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” H2O Full Scale • Output Options: Amplified Analog, Digital Serial (14bit), Digital I2C • On chip temperature sensor in digital mode • Operating temperature range of -40 to 125°C • Total Error Band: +/-1.5% Span at 5”H2O full scale +/-2.5% Span at 2”H2O full scale Amphenol Advanced Sensors Low Pressure NPA Specifications Parameter Value Units Notes Pressure Range 2 or 5 In H2O 498 or 1245 Pa 5X Rated Pressure 400 in H2O Package Overpressure 3.3 to 5.0 VDC 3.1 to 5.25 VDC Operating -40 to +125 °C -40 to +257°F Compensated 0 to +60 °C +32 to +140°F Storage -40 to +125 °C -40 to +257°F ~1 grams Maximum Overpressure Electrical @ 25°C (77°F) unless otherwise stated Input Excitation Environmental Temperature Range Mechanical/Package Weight Media Compatibility Positive differential and gage ports Media compatible with thermoset plastic, silicon, epoxy, RTV, Pyrex, and UV silicone gel Negative differential ports Dry gasses only Performance Parameters 2 Units Accuracy (Total Error Band) % Span Response Time ms Current Consumption mA Minimum Maximum Notes -1.5 1.5 5”H2O Full Scale -2.5 2.5 2”H2O Full Scale 2 0.5 ms Typical 1.2 Typical Output Option: Amplified Analog Parameter Units Min Max 0.44 0.56 Analog Performance Parameters 5 volt Excitation Offset Volts Span (Absolute/Gauge) Volts 4 Analog Performance Parameters 3.3 volt Excitation Offset Volts Span (Absolute/Gauge) Volts 0.46 0.54 2.5 Typical Analog Circuits - Circuit layout same as “Ratiometric Voltage Output” V supply +2.7 to +5.5V V supply +5 to +5.5V J107 1 NP A 2 S ens or 3 14 1 13 2 12 3 4 11 5 V gate 10 6 VS S 7 V DD 9 S IG 8 0.1µF V out Ratiometric Voltage Output - Standard NPA NP A 13 S ens or 12 4 11 5 V ga gate te 10 6 VS S 7 G round 14 V DD 9 S IG 8 0.1µF V out G round Ratiometric Voltage Output with Over-Voltage Protection - Request Required V supply +5.5 to +30V MMBF 4392 1 14 NP A 2 13 S ens or 3 12 4 11 5 V gate 10 6 VS S 7 V DD 9 S IG 8 0.1µF V out G round Absolute Voltage Output - Request Required NPA Amplified Output Pinout Pin # Amplified Analog Function Notes 1 -- 2 -- 3 NC Do Not Connect 4 NC Do Not Connect 5 -- 6 VSS 7 -- 8 SIG Analog Out, Calibration Interface 9 VDD Supply Voltage 10 -- 11 NC Do Not Connect 12 NC Do Not Connect 13 -- 14 -- Ground Supply 3 Output Option: Digital Serial (14 bit) Parameter Units Min Typ Max Notes Digital Performance Resolution ADC 14bit Sampling Rate kHz 1 16383 steps Digital Output Options Streaming serial output is a 14 bit number proportional to the full scale. Zacwire—Digital Output (NOM) Bridge Readings Zacwire—Digital Output (NOM) Bridge Readings with Temperature Option NPA Digital Serial Pinout Pin # 4 Amplified Digital Serial Function Notes 1 -- 2 -- 3 NC Do Not Connect 4 NC Do Not Connect 5 -- 6 VSS 7 -- 8 SIG Digital Out, Calibration Interface 9 VDD Supply Voltage 10 -- 11 NC Do Not Connect 12 NC Do Not Connect 13 -- 14 -- Ground Supply Output Option: Digital I2C Parameter Units Min Typ Max Notes Digital Performance Resolution (ADC) bit 14 I2C Slave Address 16383 steps 0x28 Sampling Rate kHz I2C Bit Rate kbits/s 2 100 I2C Mode 400 Update Digital I2C Update Mode Output Options NPA I2C Pinout Pin # Digital I2C Function Notes 1 -- 2 -- 3 NC Do Not Connect 4 NC Do Not Connect 5 -- 6 VSS Ground Supply 7 VDD Supply Voltage 8 SDA Serial Data, Calibration Interface 9 SCL Serial Clock, Calibration Interface 10 -- 11 NC Do Not Connect 12 NC Do Not Connect 13 -- 14 -- I2C Circuit NPA Pinout 5 Barbed Design Recommended tubing size of 3/32” ID, 7/32” OD, 1/16” wall thickness (All measurements given in mm) Suggested PCB Land Pattern Package Leadframe Material: Alloy 194, NiPdAu 6 Ordering Information Model NPA Code Description 300 Analog Amplified Output, 3.3Vdc Excitation, Calibrated sensor 500 Analog Amplified Output, 5Vdc Excitation, Calibrated sensor 600 Zacwire —Digital Serial Output, Calibrated Sensor, 2 byte 601 Zacwire —Digital Serial Output, Calibrated Sensor, 3 byte 700 I2C - Digital output, Calibrated Sensor, 2 byte Code Port Type B 2 barbed ports for Gauge, Absolute and Differential pressure types** Code Pressure Range 02W 2”H20 (0.5 KPa) 05W 5”H20 (1.24 KPa) Code Pressure Type G Gauge D Differential NPA - 700 B - 02W D EXAMPLE • Contact NovaSensor for custom port options. • Refer to application guide 910-289 for more information. • Product is RoHS:2010 compliant. Warranty NovaSensor warrants its products against defects in material and workmanship for 12 months from the date of shipment. Products not subjected to misuse will be repaired or replaced. NovaSensor reserves the right to make changes without further notice to any products herein. NovaSensor makes no warranty, representation or guarantee regarding the suitability of its products for any particular application. NovaSensor does not assume any liability arising out of the application or use of any product or circuit and specifically disclaims, and all liability, without limitation consequential or incidental damages. The foregoing warranties are exclusive and in lieu of all other warranties, whether written, oral, implied or statutory. No implied statutory warranty or merchantability or fitness for particular purpose shall apply. 7 Amphenol Advanced Sensors www.amphenol-sensors.com © 2016 Amphenol Corporation. All Rights Reserved. Specifications are subject to change without notice. Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. AAS-920-644C 07/2016