iC-LQNP TO18-4F

Pulse/AC Light Sensor with Dual Output

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Product description

iC-LQNP is a sensor for pulse and alternating light with an integrated photodiode.

AC signals are amplified whereas background light is electronically suppressed with over 60 dB (at 100 Hz). The center frequency of the band-pass filter is approximately 140 kHz.

Features

  • Fast response amplifier with on-chip photodiode
  • High interference immunity due to monolithic design
  • Active photodiode area of ca. 1 mm²
  • Suitable for visible light and near infrared
  • Integrated band-pass filter with 140 kHz center frequency
  • Maximum gain obtained for pulse light of 1.4 µs and upwards
  • High LF and DC (ambient) light suppression
  • Transfer characteristics irrespective of ambient light level
  • Soft signal and noise limiter with excess ambient light
  • Fast recovery from flashes
  • Complementary analog current source outputs, transimpedance can be set by external resistor
  • Single 5 to 12 V supply, low power consumption also with bright ambient light

Applications

  • Receiver for through beam and reflection light barriers with background suppression (sunlight) e.g. for presence detection in power operated gates, doors and windows etc.
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