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MPXAZ4100AC6U

P1-P3P4-P6P7-P8
MPXAZ4100A
Rev 1, 05/2005
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2005. All rights reserved.
Integrated Silicon Pressure Sensor
for Manifold Absolute Pressure
Applications On-Chip Signal
Conditioned, Temperature
Compensated and Calibrated
The Freescale MPXAZ4100A 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 Freescale MAP sensor a logical and economical choice for
automotive system designers.
The MPXAZ4100A 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
• Resistant to high humidity and common automotive media
• 1.8% Maximum Error Over 0° to 85°C
• Specifically Designed for Intake Manifold Absolute
Pressure Sensing in Engine Control Systems
• Ideally Suited for Microprocessor or Microcontroller Based Systems
• Temperature Compensated Over –40°C to +125°C
• Durable Thermoplastic (PPS) Surface Mount Package
Typical Applications
• Manifold Sensing for Automotive Systems
• Also Ideal for Non-Automotive Applications
ORDERING INFORMATION
Device
Type
Options
Case
No.
MPX Series
Order No.
Packing
Options
Device
Marking
SMALL OUTLINE PACKAGE (MPXAZ4100A SERIES)
Basic
Elements
Absolute,
Element Only
482
MPXAZ4100A6U
Rails
MPXAZ4100A
Absolute,
Element Only
482
MPXAZ4100A6T1
Tape & Reel
MPXAZ4100A
Ported
Elements
Absolute, Axial
Port
482A
MPXAZ4100AC6U
Rails
MPXAZ4100A
Absolute, Axial
Port
482A
MPXAZ4100AC6T1
Tape & Reel
MPXAZ4100A
MPXAZ4100A
SERIES
INTEGRATED
PRESSURE SENSOR
20 TO 105 kPA (2.9 TO 15.2 psi)
0.3 TO 4.9 V OUTPUT
MPXA4100A6U/6T1
CASE 482-01
MPXA4100AC6U/AC6T1
CASE 482A-01
PIN NUMBER
(1)
1. 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.
1 N/C 5 N/C
2 V
S
6 N/C
3 GND 7 N/C
4 V
OUT
8 N/C
SMALL OUTLINE PACKAGES
Sensors
2 Freescale Semiconductor
MPXAZ4100A
Figure 1. Fully Integrated Pressure Sensor Schematic
Table 1. Maximum Ratings
(1)
1. Exposure beyond the specified limits may cause permanent damage or degradation to the device.
Rating Symbol Value Unit
Maximum Pressure (P1 > P2)
P
MAX
400 kPa
Storage Temperature
T
STG
–40 to +125 °C
Operating Temperature
T
A
–40 to +125 °C
V
S
V
out
GND
Sensing
Element
Pins 1, 5, 6, 7, and 8 are NO CONNECTS
for small outline package devices.
Thin Film
Temperature
Compensation
and
Gain Stage #1
Gain Stage #2
and
Ground
Reference
Shift Circuitry
Sensors
Freescale Semiconductor 3
MPXAZ4100A
Table 2. Operating Characteristics (V
S
= 5.1 Vdc, T
A
= 25°C unless otherwise noted, P1 > P2. Decoupling circuit shown in
Figure 3 required to meet electrical specifications.)
Characteristic Symbol Min Typ Max Unit
Pressure Range
(1)
1. 1.0 kPa (kiloPascal) equals 0.145 psi.
P
OP
20 — 105 kPa
Supply Voltage
(2)
2. Device is ratiometric within this specified excitation range.
V
S
4.85 5.1 5.35 Vdc
Supply Current
I
o
— 7.0 10 mAdc
Minimum Pressure Offset (0 to 85°C)
@ V
S
= 5.1 Volts
(3)
3. Offset (V
off
) is defined as the output voltage at the minimum rated pressure.
V
off
0.225 0.306 0.388 Vdc
Full Scale Output (0 to 85°C)
@ V
S
= 5.1 Volts
(4)
4. Full Scale Output (V
FSO
) is defined as the output voltage at the maximum or full rated pressure.
V
FSO
4.870 4.951 5.032 Vdc
Full Scale Span (0 to 85°C)
@ V
S
= 5.1 Volts
(5)
5. Full Scale Span (V
FSS
) is defined as the algebraic difference between the output voltage at full rated pressure and the output voltage at the
minimum rated pressure.
V
FSS
—4.59—Vdc
Accuracy
(6)
(0 to 85°C)
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 V
FSS
, at 25°C.
———±1.8 %V
FSS
Sensitivity
V/P — 54 — mV/kPa
Response Time
(7)
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.
t
R
—1.0—ms
Output Source Current at Full Scale Output
I
o+
—0.1—mAdc
Warm-Up Time
(8)
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.
——20—ms
Offset Stability
(9)
9. Offset Stability is the product's output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test.
——±0.5 — %V
FSS
P1-P3P4-P6P7-P8

MPXAZ4100AC6U

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Manufacturer:
NXP / Freescale
Description:
Board Mount Pressure Sensors 15.2psi 105kPA Pressure Sensor
Lifecycle:
New from this manufacturer.
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