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CARDINAL 640 Low Noise (LOON)

This FPA consists of a Digital Low Noise ROIC and state-of-the-art Planar InGaAs P-I-N diode array. The detector can be supplied in two types of package:

  • Metallic package which includes a Thermo-Electric Cooler (TEC)
  • Ceramic TEC-less package


The metallic package can be supplied with a low power proximity board which provides:

  • Timing and sensitive power supply to the ROIC
  • Camera Link Interface (similar to the Cardinal 640)
  • TEC control electronics


  • Parameter
  • Technology
  • Format
  • Pitch
  • QE
    > 80% @ 1550nm
  • Spectral Response
    SWIR-VIS: 0.6 – 1.7µm
  • Dark current (typical)
    1fA @ 283K
  • Operating modes and well capacity
    High gain (for Low Light Level imaging) – 15Ke / Low gain (for high quality daylight imaging) – 0.3Me
  • Max FR @ full window
    360 F/sec @ 13bit resolution Global Shutter
  • Windowing
    Flexible, 2 row step
  • ROIC noise (typical)
    High gain: 15e (with CDS) / Low gain: 170e
  • Ambient operating temperature
    -40C to +71C
  • Active imaging time constant
    600nsec @ full frame / 100nsec @ 64x64 block
  • FPA power dissipation
    < 100mW @ 60 F/sec
  • Package
    Metallic (vacuum tight), 30x30 mm footprint / Ceramic TEC-less (Inert gas) low SWaP, 25x20mm footprint
  • Cooling capability (metallic package only)
    Down to - 10C @ 30C environment
  • Proximity electronics (optional for metallic package)
    Camera Link interface / Power dissipation: 1.7W @ 60Hz, 25degC ambient (without TEC) / TEC control circuitry / EMC compatibility to MIL-STD-461C
    •  CARDINAL 640 Low Noise (LOON)
    •  CARDINAL 640 Low Noise (LOON)
    •  CARDINAL 640 Low Noise (LOON)
    •  CARDINAL 640 Low Noise (LOON)

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