Light-Curtain Pulse Receiver

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Product description

The iC-NE device is a light-grid receiver IC. Typical applications cover light curtains, light barriers and electro-sensitive protective equipment in general.

iC-NE contains a bandpass amplifier with a center frequency of typically 300 kHz, a differential current-signal output plus control logic to activate the amplifier and the output. Deactivated, the current consumption is very low and the current-signal outputs SN and SP are switched to high impedance (zero current).


  • Photoelectric amplifier adapted to standard photodiodes
  • Built-in bandpass filter with 300 kHz center frequency
  • Differential current-signal output with open drain low-side drivers
  • Nonlinear transfer function results in wide dynamic range of 100 nA to 1.5 mA for pulsed photocurrents
  • Fast flash recovery time of max. 30 µs
  • Recovery time below 10 µs for excessive photocurrents of up to 1.8 mA
  • 3-step shift register and control logic
  • Compatible to CMOS levels
  • Single 5 V supply
  • Low standby current; circuit activation by input data
  • Power-down reset
  • Suited for high-risk applications according to IEC 61496-1


  • Light curtains
  • Light barriers
  • Electro-sensitive protective equipment (ESPE)
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