MPXM2053_06 datasheet(3/9 Pages) FREESCALE

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MPXM2053

Sensors

Freescale Semiconductor

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—

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.

—10

Vdc

Supply Current

—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

41.5

Offset(4)

4. Offset (Voff) is defined as the output voltage at the minimum rated pressure.

Voff

-1.0

—

1.0

Sensitivity

∆V/∆P—

0.8

—

mV/kPa

Linearity(5)

—

-0.6

—

0.4

%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.

• 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 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

-2.0

—

2.0

%VFSS

Temperature Effect on Offset(5)

TCVoff

-1.0

—

1.0

Input Impedance

Zin

1000

—

2500

Ω

Output Impedance

Zout

1400

—

3000

Ω

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.

—1.0

—

Warm-Up

—

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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