iC-LNB    18-Bit Optical Encoder with SPI and Serial/Parallel and FlexCount® Outputs

  • Optical position sensors
  • Linear scales
  • Absolute rotary encoders
  • Programmable incremental encoders
  • Motor feedback systems
  • System-on-chip design for excellent reliability
  • Leading/trailing sampling of 10 binary tracks pitched at 400 μm
  • Analog sine/cosine scanning with enlarged photodiodes, signal conditioning and fast 8-bit vector tracking interpolation
  • Absolute singleturn resolution of up to 18 bit
  • Unique FlexCount® circuit: freely selectable resolution for absolute and incremental data
  • Incremental quadrature outputs with 1 to 65,536 CPR and programmable index signal
  • LED illumination control by 50 mA high-side current source (sin2+cos2 or sum control modes)
  • Alarm indication for configuration or illumination error
  • Permanent RAM monitoring by parity bits
  • 3.3 V-compatible SPI and I/O ports for configuration and data
  • Serial data readout in 1 μs cycles at 16 MHz clock frequency
  • Parallel position data output for 16 bit
  • Operation at 4 V to 5.5 V within -40 °C to 110 °C
  • 30-pin optoBGA or 38-pin optoQFN package for SMT
  • Illumination: iC-SN85 BLCC SN1C (850 nm encoder LED)
  • Code discs: LNB1S 42-1024 (1024 PPR, Ø42 mm/18 mm), LNB4S 26-1024 (1024 PPR, Ø26.0 mm/9.6 mm)
    38-pin optoQFN
18-Bit Optical Encoder with SPI and Serial/Parallel and FlexCount® Outputs
Product Overview
Application Guide
Application Support
+49 6135 / 9292 300