Product Overview

The NPA Series of Surface-Mount Pressure Sensors offers a cost-effective solution for applications requiring calibrated performance in a miniature size. These sensors are designed for printed circuit board mounting and are delivered in tape and reel form for simplified manufacturing handling. Available in gauge, absolute, and differential pressure ranges, the NPA Series provides various output options including amplified analog, digital serial (14-bit), digital I2C, and uncalibrated mV. They feature an on-chip temperature sensor in digital mode and a wide operating temperature range, making them suitable for diverse industrial applications.

Product Attributes

• Brand: Amphenol Advanced Sensors
• Series: NPA
• Mounting: Surface-mountable (SOIC14 pin)
• Packaging: Tape and reel
• Certifications: RoHS:2010 compliant
• Warranty: 12 months from date of shipment

Technical Specifications

Parameter	Value	Units	Notes
Pressure Range	10 H2O to 30 PSI	Full Scale
Output Options	Amplified Analog, Digital Serial (14bit), Digital I2C, Uncalibrated mV
On-chip Temperature Sensor	Yes		In digital mode
Operating Temperature Range	-40 to 125	C	-40 to 257F
Compensated Temperature Range	0 to 60	C	+32 to +157F
Storage Temperature Range	-40 to 125	C	-40 to 257F
Total Error Band	< 1.5%	FSO
Proof Pressure	Up to 60	psi
Weight	~1	grams
Accuracy (Total Error Band)	-1.5 to 1.5	%FSO
Proof Pressure (10H2O to 1 psi)	5	psi
Proof Pressure (5 psi to 30 psi)	60	psi
Maximum Package Pressure	60	psi
Excitation Voltage (NPA-100)	1.5	mA	Uncompensated, mV
Excitation Voltage (NPA-300, NPA-730)	3.135 to 3.465	V	3.3V, Compensated, low power amplified analog / digital I2C
Excitation Voltage (NPA-500, NPA-600, NPA-700)	4.75 to 5.25	V	5.0V, Compensated, amplified analog / digital serial / digital I2C
Offset (5V Excitation, Amplified Analog)	0.44 to 0.56	Volts
Span (5V Excitation, Amplified Analog)	4	Volts	Absolute/Gauge
Offset (3.3V Excitation, Amplified Analog)	0.46 to 0.54	Volts
Span (3.3V Excitation, Amplified Analog)	2.5	Volts	Absolute/Gauge
Digital Output Resolution (Serial/I2C)	14	bit	16383 steps
Digital Output Sampling Rate (Serial)	1	kHz
Digital Output Sampling Rate (I2C)	2	kHz
I2C Bit Rate	100 to 400	kbits/s
I2C Slave Address	0x28
Uncalibrated mV Pressure Range (10H2O to 1 psi)	0.36 to 1	psi	10H2O = 2.5KPa
Uncalibrated mV Pressure Range (5 psi to 30 psi)	5 to 30	psi
Uncalibrated mV Excitation	1.5	mA	10 VDC Maximum
Uncalibrated mV Input Impedance	5000 20%
Uncalibrated mV Output Impedance	5000 20%
Uncalibrated mV Zero Offset	75	mV
Uncalibrated mV Full Scale Output (10H2O)	40 to 120	mV
Uncalibrated mV Full Scale Output (1 psi)	75 to 135	mV
Uncalibrated mV Full Scale Output (5 psi to 30 psi)	100 to 166	mV
Uncalibrated mV Linearity	0.25	%FSO	BFSL
Uncalibrated mV Pressure Hysteresis	0.20	%FSO
Uncalibrated mV Temperature Coefficient of Zero	30	V/ V / C
Uncalibrated mV Temperature Coefficient of Resistance	0.29 to 0.38	% /C
Uncalibrated mV Temperature Coefficient of Sensitivity	-0.2 to -0.19	%FSO/C
Uncalibrated mV Thermal Hysteresis of Zero	0.15	%FSO
Uncalibrated mV Position Sensitivity	0.2	%FSO	N/A for negative differential ports
Package Leadframe Material	Alloy 194, NiPdAu Plated

Ordering Information

Model	Code	Description
NPA	100	mV Output, Ratiometric Uncalibrated Sensor
NPA	300	Analog Amplified Output, 3.3Vdc Excitation, Calibrated Sensor
NPA	500	Analog Amplified Output, 5Vdc Excitation, Calibrated Sensor
NPA	600	Zacwire Digital Serial Output, Calibrated Sensor, 2 byte
NPA	601	Zacwire Digital Serial Output, Calibrated Sensor, 3 byte
NPA	700	I2C - Digital Output, 5Vdc Excitation, Calibrated Sensor, 2 byte
NPA	730	I2C - Digital Output, 3.3Vdc Excitation, Calibrated Sensor, 2 byte

Code	Port Type	Dual/Single Barb	Manifold	No Port	Qty/Tube	Qty/Reel	Qty/Reel/Carton	Qty/Carton
M	1 manifold port		✔		42 Units	300 Units	6 Reels	1800 Units
B	2 barbed ports	Dual/Single			42 Units	448 Units	6 Reels	2688 Units
N	Non ported			✔	42 Units	896 Units	6 Reels	5376 Units

Code	Pressure Range	Pressure Type
10W	10H2O (2.5 KPa)	G Gauge D Differential A Absolute*
001	1 PSI (7 KPa)
005	5 PSI (35 KPa)
015	15 PSI (100 KPa)
030	30 PSI (200 KPa)