MPXM2102AS datasheet(563/670 Pages) MOTOROLA

563 / 670 page

AN4007

3–417

Motorola Sensor Device Data

www.motorola.com/semiconductors

SENSOR PACKAGING

The packaging of a pressure sensor die is critical to achieve

optimal performances of the final product. The package must

isolate the pressure sensor die from unwanted external stress

which can cause undesired drift of the electrical signal while

being robust enough to support the pressure applied to the

device without cracks, leaks or mechanical failures. It must be

media compatible for the same reasons.

Figure 7. Mounting Suggestion

CUSTOMER

FLAT RING

APPLIED PRESSURE

(OR VACUUM)

PRESSURE PORT

APPLICATION

HOUSING

SCREW

SNAP–FIT

PRINTED CIRCUIT BOARD

SOP PACKAGE

CASE 482

The new small pressure sensor package from Motorola

addresses those requirements and lets designers mount a

pressure sensor directly on a printed circuit board, thus

providing great flexibility for space saving design. Figure 7

shows a typical assembly using a small outline package

(SOP) Case 482–01.

The sensor can be mounted on the printed circuit board by

an automatic pick and place machine as with every other

surface mount component. Sealing is done by using a silicone

flat ring inserted in the application housing. The printed circuit

board must be maintained against the flat ring either by a snap

fit, or by a screws as shown.

The new small outline package (SOP) is fabricated using

poly–phenyl sulfide (PPS), a robust material, which can

withstand high temperatures and is highly resistant to

chemicals.

Consequently, the package is ideal for harsh

environment such as automotive, industrial or medical

systems.

The small outline package is suitable for any of Motorola’s

sensor chips from the basic uncompensated sensor to the

fully integrated sensing solution that include amplifiers and

other circuitry all on one chip.

Motorola’s sensors using this package are available in both

tubes and tape and reel configuration for high productivity on

your assembly line.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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