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MPXV2010G Просмотр технического описания (PDF) - Freescale Semiconductor

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MPXV2010G Datasheet PDF : 14 Pages
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Table 2. Operating Characteristics (VS = 10 VDC, TA = 25°C unless otherwise noted, P1 > P2)
Characteristic
Symbol
Min
Typ
Max
Units
Pressure Range(1)
Supply Voltage(2)
POP
0
10
kPa
VS
10
16
VDC
Supply Current
Full Scale Span(3)
Offset(4)
IO
6.0
VFSS
24
25
VOFF
–1.0
mAdc
26
mV
1.0
mV
Sensitivity
V/∆Ρ
2.5
mV/kPa
Linearity(5)
Pressure Hysteresis(5) (0 to 50 kPa)
Temperature Hysteresis(5) (–40°C to +125°C)
Temperature Effect on Full Scale Span(5)
Temperature Effect on Offset(5)
TCVFSS
TCVOFF
–1.0
–1.0
–1.0
±0.1
±0.5
1.0
%VFSS
%VFSS
%VFSS
1.0
%VFSS
1.0
mV
Input Impedance
ZIN
1000
2550
W
Output Impedance
Response Time(6) (10% to 90%)
ZOUT
1400
3000
W
tR
1.0
ms
Warm-Up Time
2.0
ms
Offset Stability(7)
±0.5
%VFSS
1. 1.0 kPa (kiloPascal) equals 0.145 psi.
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.
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 related pressure.
4. Offset (VOFF) is defined as the output voltage at the minimum rated pressure.
5. Accuracy (error budget) consists of the following:
• Linearity:
Output deviation from a straight line relationship with pressure over the specified pressure range.
• Temperature 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 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.
• Variation from Nominal: The variation from nominal values, for Offset or Full Scale Span, as a percent of VFSS, at 25°C.
6. Response Time is defined as the time form 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.
7. Offset stability is the product’s output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test.
Sensors
Freescale Semiconductor
MPX2010
3

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