MPXM12GS datasheet(3/20 Pages) FREESCALE

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MPX12

Sensors

Freescale Semiconductor

Pressure

Operating Characteristics

Table 1. Operating Characteristics (VS = 3.0 Vdc, TA = 25°C unless otherwise noted, P1 > P2)

Characteristic

Symbol

Min

Typ

Max

Unit

Differential 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.

—

3.0

6.0

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 related pressure.

VFSS

Offset(4)

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

Voff

020

Sensitivity

ΔV/ΔP—

5.5

—

mV/kPa

Linearity

—

–0.5

—

5.0

%VFSS

Pressure Hysteresis(6) (0 to 10 kPa)

—

±0.1

—

%VFSS

Temperature Hysteresis (–40

°C to +125°C)

—

±0.5

—

%VFSS

Temperature Coefficient of Full Scale Span

TCVFSS

–0.22

—

–0.16

%VFSS/°C

Temperature Coefficient of Offset

TCVoff

—

±15

—

μV/°C

Temperature Coefficient of Resistance

TCR

0.21

—

0.27

%Zin/°C

Input Impedance

Zin

400

—

550

Output Impedance

Zout

750

—

1250

Response Time(5) (10% to 90%)

5. 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.

—1.0

—

Warm-Up Time(6)

6. Warm-up Time is defined as the time required for the product to meet the specified output voltage after the pressure is stabilized.

——

—

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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