MPXA4115A 반도체 회로 부품 판매점
Integrated Silicon Pressure Sensor
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 Freescale Semiconductor |
MOTOROLA
Freescale Semiconductor, Inc.
www.DSatEaSMhIeCetO4UN.cDoUmCTOR TECHNICAL DATA
Order this document
by MPX4115A/D
Integrated Silicon Pressure Sensor
for Manifold Absolute Pressure,
Altimeter or Barometer Applications
On-Chip Signal Conditioned,
Temperature Compensated
and Calibrated
Motorola’s MPX4115A/MPXA4115A series 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
Motorola pressure sensor a logical and economical choice for the system designer.
The MPX4115A/MPXA4115A 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
• 1.5% Maximum Error over 0° to 85°C
• Ideally suited for Microprocessor or Microcontroller–
Based Systems
• Temperature Compensated from –40° to +125°C
• Durable Epoxy Unibody Element or Thermoplastic
(PPS) Surface Mount Package
Application Examples
• Aviation Altimeters
• Industrial Controls
• Engine Control
• Weather Stations and Weather Reporting Devices
SMALL OUTLINE PACKAGE
VS MPXA4115A6U
CASE 482
MPX4115A
MPXA4115A
SERIES
INTEGRATED
PRESSURE SENSOR
15 to 115 kPa (2.2 to 16.7 psi)
0.2 to 4.8 Volts Output
UNIBODY PACKAGE
MPX4115A
CASE 867
MPX4115AP
CASE 867B
SENSING
ELEMENT
THIN FILM
TEMPERATURE
COMPENSATION
AND
GAIN STAGE #1
GAIN STAGE #2
AND
GROUND
REFERENCE
SHIFT CIRCUITRY
Vout
PINS 1, 5, 6, 7 AND 8 ARE NO CONNECTS
FOR SMALL OUTLINE PACKAGE DEVICE
GND
PINS 4, 5 AND 6 ARE NO CONNECTS FOR
UNIBODY DEVICE
MPXA4115AC6U
CASE 482A
PIN NUMBER
1 N/C 5 N/C
MPX4115AS
CASE 867E
PIN NUMBER
1 Vout 4 N/C
Figure 1. Fully Integrated Pressure Sensor
Schematic
2 VS 6 N/C
3 Gnd 7 N/C
2 Gnd 5 N/C
3 VS 6 N/C
REV 4
4 Vout 8 N/C
NOTE: Pins 1, 5, 6, 7, and 8 are
internal device connections. Do not
connect to external circuitry or
ground. Pin 1 is noted by the notch in
the lead.
NOTE: 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.
©MMoottoororolal,aInSc.e2n0s01or Device Data
For More Information On This Product,
Go to: www.freescale.com
1
MPX4115A MPXA41A1R5ACHSFIEVrREeIDEeSBsYcFaRlEeESSCeAmLEicSoEMnIdCOuNcDtUoCrT, OIRn,cIN.C. 2005
MAXIMUM RATINGS(NOTE)
Parametrics
Maximum Pressure (P1 u P2)
Pmax
400
Storage Temperature
Tstg –40° to +125°
Operating Temperature
TA –40° to +125°
NOTE: Exposure beyond the specified limits may cause permanent damage or degradation to the device.
Units
kPa
°C
°C
OPERATING CHARACTERISTICS (VS = 5.1 Vdc, TA = 25°C unless otherwise noted, P1 u P2. Decoupling circuit shown in Figure 3
required to meet Electrical Specifications.)
Characteristic
Symbol
Min
Typ
Max Unit
Pressure Range
Supply Voltage(1)
Supply Current
Minimum Pressure Offset(2)
@ VS = 5.1 Volts
Full Scale Output(3)
@ VS = 5.1 Volts
Full Scale Span(4)
@ VS = 5.1 Volts
Accuracy(5)
Sensitivity
(0 to 85°C)
(0 to 85°C)
(0 to 85°C)
(0 to 85°C)
POP
VS
Io
Voff
VFSO
VFSS
—
V/P
15
4.85
—
0.135
4.725
4.521
—
—
—
5.1
7.0
0.204
4.794
4.590
—
45.9
115
5.35
10
0.273
4.863
4.659
±1.5
—
kPa
Vdc
mAdc
Vdc
Vdc
Vdc
%VFSS
mV/kPa
Response Time(6)
Output Source Current at Full Scale Output
Warm–Up Time(7)
tR — 1.0 — ms
Io+ — 0.1 — mAdc
— — 20 — ms
Offset Stability(8)
— — ±ā0.5 — %VFSS
NOTES:
1. Device is ratiometric within this specified excitation range.
2. Offset (Voff) is defined as the output voltage at the minimum rated pressure.
3. Full Scale Output (VFSO) is defined as the output voltage at the maximum or full rated pressure.
4. 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.
5. Accuracy is the deviation in actual output from nominal output over the entire pressure range and temperature range as a percent of span
at 25°C due to all sources of error including 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.
6. 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.
7. Warm–up Time is defined as the time required for the product to meet the specified output voltage after the pressure has been stabilized.
8. Offset Stability is the product’s output deviation when subjected to 1000 cycles of Pulsed Pressure, Temperature Cycling with Bias Test.
MECHANICAL CHARACTERISTICS
Characteristics
Weight, Basic Element (Case 867)
Weight, Small Outline Package (Case 482)
Typ Unit
4.0 grams
1.5 grams
2
For More Information On This Product,
Motorola Sensor Device Data
Go to: www.freescale.com
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