iC-PR256 oQFN24-4x4

3-Ch. Reflective Encoder 256 µm period pitch

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Product description

The iC-PR series are advanced optical, reflective, lensless encoder iCs featuring integrated HD Phased Array photosensors and a blue LED. They provide high signal quality with relaxed alignment tolerances.
Differential digital ABZ outputs with or without interpolation or analog SIN/COS outputs with index are available. Typical applications are incremental encoders for motor control.


  • Lensless, reflective opto-encoder iCs, compact, high-resolution, incremental
  • Suitable reflective code discs of Ø 4, Ø 14, Ø 26, and Ø 43 mm and linear scales with 256 µm period length
  • Monolithic HD Phased Array with excellent signal matching
  • Integrated blue LED with power control, EncoderBlue®
  • Low-noise signal amplifiers with high EMI tolerance
  • Pin-selectable modes of operation: Digital A/B/Z (x1, x2, x4, x8, x16 interpolated), analog COS/SIN with analog or digital Z
  • Pin-selectable index gating: Ungated (1 T), B-gated (0.5 T), AB-gated (0.25 T)
  • Pin-selectable minimal edge distance: 80 ns, 1 µs, 10 µs
  • Complementary quadrature outputs PA, NA, PB and NB
  • Complementary index outputs PZ and NZ
  • Analog signal output for ease of alignment and resolution enhancement by external interpolation
  • Operating temperature range of -40 °C to +105 °C
  • Compact and lensless optoQFN mold package


  • Incremental encoders
  • Miniature motors and actuators
  • X-Y and linear stages
  • Factory automation robots
  • Consumer robots
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