AXCA Series

The Amplified line of middle pressure sensors is based upon a proprietary package technology to reduce errors. This model provides a ratiometric 4-volt output with superior output characteristics. The sensor housing has been designed specifically to reduce package induced parasitic stress and strain. 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. Each sensor is internally compensated using an ASIC compensation technique. 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

    • 0.3 to 150 PSI Pressure Ranges
    • Ratiometric 4V Output
    • Temperature Compensated
    • Calibrated Zero and Span
  • Applications

    • Medical Instrumentation
    • Environmental Instrumentation
    • HVAC Instrumentation

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.)

250°C

Environmental Specification

Temperature Ranges

-

Compensated

5 to 50°C

Operating

-25 to 85°C

Storage

-40 to 125°C

Humidity Limits

0 to 95% RH (non condensing)

Available Package

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150 PSI-D-4V Performance Characteristics

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PARAMETER MIN NOM MAX UNITS Notes
Output Span (FSS) ±1.90 ±2.0 ±2.10 V 4
Offset Voltage @ zero differential pressure 2.15 2.25 2.35 V -
Offset Temperature Shift - - ±20.0 mV 2
Linearity, hysteresis error - - ±0.5 %FSS 3
Span Temperature Shift - - ±1.0 %FSS 2

Standard Pressure Range

Operating Pressure

±150 PSI

Nominal Span

±2V

Proof Pressure

200 PSI

Burst Pressure

200 psi

Specification notes

NOTE 1: ALL PARAMETERS ARE MEASURED AT 5.0 VOLT EXCITATION, FOR THE NOMINAL FULL SCALE PRESSURE AND ROOM TEMPERATURE UNLESS OTHERWISE SPECIFIED. PRESSURE MEASUREMENTS ARE WITH POSITIVE PRESSURE APPLIED TO PORT B. ABSOLUTE DEVICES REQUIRE PRESSURE TO BE APPLIED TO PORT A.
NOTE 2: SHIFT IS RELATIVE TO 25°C OVER THE COMPENSATED TEMPERATURE RANGE.
NOTE 3: MEASURED AT ONE-HALF FULL SCALE RATED PRESSURE USING BEST STRAIGHT LINE CURVE FIT.
NOTE 4: THE SPAN IS THE ALGEBRAIC DIFFERENCE BETWEEN FULL SCALE OUTPUT VOLTAGE AND THE OFFSET VOLTAGE.

Standard Package