Broadcom AEAT-9922 10-Bit to 18-Bit programmable magnetic encoder

Broadcom AEAT-9922 10-Bit to 18-Bit programmable magnetic encoder

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The AEAT-9922 is an angular magnetic rotary sensor that provides accurate angular measurement over a full 360° of rotation

The AEAT-9922 is an angular magnetic rotary sensor that provides accurate angular measurement over a full 360° of rotation. It is a sophisticated system that uses integrated Hall sensor elements with complex analog and digital signal processing within a single device. A simple two-pole magnet generates the necessary magnetic field by rotating it perpendicularly. Wide magnetic field sensor configurations allow on-axis (end of shaft) or off-axis (side of the shaft) modes. The AEAT-9922 is a versatile solution that supports a broad range of applications with its robust architecture to measure and deliver both absolute and incremental signals.

Key features

  • 5 V and 3.3 V operation
  • Selectable 10 bits up to 18 bits of absolute resolution
  • Flexible Incremental ABI resolution ranging from 1 to 10,000 CPR
  • Commutation angle output UVW 1 to 32 pole-pair

Additional features

  • PWM output modes with Cyclic Redundancy Check (CRC)
  • User-programmable zero position, direction, index width, and index position
  • Programmable hysteresis
  • Absolute output over 2-wire SSI, 3-wire SSI, and 4-wire SPI
    • Each output available in a different mode
  • INL angle correction for high accuracy
  • Compact QFN-24 leads 4 x 4 mm package
  • Wide operating temperature range:
    • From -40 °C to 125 °C
  • RoHS compliant

more information: https://www.broadcom.com/products/motion-control-encoders/magnetic-encoders/aeat-9922

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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