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Fuel Vapor Pressure Sensor
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The pressure sensor module is composed of a pressure sensor module and signal processing circuit in a SOP-6 package, mounted on a heterogeneous PCB substrate made of FR4 material with a diameter of 25mm.The sensor has the features of the small form factor, high reliability and high accuracy. This temperature compensated and calibrated sensor provides an accurate, high level analog output signal that is proportional to applied pressure. The pressure range is -5~+3 kPa gauge pressure. The supply voltage is 5±0.5V，the typical supply current is 2.5mA.
Features
- Maximum error of 1% in the range of 0~85°C
- Temperature compensation range -40~125°C
- Small size
- High reliability, low drift
Technical Index
Table 1. Operating Characteristics (VS = 5.0 Vdc, TA = 25°C, P1 > P2 unless otherwise noted.)
|
Characteristic |
Symbol |
Min |
Typ |
Max |
Unit |
|
Pressure Range |
Pop |
-5 |
--- |
3 |
kPa |
|
Supply Voltage |
VS |
4.5 |
5.0 |
5.5 |
Vdc |
|
Supply Current |
IO |
--- |
2.5 |
3 |
mAdc |
|
Minimum Pressure Offset @ VS = 5.0 Volt(0 to 85℃) |
VOff |
0.60 |
0.500 |
0.400 |
Vdc |
|
Full Scale Output @ VS = 5.0 Volts(3) (0 to 85℃) |
VFSO |
4.460 |
4.500 |
4.400 |
Vdc |
|
Full Scale Span @ VS = 5.0 Volts(4) (0 to 85℃) |
VFSS |
4.20 |
4.000 |
3.800 |
Vdc |
|
Accuracy (0 to 85℃) |
--- |
--- |
--- |
± |
% VFSS |
|
Sensitivity |
V/P |
--- |
500.0 |
--- |
mV/kPa |
|
Response Time |
tR |
--- |
2.0 |
--- |
mS |
|
Pre-processing time |
--- |
--- |
10 |
--- |
mS |
|
Offset stability |
--- |
--- |
±0.5 |
--- |
% VFSS |
|
Power-on time |
tpon |
--- |
--- |
10 |
mS |
|
Output cap |
Vo-max |
|
95.6%Vs |
|
Vdc |
|
Lower output limit |
Vo-min |
|
0%Vs |
` |
Vdc |
Table2. Maximum rating
|
Name of Parameters |
Symbol |
Max. |
Unit |
|
Maximum pressure |
PMAX |
20 |
kPa |
|
Maximum voltage |
Vmax |
0 to +10 |
Vdc |
|
Maximum current |
Imax |
14 |
mAdc |
|
ESD Protection (MIL 883, Method 3015.7.) |
|
±4 |
kV |
|
Storage temperature |
TSTG |
-50 to 135 |
℃ |
|
Operating temperature |
TA |
-40 to 125 |
℃ |
|
Maximum Output Current |
IO+ |
0.5 |
mAdc |
|
Maximum input current |
IO- |
-0.5 |
mAdc |
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