10-Bit Ultra Low Power Magnetic Absolute Rotary Encoder

iC-TW11 is a single-chip magnetic rotary encoder for low voltage
(1.8–3.3 V) and low-power end-of-shaft applications. It
includes three Hall elements, automatic power management
features, and offers 10-bit resolution in a space-saving 4x4 mm
QFN package with 16 pins.

Communication and control of the iC-TW11 is via a 4-wire SPI interface. Multiple devices can be chained together.

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  • 10-bit angle resolution
  • Split power supplies for 1.8 V I/O applications
  • Sampling initiated via SPI command or dedicated pin


  • Battery-powered equipment
  • Digital potentiometers
  • Front panel controls

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