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MPX100GSX Datasheet(PDF) 1 Page - Motorola, Inc |
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MPX100GSX Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 8 page 1 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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