iC-MQ    Programmable 9-Bit Sin/Cos Interpolation IC with Fail-Safe RS422 Line Driver

  • Optical and magnetic position sensors
  • Rotary encoders
  • Linear encoders
  • No-latency sine-to-digital conversion to 400 angle steps
  • 200 kHz input frequency for interpolation factors of x1 to x5 (10 kHz for x100)
  • Flexible I/O pin configuration due to signal path multiplexers
  • PGA inputs for differential and single-ended signals
  • Variable input resistance for current/voltage conversion
  • Signal conditioning for offset, amplitude and phase
  • Controlled 50 mA current source as LED or MR bridge supply
  • Fault-tolerant RS422 line drivers to 50 mA
  • Quadrature signals with selectable min. phase distance for glitch free counter control
  • Index signal processing with adjustable position and length
  • Signal and operation monitoring with programmable alarm output, driver shutdown and error memory
  • I2C multimaster interface for in-circuit calibration and parameters (EEPROM)
  • Supply monitoring with power switch for reverse polarity tolerant systems
  • Excessive temperature protection with sensor calibration
  • Single 4.3 to 5.5 V supply, operation from -25(-40) to +100 ┬░C
Programmable 9-Bit Sin/Cos Interpolation IC with Fail-Safe RS422 Line Driver
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