參數(shù)資料
型號(hào): MPXA4100A
廠商: Motorola, Inc.
英文描述: Pressure Sensor(壓力傳感器)
中文描述: 壓力傳感器(壓力傳感器)
文件頁數(shù): 3/12頁
文件大?。?/td> 203K
代理商: MPXA4100A
3
Motorola Sensor Device Data
Figure 2. Cross Sectional Diagram
(not to scale)
ééééééééééé
ééééééééééé
ééééééééééé
ABSOLUTE ELEMENT
SEALED VACUUMREFERENCE
FLUORO SILICONE
GEL DIE COAT
WIRE BOND
LEAD
FRAME
STAINLESS
STEEL CAP
EPOXY
PLASTIC
CASE
DIE
BOND
DIE
P1
P2
Figure 2 illustrates an absolute sensing chip in the basic chip carrier (Case 867).
O
5.0
4.5
4.0
3.5
3.0
Pressure (ref: to sealed vacuum in kPa
TYP
MAX
MIN
5
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
1
1
2.5
2.0
1.5
1.0
0.5
1
TEMP = 0 to 85
°
C
20 kPa TO 105 kPa
MPX4100A
TRANSFER FUNCTION:
Vout = Vs*(.01059*P–.152)
±
Error
VS = 5.1 Vdc
Figure 3. Recommended power supply decoupling
and output filtering.
Please refer to Application Note AN1646.
Figure 4. Output versus Absolute Pressure
1.0 F
IPS
0.33 F
A/D
3
5 V
0.01 F
750
2
1
Figure 4 shows the sensor output signal relative to pres-
sure input. Typical, minimum, and maximum output curves
are shown for operation over a temperature range of 0
°
to
85
°
C. (The output will saturate outside of the specified pres-
sure range.)
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
MPX4100A/MPXA4100A series pressure sensor operat-
ing 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.
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