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MPXV2050 bảng dữ liệu(PDF) 3 Page - Freescale Semiconductor, Inc

tên linh kiện MPXV2050
Giải thích chi tiết về linh kiện  50 kPa On-Chip Temperature Compensated and Calibrated Silicon Pressure Sensors
PDF  7 Pages
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nhà sản xuất  FREESCALE [Freescale Semiconductor, Inc]
Trang chủ  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPXV2050 bảng dữ liệu(HTML) 3 Page - Freescale Semiconductor, Inc

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MPXV2050
Sensors
Freescale Semiconductor
3
Pressure
Figure 1 shows a block diagram of the internal circuitry integrated on a pressure sensor chip.
Figure 1. Temperature Compensated Pressure Sensor Schematic
Voltage Output vs. Applied Differential Pressure
The differential voltage output of the sensor is directly
proportional to the differential pressure applied.
The output voltage of the differential or gauge sensor
increases with increasing pressure applied to the pressure
side relative to the vacuum side. Similarly, output voltage
increases as increasing vacuum is applied to the vacuum
side relative to the pressure side.
On-Chip Temperature Compensation and Calibration
Figure 2 shows the minimum, maximum and typical output
characteristics of the MPXV2050 series at 25
°C. The output
is directly proportional to the differential pressure and is
essentially a straight line.
A silicone gel isolates the die surface and wire bonds from
the environment, while allowing the pressure signal to be
transmitted to the silicon diaphragm.
Figure 2. Output vs. Pressure Differential
VS
3
X-ducer
Sensing
Element
Thin Film
Temperature
Compensation
and
Calibration
2
4
Vout+
Vout-
1
GND
kPa
PSI
40
35
30
25
15
10
5
0
-5
0
12.5
1.8
25
3.6
37.5
5.4
50
7.25
20
MAX
TYP
MIN
OFFSET
(TYP)
SPAN
RANGE
(TYP)
VS = 10 Vdc
TA = 25°C



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