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MPX4105 Datasheet(PDF) 1 Page - Motorola, Inc |
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MPX4105 Datasheet(HTML) 1 Page - Motorola, Inc |
1 / 6 page 1 Motorola Sensor Device Data Integrated Silicon Pressure Sensor Manifold Absolute Pressure Sensor On-Chip Signal Conditioned, Temperature Compensated and Calibrated The Motorola MPX4105 series Manifold Absolute Pressure (MAP) sensor for engine control is designed to sense absolute air pressure within the intake manifold. This measurement can be used to compute the amount of fuel required for each cylinder. The small form factor and high reliability of on–chip integration makes the Motorola MAP sensor a logical and economical choice for automotive system designers. The MPX4105 series piezoresistive transducer is a state–of–the–art, monolithic, signal conditioned silicon pressure sensor. This sensor with its patented transducer, combines advanced micromachining techniques, thin film metallization, and bipolar semiconductor processing to provide an accurate, high level analog output signal that is proportional to applied pressure. Figure 1 shows a block diagram of the internal circuitry integrated on a pressure sensor chip. Features • 1.7% Maximum Error over 0° to 85°C • Specifically Designed for Intake Manifold Absolute Pressure Sensing in Engine Control Systems • Ideally Suited for Microprocessor Interfacing • Patented Silicon Shear Stress Strain Gauge • Temperature Compensated over –40°C to +125°C • Durable Epoxy Unibody Element • Ideal for Non–Automotive Applications • Consult Factory for Top Piston Fit Package Availability Application Examples • Manifold Sensing for Automotive Systems VS 3 X–ducer SENSING ELEMENT 1 Vout 2 GND THIN FILM TEMPERATURE COMPENSATION AND GAIN STAGE #1 GAIN STAGE #2 AND GROUND REFERENCE SHIFT CIRCUITRY PINS 4, 5 AND 6 ARE NO CONNECTS Figure 1. Fully Integrated Pressure Sensor Schematic Senseon and X–ducer are trademarks of Motorola, Inc. Order this document by MPX4105/D MOTOROLA SEMICONDUCTOR TECHNICAL DATA © Motorola, Inc. 1997 MPX4105 SERIES OPERATING OVERVIEW INTEGRATED PRESSURE SENSOR 15 to 105 kPa (2.18 to 15.2 psi) 0.31 to 4.90 Volts Output NOTE: Pin 1 is the notched pin. PIN NUMBER NOTE: Pins 4, 5, and 6 are internal device connections. Do not connect to external circuitry or ground. BASIC CHIP CARRIER ELEMENT CASE 867–08, STYLE 1 1 2 3 Vout Gnd VS 4 5 6 N/C N/C N/C |
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