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Absolute Pressure Chips
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The pressure sensor is designed for pressure sensor systems with highest demands on resolution and accuracy. It is a small size piezo-resistive pressure sensor. The Die size is 1x1mm2. Pressure sensor is the absolute pressure sensor. When the input voltage is 5VDC the sensor produces mV DC output voltage which is direct proportion of the input pressure.
Features
- Solid, MEMS technique, low cost, high reliability, low drift, small size;
- Wide Temperature range (-40 to +125℃ )
- Standard pressure range: 0－100KPa；0－300KPa；0－700KPa；0－1700KPa;
- Gel protection against humidity and water.
Application
- For high resolution absolute sensor systems
- Engine control
- Barometers, Altimeters, Variometers, Sphygmomanometer
- Automotive Tire Pressure Monitoring
- Pneumatic Gages
- Hand-held Meters
- Home Appliances
All parameters are measured at 5.0V supply at room temperature, unless otherwise specified.
|
|
|
Min |
Typ. |
Max |
Unit |
|
Excitation Voltage |
|
|
5.0 |
|
V |
|
Excitation Current |
|
|
1 |
|
mA |
|
Span-1 (FS Rang) |
100KPa |
50 |
70 |
90 |
mV |
|
150 |
70 |
100 |
150 |
mV |
|
|
300KPa |
70 |
100 |
150 |
mV |
|
|
700KPa |
70 |
100 |
150 |
mV |
|
|
1.7MPa |
100 |
150 |
200 |
mV |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Offset-2 |
|
-50 |
|
50 |
mV |
|
TC Span-3 |
|
-24 |
-19 |
-15.5 |
%FS/100℃ |
|
TC Offset-3 |
|
-7 |
|
+7 |
%FS/100℃ |
|
TCR-3 |
|
+18 |
+22 |
+33 |
% /100℃ |
|
Linearity-4 |
|
-0.45 |
-0.15 |
+0.45 |
%FS |
|
Bridge impedance |
|
4 |
5 |
6 |
KΩ |
|
Proof Pressure |
|
2X |
|
|
Fixed FS |
|
Burst Pressure |
|
4X |
|
|
Fixed FS |
|
Operating Temperature |
|
-40 |
|
+125 |
℃ |
|
Storage Temperature |
|
-55 |
|
+150 |
℃ |
Notes:
1,Measured at 5V constant voltage excitation.
2,The offset is ±50mV for 100KPa，150KPa
3,Measured from 0 to 60 C
4,Defined as best straight line.
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