MPVZ7025DP 查看數據表（PDF） - Freescale Semiconductor

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MPVZ7025DP

Integrated Silicon Pressure Sensor On-Chip Signal Conditioned, Temperature Compensated and Calibrated

Freescale Semiconductor 

Pressure

On-chip Temperature Compensation and Calibration

The MPXV7025 series pressure sensor operating

characteristics, and internal reliability and qualification tests

are based on use of dry air as the pressure media. Media,

other than dry air, may have adverse effects on sensor

performance and long-term reliability. Contact the factory for

information regarding media compatibility in your application.

Figure 2 shows the sensor output signal relative to

pressure input. Typical, minimum, and maximum output

curves are shown for operation over a temperature range of

0° to 85°C using the decoupling circuit shown in Figure 3. The

output will saturate outside of the specified pressure range.

Figure 3 shows the recommended decoupling circuit for

interfacing the output of the integrated sensor to the A/D input

of a microprocessor or microcontroller. Proper decoupling of

the power supply is recommended.

5.0

4.5 Transfer Function:

Vout = VS*(0.018*P+0.5) ± ERROR

4.0 VS = 5.0 Vdc

3.5 TEMP = 0 to 85°C

3.0

2.5

MAX

2.0

MIN

1.5

1.0

0.5

0 -25

0

Differential Pressure (kPa)

TYPICAL

25

Figure 2. Output versus Pressure Differential

+5 V

1.0 µF

Vout

Vs

IPS

0.01 µF

GND

OUTPUT

470 pF

Figure 3. Recommended Power Supply Decoupling

and Output Filtering

(For additional output filtering, please refer to

Application Note AN1646.))

MPXV7025

4

Sensors

Freescale Semiconductor

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