2SMPP-02
2SMPP-02
1 4
5 6
3
+
−
Output
voltage
Constant
current
source
R2 R1
R3 R4
Note: If necessary, add a variable resistor below the GND pin (3).
The NC pin (2) must be secured to the circuit board.
Connection Diagram
MEMS Gauge Pressure Sensor
MEMS Gauge Pressure Sensor
Featuring Small Size and Low
Power Consumption
• Ultra-miniature 6.1 × 4.7 × 8.2 mm (L × W × H).
• Superior electrical characteristics
to capacitive type pressure sensors.
• 0 to 37 kPa pressure range.
• Offset voltage of -2.5±4 mV
• Span voltage of 31.0±3.1 mV
• Low Power consumption of 0.2 mW
• Low Temperature Influence
• Span of ±1.0%FS
• Offset of ±3.0%FS
RoHS Compliant
Refer to the Safety Precautions on page 6.
Ordering Information
Standard Models with Surface mount package
Model Classification Structure Packaging
2SMPP-02 Bottom Port Type SOP Plastic sleeve
Terminal Arrangement
F Icc
A Vout (+)
B Non Connected
C GND
E N-sub
D Vout (−)
1
2SMPP-02 MEMS Gauge Pressure Sensor
2SMPP-02
Application Examples
• Home appliance
• Air movement control
• Level indicators
• Leak detection
• Pressure controller
Specifications
■ Ratings
Item 2SMPP-02
Type of pressure
Sensing method
Pressure medium Air
Driving method Constant current drive
Drive current 100 μA DC
Pressure range 0 to 37 kPa
Withstand pressure 53 kPa
Absolute maximum current 130 μA DC
Ambient operating temperature 0 to 50°C (with no condensation or icing)
Ambient operating humidity 15% to 95% (with no condensation or icing)
Ambient storage temperature −30 to 85°C (with no condensation or icing)
Ambient storage humidity 10% to 95% (with no condensation or icing)
Weight 0.17 g
Note: The above specifications are the results of measurements taken at an ambient temperature of 23°C.
*1. Do not use the Sensor under negative pressure.
*2. Do not use any corrosive gases. Use only air.
*1
*2
Gauge pressure
Piezoresistance
Characteristics
■ Electrical Characteristics
Item 2SMPP-02
Bridge resistance 20 ±2 kΩ
Offset voltage −2.5 ±4.0 mV
Span voltage 31.0 ±3.1 mV (with an applied pressure of 37 kPa)
Non-linearity 0.8% FS max. (0 to 37 kPa)
Pressure hysteresis 0.5% FS (0 to 37 kPa)
Temperature influence of span voltage
Temperature influence of offset voltage
Measurement conditions: Ambient temperature = 23°C, constant current and drive current = 100 μA
0.5 ±1.0% FS (0°C)
0.3 ±1.0% FS (50°C)
0 ±3.0% FS (0 to 25°C)
0 ±3.0% FS (25 to 50°C)
2
2SMPP-02 MEMS Gauge Pressure Sensor
2SMPP-02
+
−
+
−
+
−
+
−
VDD
Vou t
Pressure
Sensor
Amplifier circuit unit
Constant current circuit unit
Example of Application Circuit for MEMS Pressure Sensor
(1)
The pressure sensor is designed to convert a voltage by means of constant current drive.
(2)
Please amplifier the output voltage of the pressure sensor by using the amplifying circuit if necessary.
Engineering Data (for Reference)
■ Output Characteristics
Rated Pressure vs. Output Voltage
40
35
30
25
20
15
10
Output Voltage [mV]
5
0
−5
01020304050
Note: 1. Ambient temperature condition: 25°C
Note: 2. Drive current: 100 μA
Note: 3. These output voltage characteristics are measured with tester without a mounting board.
Note: 4. The output voltage characteristics may be influenced by the mounting board. Be sure to check operation including durability in actual equipment before use.
Rated Pressure [kPa]
3
2SMPP-02 MEMS Gauge Pressure Sensor
2SMPP-02
Temperature [°C]
−1.0
0.0
−0.5
−100 102030405060
0.5
1.0
1.5
2.0
Temp. Influence of Span Voltage [%FS]
Pressure cycle
−1
0
−0.5
0 100000 200000 300000
0.5
1
Offset voltage range [%FS]
Temperature Influence of Span Voltage Temperature Influence of Offset Voltage
2.0
1.5
1.0
0.5
0.0
−0.5
−1.0
−1.5
Temp. Influence of Offset Voltage [%FS]
−2.0
−100 102030405060
Temperature [°C]
Note: 1. Measured points are 0°C and 25°C, 50°C
Note: 2. Drive current: 100 μA
Note: 3. These output voltage characteristics are measured with tester without a mounting board.
Note: 4. The output voltage characteristics may be influenced by the mounting board. Be sure to check operation including durability in actual equipment before use.
Pressure Cycle Range ( 0 to 40 kPa)
1
0.5
0
−0.5
Span voltage range [%FS]
−1
Note: 1. Tested temperature condition: 25°C
Note: 2. Number of pressure cycle time: 3 × 10
Note: 3. Rated cycle pressure: 0 to 40 kPa
Note: 4. These output voltage characteristics are measured with tester without a mounting board.
