ADCA Series Very Low Pressure

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The Amplified line of low pressure sensors is based upon a proprietary technology to reduce all output offset or common mode errors. This model provides a ratiometric 4-volt output with superior output offset characteristics. Output offset errors due to change in temperature, stability to warm-up, stability to long time period, and position sensitivity are all significantly reduced when compared to conventional compensation methods. In addition the sensor utilizes a silicon, micromachined, stress concentration enhanced structure to provide a very linear output to measured pressure.   These calibrated and temperature compensated sensors give an accurate and stable output over a wide temperature range. This series is intended for use with non-corrosive, non-ionic working fluids such as air, dry gases and the like.   The output of the device is ratiometric to the supply voltage over a supply voltage range of 4.5 to 5.5 volts.

  • Features

    • 0.25 and 0.5 inH2O Pressure Ranges
    • Ratiometric 4V Output
    • Temperature Compensated
    • Calibrated Zero and Span
  • Applications

    • Medical Breathing
    • HVAC

equivalent Circuit

Pressure Sensor Maximum Ratings

Supply Voltage, Vs

+4.5 to +5.5 Vdc

Common-mode pressure

-10 to +10 psig

Lead Temperature, max (soldering 2-4 sec.)


Environmental Specification


5 to 50° C


-25 to 85° C


-40 to 125° C

Humidity Limits

0 to 95% RH (non condensing)

Available Package

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Pressure Range Differential Absolute Gauge
0.25 inH2O 0.25 INCH-D-4V -- 0.25 INCH-G-4V
0.5 inH2O 0.5 INCH-D-4V -- 0.5 INCH-G-4V