Programmable 12-Bit Sin/Cos Interpolation IC With RS422 Driver

iC-PI is a real-time vector-tracking sine/cosine-to-digital converter with an angle resolution of up to 4000 / 4096.

The angle is output via fail-safe RS422 drivers as an encoder quadrature signal with index, glitch-free at a guaranteed minimum edge distance.

The signal-conditioning analog front-end takes differential or single-ended signals (current-to-voltage conversion is optional) and allows the correction of common signal errors. All device functions are monitored, improper operation can be alarmed.



iC-PI is the recommended replacement part for iC-MQF.

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Features

  • Latency-free sine-to-digital conversion with up to 4000/4096 angle steps
  • Input frequency: 500 kHz (x10), 80 kHz (x100), 8 kHz (x1000)
  • Flexible pin assignment using signal path multiplexers

Applications

  • Rotary and linear encoders
  • Magnetic or optical angle sensor modules
  • Brushless motor commutation


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