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

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

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

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