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MPX4105A PDF даташит

Спецификация MPX4105A изготовлена ​​​​«Freescale Semiconductor» и имеет функцию, называемую «Integrated Silicon Pressure Sensor».

Детали детали

Номер произв MPX4105A
Описание Integrated Silicon Pressure Sensor
Производители Freescale Semiconductor
логотип Freescale Semiconductor логотип 

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MPX4105A Даташит, Описание, Даташиты
Freescale Semiconductor
Technical Data
Document Number: MPX4105A
Rev 6, 07/2006
Integrated Silicon Pressure Sensor
for Manifold Absolute Pressure
Applications On-Chip Signal
Conditioned, Temperature
Compensated and Calibrated
The Freescale MPX4105A 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.
Freescale’s MAP sensor integrates on-chip, bipolar op amp circuitry and thin
film resistor networks to provide a high output signal and temperature
compensation. The small form factor and high reliability of on-chip integration
make the Freescale MAP sensor a logical and economical choice for the
automotive system designer.
The MPX4105A series piezoresistive transducer is a state-of-the-art,
monolithic, signal conditioned, silicon pressure sensor. This sensor 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
• 1.8% Maximum Error Over 0° to 85°C
• Specifically Designed for Intake Manifold Absolute
Pressure Sensing in Engine Control Systems
• Temperature Compensated Over –40 to +125°C
• Durable Epoxy Unibody Element
Typical Applications
• Manifold Sensing for Automotive Systems
• Ideally Suited for Microprocessor or Microcontroller-Based Systems
• Also Ideal for Non-Automotive Applications
ORDERING INFORMATION
Device Type
Options Case No.
UNIBODY PACKAGE (MPX4105A SERIES)
Basic Element
Absolute,
Element
867
MPX Series
Order No.
MPX4105A
Device Marking
MPX4105A
MPX4105A
SERIES
INTEGRATED
PRESSURE SENSOR
15 TO 105 kPA (2.2 TO 15.2 psi)
0.3 TO 4.9 V OUTPUT
UNIBODY PACKAGE
MPX4105A
CASE 867-08
PIN NUMBERS(1)
1 Vout 4
2 GND 5
3 VS 6
N/C
N/C
N/C
1. Pins 4, 5, and 6 are internal device
connections. Do not connect to external
circuitry or ground. Pin 1 is noted by the
notch in the lead.
© Freescale Semiconductor, Inc., 2006. All rights reserved.









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MPX4105A Даташит, Описание, Даташиты
VS
Sensing
Element
Thin Film
Temperature
Compensation
and
Gain Stage #1
Gain Stage #2
and
Ground
Reference
Shift Circuitry
Vout
GND Pins 4, 5, and 6 are NO CONNECTS for
unibody devices.
Figure 1. Fully Integrated Pressure Sensor Schematic
Table 1. Maximum Ratings(1)
Rating
Maximum Pressure (P1 > P2)
Storage Temperature
Operating Temperature
Symbol
PMAX
TSTG
TA
Value
400
-40 to +125
-40 to +125
1. Exposure beyond the specified limits may cause permanent damage or degradation to the device.
Unit
kPa
°C
°C
MPX4105A
2
Sensors
Freescale Semiconductor









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MPX4105A Даташит, Описание, Даташиты
Table 2. Operating Characteristics (VS = 5.1 Vdc, TA = 25°C unless otherwise noted, P1 > P2.
Decoupling circuit shown in Figure 3 required to meet electrical specifications.)
Pressure Range(1)
Supply Voltage(2)
Characteristic
Supply Current
Minimum Pressure Offset(3)
Full Scale Output(4)
Full Scale Span(5)
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
0.184
4.804
Typ
5.1
7.0
0.306
4.896
4.590
51
1.0
0.1
15
± 0.65
Max
105
5.35
10
0.428
4.988
±1.8
—-
—-
—-
—-
—-
Unit
kPa
Vdc
mAdc
Vdc
Vdc
Vdc
%VFSS
mV/kPa
ms
mAdc
ms
%VFSS
1. 1.0 kPa (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 the
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 rated 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 in the output to go from 10% to 90% of its final value when subjected to a
specified step change in pressure.
8. Warm-up Time is defined as the time required for the product to meet the specified output voltage after the Pressure has been stabilized.
9. Offset Stability is the product's output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test.
Table 3. Mechanical Characteristics
Characteristics
Weight, Basic Element (Case 867)
Typ Unit
4.0 grams
Sensors
Freescale Semiconductor
MPX4105A
3










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