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MPXM2051G 데이터시트(Datasheet) 2 Page - Freescale Semiconductor, Inc

부품명 MPXM2051G
상세내용  50 kPa On-Chip Temperature Compensated and Calibrated Silicon Pressure Sensors
PDF  6 Pages
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제조사  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
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MPXM2051G
Sensors
2
Freescale Semiconductor
VOLTAGE OUTPUT VERSUS 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.
Table 1. Maximum Ratings(1)
1. Exposure beyond the specified limits may cause permanent damage or degradation to the device.
Rating
Symbol
Value
Unit
Maximum Pressure
Pmax
200
kPa
Storage Temperature
Tstg
-40 to +125
°C
Operating Temperature
TA
-40 to +125
°C
Table 2. Operating Characteristics (VS = 10 Vdc, TA = 25°C.)
Characteristic
Symbol
Min
Typ
Max
Unit
Pressure Range(1)
1. 1.0 kPa (kiloPascal) equals 0.145 psi.
POP
0—
50
kPa
Supply Voltage(2)
2. Device is ratiometric within this specified excitation range. Operating the device above the specified excitation range may induce additional
error due to device self-heating.
VS
—10
16
Vdc
Supply Current
Io
—6.0
mAdc
Full Scale Span(3)
3. Full Scale Span (VFSS) is defined as the algebraic difference between the output voltage at full rated pressure and the output voltage at the
minimum rated pressure.
VFSS
38.5
40
41.5
mV
Offset(4)
4. Offset (Voff) is defined as the output voltage at the minimum rated pressure.
Voff
-1.0
1.0
mV
Sensitivity
∆V/∆P—
0.8
mV/kPa
Linearity(5)
-0.3
0.3
%VFSS
Pressure Hysteresis(5) (0 to 50 kPa)
5. Accuracy (error budget) consists of the following:
• Linearity:
Output deviation from a straight line relationship with pressure, using end point method, over the specified
pressure range.
Τemperature Hysteresis: Output deviation at any temperature within the operating temperature range, after the temperature is cycled to
and from the minimum or maximum operating temperature points, with zero differential pressure applied.
• Pressure Hysteresis:
Output deviation at any pressure within the specified range, when this pressure is cycled to and from the
minimum or maximum rated pressure, at 25
°C.
• TcSpan:
Output deviation at full rated pressure over the temperature range of 0 to 85
°C, relative to 25°C.
• TcOffset:
Output deviation with minimum rated pressure applied, over the temperature range of 0 to 85
°C, relative
to 25
°C.
——
±0.1
%VFSS
Temperature Hysteresis(5) (-40
°C to +125°C)
——
±0.5
%VFSS
Temperature Effect on Full Scale Span(5)
TCVFSS
-1.0
1.0
%VFSS
Temperature Effect on Offset(5)
TCVoff
-1.0
1.0
mV
Input Impedance
Zin
1000
2500
Output Impedance
Zout
1400
3000
Response Time(6) (10% to 90%)
6. Response Time is defined as the time for the incremental change in the output to go from 10% to 90% of its final value when subjected to
a specified step change in pressure.
tR
—1.0
ms
Warm-Up
20
ms
Offset Stability(7)
7. Offset stability is the product's output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test.
——
±0.5
%VFSS




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