MPX53

Sensors

2

Freescale Semiconductor

Pressure

Operating Characteristics

Characteristic

Symbol

Min

Typ

Max

Units

1. 1.0 kPa (kiloPascal) equals 0.145 psi.

0

—

50

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

Supply Current

—

6.0

—

mAdc

minimum rated pressure.

45

60

90

mV

0

20

35

mV

Sensitivity

ΔV/ΔΡ

—

1.2

—

mV/kPa

Linearity

—

–0.6

—

0.4

Pressure Hysteresis (0 to 50 kPa)

—

—

±0.1

—

Temperature Hysteresis

—

—

±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

355

—

505

Ω

Output Impedance

750

—

1875

Ω

5. 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

—

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

—