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參數(shù)資料
| 型號(hào)： | MPX4250D |
| 廠商： | Motorola, Inc. |
| 元件分類(lèi)： | 壓力傳感器 |
| 英文描述： | OPERATING OVERVIEW INTEGRATED PRESSURE SENSOR 0 to 250 kPa (0 to 36.3 psi) 0.2 to 4.91 Volts Output |
| 中文描述： | 經(jīng)營(yíng)概況集成壓力傳感器0?250 kPa（0至36.3 PSI）的0.2至4.91伏特輸出 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 148K |
| 代理商： | MPX4250D |
3
Motorola Sensor Device Data
Figure 2. Cross–Sectional Diagram
(Not to Scale)
μ
PROCESSOR
A/D
51 k
50 pF
MPX4250D
OUPUT
(PIN 1)
Figure 3. Typical Decoupling Filter for Sensor to
Microprocessor Interface
ééééééééééé
ééééééééééé
ééééééééééé
FRAME
FLUORO SILICONE
DIE COAT
WIRE BOND
LEAD
DIE
STAINLESS STEEL
METAL COVER
RTV DIE
BOND
P1
P2
EPOXY CASE
Figure 2 illustrates the Differential/Gauge Pressure Sens-
ing Chip in the basic chip carrier (Case 867). A fluorosilicone
gel isolates the die surface and wire bonds from the environ-
ment, while allowing the pressure signal to be transmitted to
the sensor diaphragm.
The MPX4250D series pressure sensor operating charac-
teristics, 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.
Figure 3 shows a typical decoupling circuit for interfacing
the integrated sensor to the A/D input of a microprocessor.
Proper decoupling of the power supply is recommended.
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 using the decoupling circuit below. (The output will sat-
urate outside of the specified pressure range.)
0
O
5.0
4.5
4.0
3.5
3.0
PRESSURE in kPa
MAX
MIN
0
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
1
1
1
2
2
2.5
2.0
1.5
1.0
0.5
Figure 4. Output versus Differential Pressure
2
2
9
TYP
TRANSFER FUNCTION:
Vout = VS* (0.00369*P + 0.04)
±
Error
VS = 5.1 Vdc
TEMP = 0 to 85
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPX4250DP | 功能描述:板上安裝壓力/力傳感器 PRESS SEN INTEG 250KPA RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類(lèi)型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類(lèi)型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類(lèi)型:Dual Radial Barbed, Same sides |
| MPX4250DP | 制造商:Freescale Semiconductor 功能描述:Pressure Sensors IC |
| MPX4250GP | 功能描述:板上安裝壓力/力傳感器 PRESS SEN INTEG 250KPA RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類(lèi)型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類(lèi)型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類(lèi)型:Dual Radial Barbed, Same sides |
| MPX4250GP | 制造商:Freescale Semiconductor 功能描述:Pressure Sensors IC |
| MPX4250GS | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:OPERATING OVERVIEW INTEGRATED PRESSURE SENSOR 0 to 250 kPa (0 to 36.3 psi) 0.2 to 4.91 Volts Output |
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