13-Bit Signal Conditioning Interpolator with BiSS C Interface

iC-NQC is a real-time vector-tracking sine/cosine-to-digital converter featuring an angle resolution of up to 8192.

The absolute angle and period counter data is output at a fast serial interface (BiSS C or SSI protocol) with almost no latency, or as an incremental encoder quadrature signal with index.
The signal-conditioning analog front-end takes differential or single-ended signals and allows the correction of common signal errors. The signals are monitored and can trigger error and warning messages.

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Features

  • Resolution of up to 8192 angle steps per sine period
  • Binary and decimal resolution settings, e.g. 500, 512, 1000, 1024; programmable angle hysteresis
  • Count-safe vector follower principle, real-time system with 70 MHz sampling rate

Applications

  • Interpolator IC for angle resolution from sine/cosine sensor signals
  • Optical encoders
  • MR sensor systems


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