Overview Interpolators Overview Encoder iCs

iC-TW4    8-Bit Sin/Cos Interpolator with Automatic Offset Correction

Applications
  • Optical and magnetic position sensors
  • Rotary encoders
  • Linear encoders
  • Small and simple embedded solutions
Features
  • Programmable real-time interpolation
  • Selectable interpolation factors of x2, x4, x5, x8, x10, x16, x20, x25, x32, x50, x64
  • Differential voltage inputs
  • Selectable gain (10 mV to 1.5 V and 2.5 µA to 20 µA)
  • Maximum input frequency 300 kHz (<= x8), 150 kHz (x10 to x16),75 kHz (> x20)
  • Encoder quadrature output mode
  • Startup behaviour: ABZ to absolute position in period
  • Differential output drivers for 120 Ohm termination
  • Latency < 1 µs
  • Hysteresis selectable from 2.8° to 15.6°
  • Filter of 16 samples
Packages
    QFN24
Block Diagram
Blockdiagram
 
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