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MPX100 Datasheet(PDF) 1 Page - Motorola, Inc

Part No. MPX100
Description  100kPa Uncompensated Silicon Pressure Sensors
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MPX100 Datasheet(HTML) 1 Page - Motorola, Inc

   
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Motorola Sensor Device Data
100 kPa
Uncompensated
Silicon Pressure Sensors
The MPX100 series device is a silicon piezoresistive pressure sensor providing a very
accurate and linear voltage output — directly proportional to the applied pressure. This
standard, low cost, uncompensated sensor permits manufacturers to design and add
their own external temperature compensating and signal conditioning networks.
Compensation techniques are simplified because of the predictability of Motorola’s single
element strain gauge design.
Features
• Low Cost
• Patented, Silicon Shear Stress Strain Gauge Design
• Easy to Use Chip Carrier Package Options
• Ratiometric to Supply Voltage
• 60 mV Span (Typ)
• Absolute, Differential and Gauge Options
•±0.25% Linearity (Max)
Application Examples
• Pump/Motor Controllers
• Robotics
• Level Indicators
• Medical Diagnostics
• Pressure Switching
• Barometers
• Altimeters
Figure 1 illustrates a schematic of the internal circuitry on the stand–alone pressure
sensor chip.
Figure 1. Uncompensated Pressure Sensor Schematic
PIN 3
X–ducer
PIN 2
PIN 4
+ Vout
– Vout
+ VS
PIN 1
VOLTAGE OUTPUT versus APPLIED DIFFERENTIAL PRESSURE
The differential voltage output of the X–ducer is directly proportional to the differential
pressure applied.
The absolute sensor has a built–in reference vacuum. The output voltage will decrease
as vacuum, relative to ambient, is drawn on the pressure (P1) side.
The output voltage of the differential or gauge sensor increases with increasing
pressure applied to the pressure (P1) side relative to the vacuum (P2) side. Similarly,
output voltage increases as increasing vacuum is applied to the vacuum (P2) side
relative to the pressure (P1) side.
X–ducer is a trademark of Motorola, Inc.
Order this document
by MPX100/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
© Motorola, Inc. 1998
BASIC CHIP
CARRIER ELEMENT
CASE 344–15, STYLE 1
DIFFERENTIAL
PORT OPTION
CASE 344C–01, STYLE 1
MPX100
SERIES
0 to 100 kPa (0 – 14.5 psi)
60 mV FULL SCALE SPAN
(TYPICAL)
NOTE: Pin 1 is the notched pin.
PIN NUMBER
1
2
Gnd
+Vout
3
4
VS
–Vout
REV 6


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