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
2-Wire ASIL Compliant Transmission Speed And Direction IC
2-Wire Motorbike Speed Sensor IC
3-Wire Differential Speed And Direction Sensor IC W/ Open/Short Detection And ASIL
ASIL Angle Sensor W/ Turns Count
Crankshaft Position Sensor IC With Speed And Direction Output
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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,...
Description 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...
Description 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...
Description 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...
Description 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...
Description The A1346 is the ideal solution for safety-critical applications. It incorporates full die redundancy with the added benefits of advanced diagnostics. The combination of these two features allow for...
Description The A1356 device is a high precision, programmable open drain Hall-effect linear sensor IC with a pulse width modulated (PWM) output. The duty cycle (D) of the PWM output...
Description The A1357 device is a high precision, programmable two-wire Hall-effect linear sensor IC with a pulse width modulated (PWM) current. The A1357 device converts an analog signal from its...
Description 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...
Description The A1421, A1422, and A1423 are AC-coupled Hall-effect sensor ICs which include monolithic integrated circuits that switch in response to changing differential magnetic fields created by rotating ring magnets...
Description The A1425 AC-coupled Hall-effect sensor IC is a monolithic integrated circuit that switches in response to changing differential magnetic fields created by rotating ring magnets and, when coupled with...
Description 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...
Description The A1468 is an optimized Hall effect sensing IC that provides a user-friendly solution for digital ring-magnet sensing, or when coupled with a magnet, ferromagnetic target sensing, in three-wire...
Description The A1469 is an optimized Hall effect sensing IC that provides a user-friendly solution for digital ring-magnet sensing, or when coupled with a magnet, ferromagnetic target sensing, in three-wire...
Description The A16100 is a combined Hall-effect sensing integrated circuit and EMC protection circuit that provides a user-friendly, PCB-less solution for camshaft applications. The A16100 incorporates a dual element Hall...
Description The A16311PUCA is a True Power-On State camshaft sensor incorporating an advanced fully synchronous digital IC and EMC protection circuit all in a single sensing solution. The A16311 is...
Description The A1642 is an optimized Hall-effect sensing integrated circuit that provides a user-friendly solution for true zero-speed digital ring-magnet sensing in two-wire applications. This small package can be assembled...
Description The A16601 AC-coupled Hall-effect sensor IC is a monolithic integrated circuit that switches in response to changing differential magnetic fields created by rotating ring magnets and, when coupled with...
Description 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...
Description 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...
Description The A1688 is a Hall-effect based integrated circuit (IC) that provides a user-friendly solution for true zero-speed digital ring magnet and gear tooth sensing in two-wire applications. The A1688...
Description The A1693 is a magnetic sensor IC designed for measuring the speed and direction of rotating transmission systems. This IC can directly measure ring magnets or be back-biased with...
Description The A1696 is a Hall-effect sensor IC with integrated EMC protection components specifically designed for Crankshaft applications. It offers true zero-speed digital crankshaft sensing with speed and direction information...
Description 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)...
Description 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...
Description The A17201 is an AC-coupled Hall-effect sensor IC which includes monolithic integrated circuits that switch in response to changing differential magnetic fields created by rotating ring magnets or, when...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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,...
Description 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...
Description 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...
Description 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...
Description 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...
Description 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...
Description The ALS31313 3DMAG™ position sensor provides 12-bit digital output words that are proportional to the strength of the field present in each of the X, Y, and Z axes.
Description The ATS128LSE programmable, true power-on state (TPOS), sensor IC is an optimized combination of Hall-effect IC and rare-earth pellet that switches in response to magnetic signals created by ferromagnetic...
Description The ATS16301 is a True Power-On State camshaft sensor incorporating a non-rare-earth back-biasing magnet, advanced fully synchronous digital IC, and an EMC protection circuit all in a single sensing...
Description The ATS17501 is a single IC solution designed for rotational position sensing of a ferrous gear target found in automotive and industrial electric motor applications (often with specific application...
Description 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...
Description 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...
Description The ATS468 is a true zero-speed gear tooth sensor IC consisting of an optimized Hall IC and a permanent magnet pellet configuration in a single overmolded package. The integrated...
Description The ATS601LSG is a unique addition to the Allegro™ camshaft sensor IC family of products. As a single element, defined power-on state, sensor IC, it provides first falling edge...
Description The ATS605LSG provides a single IC solution to rotational position sensing applications with a ferrous gear target. The SG package incorporates a rare earth pellet for ease of manufacturing,...
Description The ATS616 gear-tooth sensor IC is a peak-detecting device that uses automatic gain control and an integrated capacitor to provide extremely accurate gear edge detection down to low operating...
Description The ATS617 gear-tooth sensor IC is a peak-detecting device that uses automatic gain control and an integrated capacitor to provide extremely accurate gear edge detection down to low operating...
Description The ATS627 is a true zero-speed gear tooth sensor IC consisting of an optimized Hall IC and rare earth pellet configuration in a single overmolded package. The integrated circuit...
Description The ATS642 is an optimized Hall IC providing a user-friendly solution for true zero-speed digital gear-tooth sensing in two-wire applications. The device consists of a single-shot molded plastic package...
Description 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...
Description The ATS668LSM is an optimized Hall-effect integrated circuit (IC) and permanent magnet pellet combination with integrated EMC protection components to provide a user-friendly solution for true zero-speed digital gear...
Description The ATS675 is the next generation of the Allegro® True Power-On State (TPOS) sensor IC family, offering improved accuracy compared to prior generations. The ATS675 provides absolute zero-speed...
Description 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,...
Description The ATS685 is an optimized Hall-effect sensing 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. The sensor...
Description The ATS692LSH is an optimized Hall-effect integrated circuit (IC) and rare earth pellet combination that provides a user-friendly solution for direction detection and true zero-speed, digital gear tooth sensing.
Description The ATS693LSG is an optimized Hall-effect integrated circuit (IC) and rare earth pellet combination that provides a user-friendly solution for direction detection and true zero-speed, digital gear tooth sensing.
Description The A33002 and A33003 are 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)...
Dual Output Narrow Pitch Differential Speed And Direction Sensor IC
High Accuracy, GMR Wheel Speed & Direction Sensor IC
Large Air Gap, GMR Transmission Speed and Direction Sensor IC for Gear Tooth Sensing
Large Air Gap, Vibration Immune, GMR Transmission Speed & Direction Sensor IC
Linear Hall-Effect Sensor IC With Analog Output, In Ultramini Through-Hole Package
Linear Hall-Effect Sensor IC With Analog Output
Low Noise, Linear Hall Effect Sensor IC With Analog Output
Low Noise, Torque Sensor With 5V Only Eeprom Programming
Precision Angle Sensor IC With On-Chip Linearization, Sent, Spi, And Pwm Output
Progammable Linear W/Analog Output
Programmable Angle Sensor IC With Analog And PWM Output
Programmable Linear W/Advanced Diagnostics
Self-Calibrating TPOS Camshaft Speed Sensor
Three-Wire True Zero-Speed Differential Peak-Detecting Sensor IC with Continuous Calibration
Three-Wire Zero-Speed Differential Peak-Detecting Sensor Ic With Continuous Calibration
Unidirectional Linear Hall-Effect Sensor IC with Analog Output, in Miniature Low-Profile Surface-Mount Package