MPXM2102AS datasheet(389/670 Pages) MOTOROLA

389 / 670 page

AN1315

3–243

Motorola Sensor Device Data

www.motorola.com/semiconductors

Table 1.

Input Pressure

Jumpers

Sensor Type

Input Pressure

PSI

MPX2010

0 –1.5

MPX2050

0 – 7.5

OUT

MPX2100

0 –15.0

OUT

MPX2200

0–30

OUT

The signal conditioned sensor’s zero pressure offset

voltage with no pressure applied to the sensor is empirically

computed each time power is applied to the system and stored

in RAM. The sensitivity of the MPX2000 series pressure

sensors is quite repeatable from unit to unit. There is a facility

for a small adjustment of the slope constant built into the

program. It is accomplished via jumpers J4 thru J7, and will be

explained in the OPERATION section.

Figure 2 shows the printed circuit silkscreen and Figures 3A

and 3B show the schematic for the system.

RP1

LCD1

R11

TP1

R15

+12

GND

R14

XDCR1

DEVB158

2.9

″

Figure 2. Printed Circuit Silkscreen

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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