iC-NG SO28W

8-Bit Sin/D Converter-Processor

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Product description

iC-NG is a real-time vector-tracking sine/cosine-to-digital converter with an angle resolution of up to 256.
The angle can be output via a parallel MCU interface (absolute), or as an encoder quadrature signal with index.

Features

  • Real-time interpolator with a programmable resolution of up to 256 steps/period
  • Calibration features permit adaptation of distorted sine/cosine signals
  • Output with A/B/Z incremental signals of up to 400 kHz, as a parallel 8-bit absolute vector or via a serial interface
  • Error messaging with excessive input frequency
  • Programmable index position
  • Fast 24-bit multiturn counting (position capture with target position interrupt)
  • 8-bit μP interface
  • Interrupt controller
  • Adjustable clock oscillator
  • Front-end amplifiers configurable externally
  • Chip setup can be loaded from a serial EEPROM
  • TTL-compatible inputs, TTL-/CMOS-compatible outputs
  • Inputs and outputs protected against destruction by ESD

Applications

  • Absolute and incremental angle interpolation from orthogonal sinusoidal input signals
  • Interpolating interface for MR sensors and optical analog encoders
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