MPX12 Просмотр технического описания (PDF) - Freescale Semiconductor

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MPX12

10 kPa Uncompensated Silicon Pressure Sensors

Freescale Semiconductor 

Maximum Ratings

Table 2. Maximum Ratings(1)

Rating

Symbol

Value

Maximum Pressure (P1 > P2)

Burst Pressure (P1 > P2)

Storage Temperature

Operating Temperature

PMAX

PBURST

TSTG

TA

75

100

–40 to +125

–40 to +125

1. Exposure beyond the specified limits may cause permanent damage or degradation to the device.

Figure 1 shows a block diagram of the internal circuitry

integrated on a pressure sensor chip.

Pressure

Unit

kPa

kPa

°C

°C

3 +VS

Sensing

Element

1

GND

2

+VOUT

4

–VOUT

Figure 1. Uncompensated Pressure Sensor Schematic

Voltage Output versus Applied Differential Pressure

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).

Sensors

Freescale Semiconductor

MPX12

3

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