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SILICON MICROSTRUCTURES

SM5420 Datasheet Preview

SM5420 Datasheet

SO-8 Packaged Pressure Sensor

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SM5420
Low-Cost,
SO-8 Packaged Pressure Sensor
For High-Volume Applications
Ultra-Small, Low Cost OEM Pressure Package
DESCRIPTION
The SM5420 is a small outline SO-8
packaged pressure sensor. The sensor uses
SMI’s SM5108 micromachined,
piezoresistive pressure sensing chip that
has been optimized to provide the highest
possible accuracy for a package of this size.
This performance is achieved through
careful resistor placement and mechanical
configuration along with advanced MEMS
processing.
This sensor is intended for high volume
applications where cost is a critical factor,
such as consumer tire pressure gauges or
automotive tire pressure monitoring. The
SM5420 is available as an absolute
pressure sensor in full-scale ranges of 15
PSI, 30 PSI, 60 PSI, and 100 PSI. It is
designed to be surface-mounted on ceramic
or PC board substrates by high-volume
OEM manufacturers.
The SM5420 is available in a ported
configuration to allow positive positioning of
a pressure source over the inlet or in a non-
ported configuration to be used for sensing
general environmental pressures or with an
o-ring seal. The port position has been
chosen to minimize the chance of pressure
pulses directly impacting the face of the
sensor die for added long-term reliability in
hostile environments. The part comes with
gel over the die as standard; the part can be
ordered without gel in high volumes where
the maximum stability is required, such as in
barometric, weather station sensing
applications. Please contact SMI for more
information.
The SM5420 is shipped either in IC tubes or
in tape-and-reel.
FEATURES
Available in 15 PSI, 30 PSI, 60 PSI, and
100 PSI ranges
Wide Temperature range (-40 to
+125°C)
Suitable for Automated Assembly
Extremely Low Cost
Small foot-print (0.16” × 0.20”) package
Constant Current or Constant Voltage
Drive
High Millivolt Output
APPLICATIONS
Automotive Tire Pressure Monitoring
Engine Control
Barometric Sensing
Altitude Correction Detection
Pneumatic Gauges
Hand-held Meters
Home Appliances
Minimum order quantities apply to this
product.
Rev 00 7_07
© 2004-2007
Silicon Microstructures, Inc. 1701 McCarthy Blvd. Milpitas, CA 95035 USA
Tel: 408-577-0100 Fax: 408-577-0123 Sales@Si-Micro.Com WWW.Si-Micro.Com




SILICON MICROSTRUCTURES

SM5420 Datasheet Preview

SM5420 Datasheet

SO-8 Packaged Pressure Sensor

No Preview Available !

SM5420
Low-Cost,
SO-8 Packaged Pressure Sensor
CHARACTERISTICS FOR SM5420 - SPECIFICATIONS
All parameters are measured at 5.000V supply at room temperature, unless otherwise specified.
Min.
Typ.
Max.
Units
Notes
Excitation Voltage
0
5.0
10
V
1
Excitation Current
0
1.5
2.5
mA
1
Span (FS Range), PSI (kPa)
15 (103)
95
127
160
mV
30 (207)
65
100
135
mV
60 (414)
65
100
135
mV
100 (689)
65
100
135
mV
Zero Offset
-35
35
mV
TC Span
-24
-19
-15.5
%FS/100°C
2, 3
TC Offset
-7
-1
+7
%FS/100°C
2, 3
TC Resistance
+24
+27.5
+33
%/100°C
2, 3
Linearity
-0.20
-0.07
+0.20
%FS
4
Bridge Impedance
4
5
6
k
Input Capacitance
<2
pF
2
Proof Pressure
3X
Rated FS
2
Burst Pressure
5X
Rated FS
2
Operating Temperature
-40
+125
°C
2
Storage Temperature
-40
+150
°C
2
Notes:
1. Bridge may be driven with positive or negative excitation; positive output for positive pressure applied to circuit side
of die when bridge is driven with positive voltage.
2. Tested on sample basis.
3. Measured from 0 to 70°C
4. Defined as best straight line fit.
5. All parts are gelled.
PIN OUT
1 NC
8 +IN
2 Out+
7 NC
3 NC
6 Out-
8
4 -IN
5 NC
ORDERING INFORMATION:
Pressure
Model Number
Type Shipping
2
6
H configuration
SM5420 - XXX - A - P - T
Pressure
Range
Pressure Range = 015, 030, 060, or 100
for 15, 30, 60, or 100 PSI respectively
Pressure Type = A (absolute only)
Cap Type = H (hole) or P (port)
Shipping = T (tape) or S (IC stick)
Cap
Type
4
SM5420
Pin-out
P configuration
Rev 00 7_07
© 2004-2007
Silicon Microstructures, Inc. 1701 McCarthy Blvd. Milpitas, CA 95035 USA
Tel: 408-577-0100 Fax: 408-577-0123 Sales@Si-Micro.Com WWW.Si-Micro.Com


Part Number SM5420
Description SO-8 Packaged Pressure Sensor
Maker SILICON MICROSTRUCTURES
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SM5420 Datasheet PDF






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