AL53 辐射传感器

发布时间:2018-06-21浏览次数:364
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  Radiation Sensor AL53

        - Detects Alpha and Beta Particles and Gamma Ray

        - Ultra Low Power Requirement

  Description

  The heart of the AL53 radiation sensor is a customized PIN diode, covered with a thin aluminum foil to make it insensitive to light. An integrated pulse discriminator with a temperature compensated threshold level provides true TTL signal output. The AL53 is capable of detecting alpha and beta particles and gamma ray.


  The performance of the AL53 solid state sensor, in combination with ultra low power requirements make it a good choice for new state-of-the-art designs as well as for upgrading existing designs.


  Features and Benefits

  · Detects alpha (Am-241), beta (C-14) and gamma radiation

  · Ultra low power requirement (25 μA)

  · Detector sensitivity: 5 cpm/μSv/h

  · High immunity to RF and electrostatic fields

  · Linear response over wide temperature range (-30 °C to 50 °C)

  · Swiss made


  Application Areas

  · Equipment for detecting radioactivity in medical environment

  · Radiation monitors for nuclear safeguards and security

  · Detection of illicit substances

  · Natural sciences courses and practical lab experiments


  Absolute Maximum Ratings

  Supply voltage, VCC to GND                 18.0 V

  Output short-circuit current                  continuous

  Storage temperature range                   -65 °C to 100 °C


  Electrical Characteristics

  Unless otherwise indicated specified at:

  VCC = 4.0 V, TA = 25 °C

  Measurement range of dose rate          0.1 μSv/h to 100 mSv/h

  Pulse count rate                                     5 cpm ± 15% for 1 μSv/h radiation dose rate

  Energy response                                    50 keV to above 10 MeV

  Output pulse level                                 Equal to supply voltage (positive going)

  Output pulse width                               50 μs to 200 μs (LOW?HIGH?LOW)

  Supply voltage range, VCC                   2.5 V to 15.0 V

  Supply current, I                                 25 μA TYP

  Operating temperature range              -20 °C to 60 °C


  Sensor Characteristics

  PIN diode active area                           13 mm2

  Window                                                Aluminum 9.5 x 9.5 x 0.01 mm


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