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MPX2050

50 kPa On-Chip Temperature Compensated and Calibrated Silicon Pressure Sensors

Freescale Semiconductor 

Pressure

Figure 1 shows a block diagram of the internal circuitry on the stand-alone pressure sensor chip.

VS

3

Sensing

Element

Thin Film

Temperature

Compensation

and Calibration

Circuitry

2 +VOUT

4 -VOUT

1

GND

Figure 1. Temperature Compensated Pressure Sensor Schematic

Voltage Output versus Applied Differential Pressure

The differential voltage output of the sensor is directly

proportional to the differential pressure applied.

The output voltage of the differential or gauge sensor

increases with increasing pressure applied to the pressure

side (P1) relative to the vacuum side (P2). Similarly, output

voltage increases as increasing vacuum is applied to the

vacuum side (P2) relative to the pressure side (P1).

MPX2050

2

Sensors

Freescale Semiconductor

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