iC-TW11 QFN16-4x4

10-Bit Ultra Low Power Magnetic Absolute Rotary Encoder

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Product description

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.

Features

  • 10-bit angle resolution
  • Split power supplies for 1.8 V I/O applications
  • Sampling initiated via SPI command or dedicated pin
  • Maximum sampling frequency of up to 20 kHz
  • 21 µA typical supply current at 10 Hz sampling frequency
  • Low power mode reduces current to 3 µA at 10 Hz
  • Automatic power-down to 100 nA between samples
  • Standard 4-wire SPI communication
  • Automatic Hall array gain control (AGC)
  • Digital filter to reduce measurement noise
  • Operational temperature range of -40 to +125 °C
  • Space-saving, RoHS compliant 4x4 mm QFN16 package

Applications

  • Battery-powered equipment
  • Digital potentiometers
  • Front panel controls
  • Servo or stepper motor control
  • Assembly robots and autonomous vehicles
  • Office equipment and household appliances
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