NPA Low Pressure Surface-Mount Pressure Sensor Series The NPA product series is provided in a miniature size as a cost effective solution for applications that require calibrated performance. Packaged in a SOIC14 pin surface mount, the NPA-Low Pressure Series is available in Gauge or Differential pressure ranges with either amplified analog or digital outputs. The sensor is intended for printed circuit board mounting and delivered in tape and reel form to simplify manufacturing handling. Features Surface Mountable Differential, Gauge, Low Pressure 2 and 5 H O Full Scale 2 2 Output Options: Amplified Analog, Digital Serial (14bit), Digital I C On chip temperature sensor in digital mode Operating temperature range of -40 to 125C Total Error Band: +/-1.5% Span at 5H O full scale 2 +/-2.5% Span at 2H O full scale 2 Amphenol Advanced SensorsLow Pressure NPA Specifications Parameter Value Units Notes Pressure Range 2 or 5 In H O 498 or 1245 Pa 2 Maximum Overpressure 140 In H O 400 in H O Package Overpressure 2 2 Electrical 25C (77F) unless otherwise stated Input Excitation 3.3 or 5.0 VDC Environmental Temperature Range Operating -40 to +125 C -40 to +257F Compensated 0 to +60 C +32 to +140F Storage -40 to +125 C -40 to +257F Mechanical/Package Weight ~1 grams Media Compatibility Media compatible with thermoset plastic, silicon, epoxy, RTV, Positive differential and gage ports Pyrex, and silicone gel Negative differential ports Dry gasses only Performance Parameters Units Minimum Maximum Notes -1.5 1.5 5H O Full Scale 2 Accuracy (Total Error Band) % Span -2.5 2.5 2H O Full Scale 2 Response Time ms 2 0.5 ms Typical Current Consumption mA 1.2 Typical Series Excitation Voltage Min (V) Max (V) Notes NPA-300 3.3V 3.28 3.32 NPA amplified analog NPA-500 5.0V 4.97 5.03 NPA amplified analog NPA-730 3.3V 3.28 3.32 NPA digital I2C NPA-700 5.0V 4.97 5.03 NPA digital I2C 2