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MPX4105 Dataheets PDF



Part Number MPX4105
Manufacturers Motorola
Logo Motorola
Description OPERATING OVERVIEW INTEGRATED PRESSURE SENSOR
Datasheet MPX4105 DatasheetMPX4105 Datasheet (PDF)

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MPX4105/D MPX4105 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 reliab.

  MPX4105   MPX4105


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MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MPX4105/D MPX4105 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 SERIES OPERATING OVERVIEW INTEGRATED PRESSURE SENSOR 15 to 105 kPa (2.18 to 15.2 psi) 0.31 to 4.90 Volts Output BASIC CHIP CARRIER ELEMENT CASE 867–08, STYLE 1 NOTE: Pin 1 is the notched pin. PIN NUMBER 1 2 3 Vout Gnd VS 4 5 6 N/C N/C N/C NOTE: Pins 4, 5, and 6 are internal device connections. Do not connect to external circuitry or ground. X–ducer SENSING ELEMENT THIN FILM TEMPERATURE COMPENSATION AND GAIN STAGE #1 2 GND GAIN STAGE #2 AND GROUND REFERENCE SHIFT CIRCUITRY 1 Vout PINS 4, 5 AND 6 ARE NO CONNECTS Figure 1. Fully Integrated Pressure Sensor Schematic Senseon and X–ducer are trademarks of Motorola, Inc. Motorola Sensor Device Data © Motorola, Inc. 1997 1 MPX4105 SERIES MAXIMUM RATINGS(1) Parametrics Overpressure(2) (P1 > P2) Burst Pressure(2) (P1 > P2) Storage Temperature Operating Temperature Symbol Pmax Pburst Tstg TA Value 400 1000 – 40° to +125° – 40° to +125° Unit kPa kPa °C °C 1. TC = 25°C unless otherwise noted. 2. Exposure beyond the specified limits may cause permanent damage or degradation to the device. OPERATING CHARACTERISTICS (VS = 5.1 Vdc, TA = 25°C unless otherwise noted, P1 Characteristic Pressure Range(1) Supply Voltage(2) Supply Current Minimum Pressure Offset(3) @ VS = 5.1 Volts Full Scale Output(4) @ VS = 5.1 Volts Full Scale Span(5) @ VS = 5.1 Volts Accuracy(6) Sensitivity Response Time(7) Output Source Current at Full Scale Output Warm–up Time(8) Offset Stability(9) (0 to 85°C) (0 to 85°C) (0 to 85°C) (0 to 85°C) Symbol POP VS Io Voff VFSO VFSS — V/P tR Io+ — — Min 15 4.85 — u P2) Typ — 5.1 7.0 0.306 4.896 4.590 — 51 1.0 0.1 20 ± 0.5 ā Max 105 5.35 10 0.428 4.988 — ±1.7 — — — — — Unit kPa Vdc mAdc Vdc Vdc Vdc %VFSS mV/kPa mS mAdc mSec %VFSS 0.184 4.804 — — — — — — — Decoupling circuit shown in Figure 3 required to meet electrical specifications. MECHANICAL CHARACTERISTICS Characteristic Weight, Basic Element (Case 867) Common Mode Line Pressure(10) Symbol — — Min — — Typ 4.0 — Max — 690 Unit Grams kPa NOTES: 1. 1.0kPa (kiloPascal) equals 0.145 psi. 2. Device is ratiometric within this specified excitation range. 3. Offset (Voff) is defined as the output voltage at the minimum rated pressure. 4. Full Scale Output (VFSO) is defined as the output voltage at the maximum or full rated pressure. 5. Full Scale Span (VFSS) is defined as the algebraic difference between the output voltage at full rated pressure and the output voltage at the minimum rated pressure. 6. Accuracy (error budget) consists of the following: • Linearity: Output deviation from a straight line relationship with pressure over the specified pressure range. • Temperature Hysteresis: Output deviation at any temperature within the operating temperature range, after the temperature is cycled to and from the minimum or maximum operating temperature points, with zero differential pressure applied. • Pressure Hysteresis: Output deviation at any pressure within the specified range, when this pressure is cycled to and from minimum or maximum rated pressure at 25°C. • TcSpan: Output deviation over the temperature range of 0° to 85°C, relative to 25°C. • TcOffset: Output deviation with minimum pressure applied, over the temperature range of 0° to 85°C, relative to 25°C. • Variation from Nominal: The variation from nominal values, for Offset or Full Scale Span, as a percent of VFSS at 25°C. 7. Response Time is defined as the time for the incremental change i.


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