iC-RC1000 MSOP10

Sin/Cos Signal-Safety Supervisory IC

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Product description

iC-RC1000 is a monitoring circuit with intrinsic safety, designed for industrial drives evaluating sine encoders for SIL applications.

The IC is monitoring 4 signal lines for a plausible DC voltage range, and 2 paired lines for an acceptable differential 1 Vpp signal.
iC-RC1000 offers hardware redundancy by 2 diagnostic channels, which independently generate a Signal-OK and a Signal-ERROR message.


  • Sine/cosine encoder signal monitoring for SIL applications
  • Suitable for differential encoder signals of 1 Vpp (250 mV amplitude per line)
  • Suitable for single-ended input signals (500 mV amplitude per line)
  • Verification of common mode range per signal line (from DC to 500 kHz)
  • Lissajous figure monitoring with min/max limits (from DC to 100 kHz)
  • Cable fracture detection
  • Source decoupling and overvoltage clamping per pin by external resistors
  • Single-failure-proof dual channel concept
  • Independent diagnostic outputs: Signal OK message and signal ERROR message


  • Sensor monitoring
  • Motion control
  • Functional safety
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