MPX5050(2007) 查看數據表（PDF） - Freescale Semiconductor
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MPX5050
(Rev.:2007)
(Rev.:2007)
Freescale Semiconductor
MPX5050 Datasheet PDF : 14 Pages
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Figure 3 illustrates the Differential/Gauge Sensing Chip in
Table 3. Mechanical Characteristics
Characteristics
Weight, Basic Element (Case 867)
Weight, Basic Element (Case 1369)
Weight, Basic Element (Case 482A)
the basic chip carrier (Case 867). A fluorosilicone gel isolates
the die surface and wire bonds from the environment, while
allowing the pressure signal to be transmitted to the sensor
diaphragm.
The MPX5050/MPXV5050G series pressure sensor
operating characteristics, and internal reliability and
qualification tests are based on use of dry air as the pressure
media. Media, other than dry air, may have adverse effects on
sensor performance and long-term reliability. Contact the
factory for information regarding media compatibility in your
application.
Typ
1.8
3.376
Unit
grams
grams
grams
Figure 2 shows the sensor output signal relative to
pressure input. Typical, minimum, and maximum output
curves are shown for operation over a temperature range of
0× to 85×C using the decoupling circuit shown in Figure 4.
The output will saturate outside of the specified pressure
range.
Figure 4 shows the recommended decoupling circuit for
interfacing the output of the integrated sensor to the A/D input
of a microprocessor or microcontroller. Proper decoupling of
the power supply is recommended.
5.0
4.5 Transfer Function:
Vout = VS*(0.018*P+0.04) ± ERROR
4.0 VS = 5.0 Vdc
3.5 TEMP = 0 to 85°C
3.0
TYPICAL
2.5
MAX
2.0
MIN
1.5
1.0
0.5
0
0 5 10 15 20 25 30 35 40 45 50 55
Differential Pressure (kPa)
Figure 2. Output versus Pressure Differential
Fluoro Silicone
Gel Die Coat
Die
P1
Wire Bond
Stainless Steel
Metal Cover
Epoxy
Plastic
Case
Lead Frame
Die
Differential/Gauge Element
Bond
P2
Figure 3. Cross-Sectional Diagram
(not to scale)
+5 V
1.0 μF
Vout
Vs
IPS
0.01 μF
GND
OUTPUT
470 pF
Figure 4. Recommended Power Supply Decoupling
and Output Filtering
(For additional output filtering, please refer to
Application Note AN1646.)
MPX5050
4
Sensors
Freescale Semiconductor
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