308 and A1309 linear Hall-effect sensor ICs have...
New applications for linear output Hall-effect sensors, such as displacement and angular position, require higher accuracy and smaller package sizes. The Allegro ALS31000 and A31004 linear Hall-Effect sensor ICs have...
The A1330 is a 360° angle sensor IC that provides contactless high-resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology. It has a system-onchip (SoC) architecture that...
The A1333 is a 360° angle sensor IC that provides contactless, low latency, high-resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology. It has a system-onchip (SoC)...
The A1335 is a 360° contactless high-resolution programmable magnetic angle position sensor IC. It is designed for digital systems and is capable of communicating via an I2C, SPI,...
The A1337 is a 0° to 360° angle sensor IC that provides contactless high-resolution angular position information based on magnetic circular vertical Hall (CVH) technology. It has a system-on-chip (SoC)...
The A1338 is a 0° to 360° angle sensor IC that provides contactless high-resolution angular position information based on magnetic circular vertical Hall (CVH) technology. It has a system-on-chip (SoC)...
The A1339 is a 360° angle sensor IC that provides contactless, low latency, high-resolution angular position information based on magnetic Circular Vertical Hall (CVH) technology. It has a system-onchip (SoC)...
The A1342 device is a high-precision, programmable Hall-effect linear sensor integrated circuit (IC) with an open-drain output, for both automotive and nonautomotive applications. The signal path of the A1342 provides...
The A1343 device is a high precision, programmable Hall-effect linear sensor integrated circuit (IC) with a configurable pulse width modulated (PWM) or single edge nibble transmission (SENT) output, for both...
The A139x family of linear Hall-effect sensor integrated circuits (ICs) provide a voltage output that is directly proportional to an applied magnetic field. Before amplification, the sensitivity of typical Hall...
The A1454 linear Hall-effect sensor IC provides a 12-bit digital output word that is proportional to the strength of the magnetic field that is present. Its quiescent output value is...
The A1667 is a true zero-speed ring magnet sensor integrated circuit (IC) consisting of an optimized Hall IC available in two package options that provides a user-friendly solution for digital...
The A1684LUB is an optimized Hall-effect sensing integrated circuit that provides a user-friendly solution for true zero-speed digital ring magnet and—when magnetically back-biased—gear tooth sensing in two-wire applications. The Hall-effect...
The A1698 is a Hall-effect based, integrated circuit (IC) that provides a user-friendly solution for two-wire, speed sensing of ring magnets or ferrous targets (when back-biased by the user) down...
The A1699 is an optimized Hall-effect integrated circuit (IC) that provides a user-friendly solution for direction detection and true zero-speed, digital ring-magnet sensing. The small package can be easily assembled...
The A19200 device is a Hall-effect-based integrated circuit (IC) that provides a user-friendly and versatile solution for either magnetic encoders or ferrous targets in two-wire applications. The A19200 is offered...
The A19250 is a giant magnetoresistance (GMR) integrated circuit (IC) that provides a user-friendly two-wire solution for applications where speed information is required. The small integrated package includes an integrated...
The A19301 is an optimized Hall-effect integrated circuit (IC) that provides a user-friendly two-wire solution for applications where pitch accuracy is important for the determination of speed and direction of...
The A19302 is an optimized Hall-effect integrated circuit (IC) with the option for PW- or AK-protocol two-wire interface, ideal for applications requiring the determination of speed and direction of the...
The A19420 is an optimized Hall-effect integrated circuit (IC) that measures the speed of rotating targets. This sensor IC can be used to directly measure ring magnets or be back-biased...
The A19520 is an advanced vibration-tolerant Hall-effect integrated circuit (IC) that measures the speed and direction of rotating targets. This sensor IC can directly measure ring magnets or be back-biased...
The A19530 is an optimized Hall-effect integrated circuit (IC) that is ideal for a wide range of speed and direction sensing needs with diagnostic requirements. It provides integrated EMC protection...
The A19570 is a giant magnetoresistance (GMR) integrated circuit (IC) that is ideal for transmission applications. Using a two-wire interface, the A19570 brings the same high performance as its Hall...
The A19571 is a magnetic sensor integrated circuit (IC) that uses giant magnetoresistance (GMR) technology to encode the speed and direction of rotating ring magnets. Using a state-ofthe-art GMR stack...
The A31102 is an especially configurable and robust solution for the most demanding linear magnetic field sensing applications, including torque sensing in electronic power steering (EPS). Two key features of...
The A31315 is a robust, fully integrated 3DMAG™ Hall-effect magnetic position sensor IC designed to support a wide range of non-contact rotary and linear position measurement in the automotive, industrial...
The AAS33001 is a 360° angle sensor IC that provides contactless high-resolution angular position information based on magnetic circular vertical Hall (CVH) technology. It has a system-on-chip (SoC) architecture that...
The AAS33051 is a 360° angle sensor IC that provides contactless high-resolution angular position information based on magnetic circular vertical Hall (CVH) technology. It has a system-on-chip (SoC) architecture that...
The Allegro A1315 linear Hall-effect sensor ICs has been designed specifically to meet higher accuracy and smaller package requirements. The accuracy of this device is enhanced via end-of-line optimization and...
The Allegro™ A1377 programmable linear Hall-effect sensor IC is designed for applications that require high accuracy and high resolution without compromising bandwidth. The A1377 employs segmented, linearly interpolated temperature compensation...
The ALS31001LUAA device is a miniature programmable linear Hall-effect sensor IC that operates at 3.3 V. This device is an ideal solution for use in automotive and industrial applications requiring...
The ALS31300 3DMAG™ position sensor provides a 12-bit digital value corresponding to the magnetic field measured in each of the X, Y, and Z axes. The ALS31300 is preconfigured for...
The ATS19200 is an optimized Hall-effect integrated circuit (IC), rare-earth pellet, and high-temperature ceramic capacitor in a single over-molded package that reduces size while improving EMC robustness. No external PCB...
The ATS19420 is an advanced Hall-effect integrated circuit (IC) that uses a fully integrated back-biased magnet to measure the speed of rotating ferrous targets. The package features an integrated capacitor...
The ATS19480 is a giant magnetoresistance (GMR) integrated circuit (IC) for speed sensing applications. The GMR-based IC is designed for use in conjunction with ferromagnetic gear tooth targets and is...
The ATS19580 is a giant magnetoresistance (GMR) integrated circuit (IC) that provides a user-friendly two-wire solution for applications where speed and direction information is required using ferromagnetic gear tooth targets.
The ATS344 device is a high precision, back-biased programmable Hall effect linear sensor integrated circuits (IC) with a configurable current mode pulse width modulated output, for both automotive and non-automotive...
The ATS667 is a true zero-speed gear tooth sensor IC consisting of an optimized Hall IC-rare earth pellet configuration in a single overmolded package. The unique IC and package design...
The ATS682LSH is a Hall-effect integrated circuit and rare earth pellet combination that provides a user-friendly solution for true zero-speed digital gear-tooth sensing in two-wire applications. This small package, with...
The A33002 and A33003 360° angle sensor ICs that provides contactless high-resolution angular position information based on magnetic circular vertical Hall (CVH) technology. They have a system-onchip (SoC) architecture that...
Transmission Sensor ICs
Wheel Speed Sensors