5
0 100000 200000 300000
Pressure cycle
4
2SMPP-02 MEMS Gauge Pressure Sensor
2SMPP-02
A
3#1
46
5
PP0 2
6 7 8
4.75
4.10
9.85
3.20
φ0.62
φ3.80
6.15
5.50
1.27 x 2 = 2.54
1.27
1.00
0.80
2.00
1.50
2.80
4.75
1.00
(1.10)
φ2.60
φ1.80
4-R0.50
0.40
0.25
±0.05
6
Icc
5
N-sub
6
Vout (-)
1
Vout (+)
2
NC
3
GND
5.45
4.05
3.30
1.65
(0.90)
0.90
0.45
1.125
1.125
1.65
(1.075)
Lot No.
0.10
0.75
Pin Diagram
(Top Surface of Sensor)
Atmospheric pressure hole
Markings
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Note: Unless otherwise specified, the tolerance for all of the above drawings is ±0.3 mm.
5
2SMPP-02 MEMS Gauge Pressure Sensor
2SMPP-02
Safety Precautions
Precautions for Correct Use
Handling the Sensor
(1)
Air is the only pressure medium that may be used directly
with the Sensor. Do not use corrosive gases (organic sol-
vent gases, sulfurous gases, hydrogen sulfide gas, etc.) or
pressure mediums containing water particles. These pres-
sure mediums may cause malfunctions.
(2)
The Sensor is not drip-proof. Do not use the Sensor in any
environment where it may be subjected to water or other liq-
uids.
(3)
Do not use the Sensor in any environment where condensa-
tion may occur. If moisture freezes on the Sensor chip, vari-
ations may occur in the Sensor output or the Sensor may
malfunction.
(4)
Do not insert wires, pins, or any other foreign objects into
the connecting tube. Doing so could destroy the pressure
sensor chip inside the Sensor, or the foreign object may
become stuck inside the connecting tube and affect the
Sensor output.
(5)
Always stay within the rated pressure range. Using a pres-
sure outside of this range may damage the Sensor.
(6)
Do not use the Sensor in any environment subject to vibra-
tion from ultrasonic or high-frequency waves.
(7)
The Sensor output may be affected if the pressure sensor
chip is exposed to light. Do not expose the Sensor chip to
light.
(8)
Static electricity may destroy the Sensor. Any charged
materials or surfaces, such as workbenches, floors, or tech-
nicians, must be properly grounded to prevent static electric-
ity.
(9)
Applying excessive force to the pins may deform them and
damage the soldering. Do not drop the Sensor and always
handle it with care. Do not use the Sensor in any environ-
ment that is subject to excessive steam or dust.
(10)
Refer to the connection diagrams when connecting the pins
on the Sensor.
(11)
Do not connect to the pins on the Sensor in the wrong direc-
tion. Doing so may cause variations in Sensor output or mal-
functions.
(12)
External noise may effect the Sensor output. Take any nec-
essary measures to eliminate external noise.
Transportation and Storage
(1)
Do not store the Sensor in any environment that contains
corrosive gases (organic solvent gases, sulfurous gases,
hydrogen sulfide gas, etc.).
(2)
The Sensor is not drip-proof. Do not store the Sensor in any
environment where it may be subjected to water or other liquids.
(3) The cardboard packaging will deteriorate over time depending
on the humidity, number of boxes stacked on top, and other
factors. Follow the first in, first out rule for storage. Do not drop
or throw the Sensor. Handle it with care.
(4) If the inner packaging is dropped, the stopper may be
dislodged from the tube causing the Sensor to fall out and
become damaged.
(5) The surface of the tube containing the Sensor is coated in a
film to prevent static electricity. Observe the following items
regarding this protective coating:
1. Avoid exposure to water, which may wash away the protective coating.
2. The protective anti-static electricity coating may be sticky
to the touch in high-temperature, high-humidity environments.
3. The protective anti-static electricity coating degrades
over time. Do not store the Sensor for more than 6
months. Also, do not reuse the packaging.
(6)
Store the Sensor in an environment with suitable tempera-
ture and humidity levels.
• Temperature: 5 to 30°C, Humidity: 40% to 60%
(7)
Leads are silver-plated and may change color over time
depending on the storage conditions. Discoloration after the
Sensor is delivered is not covered under warranty. Be sure
to store the Sensor under the proper conditions.
(8)
Do not store the Sensor in any environment with excessive
steam or dust.
Mounting Method
• Mount the Sensor on the land pattern of a printed circuit board.
• Solder pin 2 securely to the printed circuit board in order to
maintain the mechanical strength of the mounted Sensor.
Soldering Method
• Due to its small size, the heat capacity of the Sensor is limited.
Therefore, measures must be taken to minimize the effects of
heating from external sources.
• Solder bath submersion: 260°C max. for 10 seconds max.
• Soldering iron: 260°C max. for 10 seconds max.
• Apply heat to the Sensor pins only, and not to the Sensor
package.
• Do not use any flux that may release corrosive gases. Do not
allow any flux to enter the inside of the case.
6
Cleaning
• Do not allow any cleaning liquid to enter the inside of the case.
• Do not use ultrasonic cleaning. Doing so may break connec-
tions.
• Do not use any cleaning liquids that contain silicone. Such
cleaning liquids may remain on the surface of the Sensor.
Coating
• Do not apply any coating to the Sensor.
Terms and Conditions Agreement
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Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have
any questions or comments.
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© OMRON Corporation 2018 All Rights Reserved.
In the interest of product improvement, specifications are subject to change without notice.
Cat. No. A195-E1-03
0318(1214)(O)
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