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參數(shù)資料
| 型號(hào)： | MPXA4250A |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | INTEGRATED PRESSURE SENSOR 20 TO 250 kPA (2.9 TO 36.3 psi) 0.2 TO 4.9 V OUTPUT |
| 中文描述： | 集成壓力傳感器20至250千帕（2.9至36.3 PSI）的0.2至4.9 V輸出 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 262K |
| 代理商： | MPXA4250A |
MPX4250A
Sensors
4
Freescale Semiconductor
Figure 2. Cross Sectional Diagram (Not to Scale)
Figure 2
illustrates the absolute pressure sensing chip in
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 MPX4250A/MPXA4250A 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.
Figure 3. Recommended Power Supply Decoupling and
Output Filtering
(For additional output filtering, please refer to Application
Note AN1646.
Contact the factory for information regarding media
compatibility in your application.
Figure 3
shows the recommended decoupling circuit for
interfacing the output of the integrated sensor to the A/D input
of a microprocessor or microcontroller.
Figure 4
shows the sensor output signal relative to
pressure input. Typical, minimum, and maximum output
curves are shown for operation over temperature range of 0
°
to 85
°
C using the decoupling circuit shown in
Figure 3
. The
output will saturate outside of the specified pressure range.
Figure 4. Output vs. Absolute Pressure
FloroSilicone
Die Coat
Wire Bond
RTV Die
Bond
Die
P1
P2
Epoxy
Case
Lead Frame
Sealed Vacuum Reference
Stainless Steel
Metal Cover
1.0
μ
F
470 pF
Vs
+
5 V
0.01
μ
F
GND
Vout
IPS
OUTPUT
O
5.0
4.5
4.0
3.5
3.0
MAX
2.5
2.0
1.5
1.0
0.5
0
0
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
MIN
TYP
Pressure (ref: to sealed vacuum) in kPa
Transfer Function:
V
OUT
= V
s
* (0.004 x P-0.04) ± Error
V
S
= 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 |
|---|---|
| MPXA4250A6T1 | 功能描述:PRESSURE SENS 36.3PSI MAX 8-SOP RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 壓力 系列:MPXA4250 標(biāo)準(zhǔn)包裝:100 系列:* |
| MPXA4250A6U | 功能描述:板上安裝壓力/力傳感器 INTEGRATED PRESSURE SENSR RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
| MPXA4250A6U | 制造商:Freescale Semiconductor 功能描述:Pressure Sensors IC |
| MPXA4250AC6T1 | 功能描述:板上安裝壓力/力傳感器 INTEGRATED PRESSURE SENSR RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
| MPXA4250AC6U | 功能描述:板上安裝壓力/力傳感器 INTEGRATED PRESSURE SENSR RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
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