MODEL 17 Ultrastable
• Medical Instrumentation
PC Board Mountable Pressure Sensor
0-100 mV Output
Gage and Absolute Pressure
Wide Temperature Range
• Calibration
• Process Control
• Factory Automation
• Air Flow Management
• Leak Detection
DESCRIPTION
The Model 17 is a high performance, temperature compensat-
ed, piezoresistive silicon pressure sensor packaged in TO-8
configurations. It provides excellent performance and long-
term stability over wide temperatures.
Gage and absolute pressure ranges from 0-15 PSI to 0-
250 PSI are available. Integral temperature compensation is
provided over a range of -20°C to +85°C using laser-trimmed
resistors. An additional laser-trimmed resistor is included to
normalize pressure sensitivity variations by programming the
gain of an external differential amplifier. This provides
sensitivity interchangeability of ±1%.
Please refer to the low pressure section for information on
products with operating pressures less than 0-2 PSI.
Pressure
DIMENSIONS
FEATURES
•
TO-8 Package
•
-20ºC to +85ºC Compensated
Temperature Range
•
±0.1% Non-linearity
•
±0.5% Temperature Performance
•
1.0% Interchangeable Span
(provided by gain set resistor)
•
Solid State Reliability
•
Low Power
STANDARD RANGES
Range
0 to 15
0 to 30
0 to 50
0 to 100
0 to 250
psig
psia
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I n t e r n e t : w w w. m s i u s a . c o m
Te l : 1 - 7 5 7 - 7 6 6 - 1 5 0 0
N o r t h A m e r i c a To l l F r e e : 1 - 8 0 0 - 7 4 5 - 8 0 0 8
Fax: 1-757-766-4297
1-39
T O - 8 - W i d e Te m p e r a t u r e R a n g e
PC Board Mountable Pressure Sensor
MODEL 17 Ultrastable
PERFORMANCE SPECIFICATIONS
Supply Current: 1.5mA
Ambient Temperature: 25°C (Unless otherwise specified)
PARAMETERS
MIN
TYP
MAX
UNITS
NOTES
__________________________________________________________________________________________________________________________________________________
75
100
150
mV
1
Full Scale Output Span,
(without gain set resistor)
__________________________________________________________________________________________________________________________________________________
Zero Pressure Output
2
±mV
3
__________________________________________________________________________________________________________________________________________________
Pressure Non-linearity
0.05
0.1
±% Span
2
__________________________________________________________________________________________________________________________________________________
Pressure Hysteresis
0.01
0.1
±% Span
__________________________________________________________________________________________________________________________________________________
Input Resistance
2500
3500
4500
Ω
__________________________________________________________________________________________________________________________________________________
Temperature Error - Span
0.3
0.5
±% Span
3, 4
__________________________________________________________________________________________________________________________________________________
Temperature Error - Zero
0.1
0.5
±% Span
3, 4
__________________________________________________________________________________________________________________________________________________
Temperature Coefficient - Resistance
0.145
%/ºC
4
__________________________________________________________________________________________________________________________________________________
Thermal Hysteresis - Zero
0.05
±% Span
4
__________________________________________________________________________________________________________________________________________________
Short Term Stability of Offset
0.05
±% Span
11
__________________________________________________________________________________________________________________________________________________
Short Term Stability of Span
0.05
±% Span
11
__________________________________________________________________________________________________________________________________________________
Long Term Stability of Offset
0.1
±% Span
12
__________________________________________________________________________________________________________________________________________________
Long Term Stability of Span
0.1
±% Span
12
__________________________________________________________________________________________________________________________________________________
Supply Current
0.5
1.5
2.0
mA
5
__________________________________________________________________________________________________________________________________________________
Response Time (10% to 90%)
1.0
msec
6
__________________________________________________________________________________________________________________________________________________
Output Noise
1.0
µV p-p
7
__________________________________________________________________________________________________________________________________________________
Output Load Resistance
5
MΩ
8
__________________________________________________________________________________________________________________________________________________
Insulation Resistance (50 VDC)
50
MΩ
13
__________________________________________________________________________________________________________________________________________________
Pressure Overload
3X
Rated
9
__________________________________________________________________________________________________________________________________________________
Operating Temperature
–40°C to +125°C
__________________________________________________________________________________________________________________________________________________
Storage Temperature
–50°C to +150°C
__________________________________________________________________________________________________________________________________________________
Media
Non-corrosive Gases Compatible with Wetted Materials
10
__________________________________________________________________________________________________________________________________________________
Weight
3 grams
Notes
1. Output span of unamplified sensor.
2. Best Fit Straight Line.
3. For Model 17, compensation resistors are an integral part of the sensor
package; no additional external resistors are required. Pins 11 and 12
must be kept open. Model 17 is interchangeable only when used with a gain stage.
4. Temperature range: -20°C to +85°C in reference to 25°C.
5. Guarantees input/output ratiometricity for span.
6. For a zero-to-full scale pressure step change.
7.
8.
9.
10.
11.
12.
13.
10 Hz to 1 kHz.
Prevents increase of TC-Span due to output loading.
3X or 500 psi maximum, whichever is less. 20 psi for 2 psi and 5 psi versions.
Wetted materials are glass, ceramic, silicon, RTV, nickel, and gold.
Normalized offset bridge voltage: 7 days.
1 year.
Between case and sensing element.
CONNECTIONS
ORDERING INFORMATION
APPLICATION SCHEMATIC
T O - 8 - W i d e Te m p e r a t u r e R a n g e
1-40
Pressure
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