Amsys GmbH & Co. KG

Amsys GmbH & Co. KG

An der Fahrt 4, 55124 Mainz, Germany

KMA36 universal magnetic encoder

KMA36 universal magnetic encoder

The KMA36 is a universal magnetic encoder for precise rotational or linear measurement. These position sensors feature a system-on-chip technology that combines a magnetoresistive element along with analog to digital converter and signal processing in a standard small package. By using Anisotropic Magneto Resistive (AMR) technology, the KMA36 is able to determine contactlessly the magnetic angle of an external magnet over 360°, as well as the incremental position on a magnetic pole strip with 5 mm pole length. Its sleep and low power mode as well as automatic wake-up make the KMA36 ideal for many battery applications. Position data can be transmitted using a PWM or I²C interface. Using the programmable parameters, the user can have access to a wide range of configuration to ensure the maximum of freedom and functionalities.


  • Contactless absolute 360° (180°) angle measurement

  • Incremental mode and linear mode

  • Standard I²C Interface (100 kHz)

  • Programmable resolution up to 13 bit (0.04 degree)

  • Very low hysteresis

  • High accuracy mode

  • User programmable parameters

  • Low power mode

  • Operating temperature -25 ... +85°C

  • Sleep and automatic wake-up over I²C

  • Programmable zero position

  • Device address hardware configurable

  • Small Pb-Free package (TSSOP20)

  • RoHS compliant

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