Amphenol NPH-8-700-A-H Solid state, high reliability Datasheet

NPH Series
Solid State Medium
Pressure Sensors
Applications
Features
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Process control, P-to-I converters
Pneumatic control systems
HVAC controls
Biomedical: Infusion pumps, sphygmomanometers,
respirators
• Aerospace: Altimeters, barometers, cabin pressure
sensors
• Computer peripherals
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Amphenol
Advanced Sensors
Solid state, high reliability
Standard TO-8 package suitable for PC board mount
Low cost , small size
Available in gauge, absolute, and differential pressure versions
Media compatible with non-corrosive gases and dry
air
Typical FSO 100 mV @ 1.5 mA
Thermal accuracy FSO 0.4% typical
Overpressure capability to five times maximum rated
pressure
Three standard ranges: 15, 30 and 100 psi (1, 2 and
7 bar)
Nonlinearity 0.05% FSO typical
Standard 3/16 in OD pressure port
Ceramic substrate with temperature compensation
resistors
NPH Series Specifications
Description
An integrated circuit silicon sensor chip is housed in a
standard TO-8 electrical package that is printed circuit
board mountable.
output stability. Constant current excitation to the sensor produces a voltage output that is linearly proportional to the input pressure.
The latest techniques in micromachining have been
used to ion-implant piezoresistive strain gauges into
a wheatstone bridge configuration that is integrally
formed on a micromachined silicon diaphragm. As with
all NovaSensor silicon sensors, the NPH Series employs
SenStable® processing technology, providing excellent
The user can provide standard signal conditioning circuitry to amplify the 100 mV output signal. The sensor is
compatible with most non-corrosive gases and dry air.
Parameter
Value
Units
Notes
General
A laser-trimmed, thick-film resistor network on a hybrid
ceramic substrate provides temperature compensation.
Parameter
Units
Min.
Type
Max.
Notes
Performance Parameters(7), Compensated(1), 100, 200 and 700 kPa
Pressure Range
0 to 15
psi
(0 to 1 bar) 0 to 100 kPa
Offset
mV
–2
1
2
0 to 30
psi
(0 to 2 bar) 0 to 200 kPa
Full Scale Output
mV
75
100
125
2
0 to 100
psi
(0 to 7 bar) 0 to 700 kPa
Linearity
%FSO
–0.1
0.05
0.1
3
rated pressure (8)
%FSO
–0.05
0.01
0.05
Electrical @ 77°F (25°C) Unless Otherwise Stated
Hysteresis and
Repeatability
Input Excitation
1.5
mA
2 mA maximum
Thermal Accuracy of Offset
Insulation Resistance
108
Ω
@ 50 VDC
100 kPa
%FSO
–0.6
0.4
0.6
4
%FSO
–0.5
0.2
0.5
4
Maximum Pressure
4x
Input Impedance
4000
Ω
±20%
200 and 700 kPa
Output Impedance
5000
Ω
±20%
Thermal Accuracy of FSO
Bridge Impedance
5000
Ω
±20%
100 kPa
%FSO
–0.6
0.4
0.6
4
Environmental
200 & 700 kPa
%FSO
–0.5
0.2
0.5
4
Temperature Range
Thermal Hysteresis
%FSO
–0.1
0.05
0.1
5
Operating
Compensated
Vibration
Shock
Life (Dynamic
Pressure Cycle)
Short-Term
Stability of Offset
µV/V
5
6, 11
Short-Term
Stability of FSO
µV/V
5
6, 11
(9)
–40 to 257
32 to 158
10
100
1 x 106
°F
°F
gRMS
g
cycles
(-40°C to 125°C)
(0°C to 70°C)
20 to 2000 Hz
11 milliseconds
1. Performance with offset , thermal accuracy of offset , and thermal accuracy of FSO compensation resistors.
Mechanical (1)
Weight
<0.2
oz
(<5 g)
Media Compatibility
Non-corrosive gases and clean, dry air
3. Best fit straight line.
4. 32°F to 158°F (0°C to 70°C) with reference to 77°F (25°C)
Wetted Materials
Top Port
2. FSO with 1.5 mA input excitation.
Nickel, gold plated Kovar, silicone gel, gold
wire, RTV, silicon and glass.
Bottom Port
Gold plated Kovar, silicon, glass and RTV (10)
5. 32°F to 158°F (0°C to 70°C), by design.
6. Normalized offset/bridge voltage—100 hrs, typical value, not tested in
production.
7. All values at 77°F (25°C) and at 1.5 mA, unless otherwise noted.
8. Topside pressure. Backside pressure maximum pressure is 250 psi
(17.23 bar) or 4x rated pressure, whichever is less.
9. Reduced performance outside compensation range.
10. Backside differential tube is nickel or Kovar.
11. Typical specifications are for reference only; absolute values may vary.
NPH Series Specifications
NPH Series schematic diagram
NPH Series package diagram
NPH Series Specifications
Ordering Information
The code number to be ordered may be specified as follows:
NPH
Code
Package Configuration
8
TO-8
Code
100
200
700
Pressure Range (kPa)
100 kPa; 15 psi (1 bar)
200 kPa; 30 psi (2 bar)
700 kPa; 100 psi (7 bar)
Pressure
Absolute
Gauge
Differential
Code
A
G
D
Code
H
NPH
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Amphenol
Advanced Sensors
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Compensation
Hybrid substrate
____ Typical model number
www.amphenol-sensors.com
© 2014 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-920-314B-08/2014
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