3–150
Motorola Sensor Device Data
For More Information On This Product,
Go to: www.freescale.com
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Motorola has developed a low cost, high volume, miniature pressure sensor package
which is ideal as a sub–module component or a disposable unit. The unique concept of
the Chip Pak allows great flexibility in system design while allowing an economic solution
for the designer. This new chip carrier package uses Motorola’s unique sensor die with its
piezoresistive technology, along with the added feature of on–chip, thin–film temperature
compensation and calibration.
NOTE:
Motorola is also offering the Chip Pak package in application–specific
configurations, which will have an “SPX” prefix, followed by a four–digit number, unique
to the specific customer.
Features:
Low Cost
Integrated Temperature Compensation and Calibration
Ratiometric to Supply Voltage
Polysulfone Case Material (Medical, Class V Approved)
Provided in Easy–to–Use Tape and Reel
Application Examples
Respiratory Diagnostics
Air Movement Control
Controllers
Pressure Switching
NOTE:
The die and wire bonds are exposed on the front side of the Chip Pak
(pressure is applied to the backside of the device). Front side die and wire protection
must be provided in the customer’s housing. Use caution when handling the devices
during all processes.
Motorola’s MPXC2011DT1/MPXC2012DT1 Pressure
Sensor
has been designed for medical usage by combining
the performance of Motorola’s shear stress pressure sensor
design and the use of biomedically approved materials.
Materials with a proven history in medical situations have
been chosen to provide a sensor that can be used with
confidence in applications, such as invasive blood pressure
monitoring. It can be sterilized using ethylene oxide. The
portions of the pressure sensor that are required to be
biomedically approved are the rigid housing and the gel
coating.
The rigid housing is molded from a white, medical grade
polysulfone that has passed extensive biological testing
including: tissue culture test, rabbit implant, hemolysis,
intracutaneous test in rabbits, and system toxicity, USP.
The
MPXC2011DT1
contains a silicone dielectric gel
which covers the silicon piezoresistive sensing element. The
gel is a nontoxic, nonallergenic elastomer system which
meets all USP XX Biological Testing Class V requirements.
The properties of the gel allow it to transmit pressure uni-
formly to the diaphragm surface, while isolating the internal
electrical connections from the corrosive effects of fluids,
such as saline solution. The gel provides electrical isolation
sufficient to withstand defibrillation testing, as specified in the
proposed Association for the Advancement of Medical
Instrumentation (AAMI) Standard for blood pressure trans-
ducers. A biomedically approved opaque filler in the gel pre-
vents bright operating room lights from affecting the
performance of the sensor.
The
MPXC2012DT1
is a no–gel option.
Preferred
devices are Motorola recommended choices for future use and best overall value.
SEMICONDUCTOR TECHNICAL DATA
PRESSURE SENSORS
0 to 75 mmHg (0 to 10 kPa)
PIN NUMBER
MPXC2011DT1/MPXC2012DT1
CASE 423A
1
2
Gnd
S+
3
4
VS
S–
CHIP PAK PACKAGE
Motorola Preferred Device
REV 2
F
Freescale Semiconductor, Inc.
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