MPX12

Sensors

Freescale Semiconductor

3

Pressure

Operating Characteristics

Characteristic

Symbol

Min

Typ

Max

Unit

1. 1.0 kPa (kiloPascal) equals 0.145 psi.

0—

10

kPa

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

minimum related pressure.

45

55

70

mV

020

35

mV

Sensitivity

ΔV/ΔP—

5.5

—

mV/kPa

Linearity

—

–0.5

—

5.0

—

—

±0.1

—

Temperature Hysteresis (–40

°C to +125°C)

—

—

±0.5

—

Temperature Coefficient of Full Scale Span

–0.22

—

–0.16

Temperature Coefficient of Offset

—

±15

—

μV/°C

Temperature Coefficient of Resistance

TCR

0.21

—

0.27

Input Impedance

400

—

550

Ω

Output Impedance

750

—

1250

Ω

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

—

ms

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

——

20

—

ms

7. Offset stability is the product’s output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test.

——

±0.5

—