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2SMPP-03

MEMS Gauge Pressure Sensor

Featuring Small Size and Low

Power Consumption

• Superior electrical characteristics

at -50 kPa to 50 kPa pressure range.

Offset voltage of -2.5±4.0 mV

Span voltage of 42.0±5.5 mV

(At rated pressure 50 kPa, 100 µADC Current supply)

• Small package 6.1 × 4.7 × 8.2 mm (L × W × H).

• Good temperature dependency

at 0 to 85°C, at rated pressure 0 to 50 kPa

Temp. influence of span of ±3.0%FS

Temp. influence of offset of ±5.0%FS

(100 µADC Current supply)

• Rated power consumption of 0.2 mW

Ordering Information

Standard Models with Surface mount package

Terminal Arrangement

RoHS Compliant

Refer to the Safety Precautions on page 7.

Model Classification Structure Packaging MOQ (Minimum Order Quantity)

2SMPP-03 Bottom Port Type SOP Plastic sleeve 112 pcs/ 1 sleeve

1 4

5 6

−

Output

voltage

Constant

current

source

R2R1

R3R4

Note: If necessary, add a variable resistor below the GND pin (3).

The NC pin (2) must be secured to the circuit board.

➃ Vout (−)

➄ N-sub

➁ Non Connected

➂ GND

➅ Icc

➀ Vout (+)

Connection Diagram

2SMPP-03 MEMS Gauge Pressure Sensor

2SMPP-03

Application Examples

• Home appliance

• Air movement control

• Level indicators

• Leak detection

• Pressure controller

Specifications

■ Ratings

Note: 1. The above values are initial values measured at ambient temperature condition of 23°C.

Note: 2. Please avoid caustic gases.

Item 2SMPP-03

Type of pressure Gauge pressure

Sensing method Piezoresistance

Pressure medium Air

Driving method Constant current drive

Drive current 100 µADC

Pressure range -50 to 50 kPa

Withstand pressure -80 to 120 kPa

Absolute maximum current 200 µADC max.

Ambient operating temperature -10 to 100°C (with no icing and condensation)

Ambient operating humidity 10 to 95%RH (with no icing and condensation)

Ambient storage temperature -40 to 120°C (with no icing and condensation)

Ambient storage humidity 10 to 95%RH (with no icing and condensation)

Weight 0.17 g

2SMPP-03 MEMS Gauge Pressure Sensor

2SMPP-03

Characteristics

■ Operating characteristics

Positive pressure (at rated pressure 0 to 50 kPa)

Negative pressure (at rated pressure 0 to -50 kPa)

Note: 1. The above values are initial values.

Note: 2. Ambient temperature condition: 23°C without Temperature property.

Note: 3. The above values are operated at 100 µADC

Note: 4. The above values are operated at 0 to 50 kPa, and 0 to -50 kPa.

Note: 5. Offset voltage is defined as the output voltage at 0 kPa rated pressure.

Note: 6. Positive span voltage is defined as the algebraic difference between the output voltage at 50 kPa rated pressure and the output voltage at 0 kPa rated pressure.

Note: 7. Negative span voltage is defined as the algebraic difference between the output voltage at -50 kPa rated pressure and the output voltage at 0 kPa rated pres-

sure.

Note: 8. Hysteresis is defined as follows,

In case of positive pressure:

{The output voltage difference at 0 kPa before and after a pressure cycle (0 to 50 to 0 kPa)} / (span voltage) × 100 [%FS].

In case of negative pressure:

{The output voltage difference at 0 kPa before and after a pressure cycle (0 to -50 to 0 kPa)} / (span voltage) × 100 [%FS].

Note: 9. Temperature influence of span voltage is defined as follows,

{Span voltage at 0°C. - span voltage at 25°C. } / span voltage at 25°C. × 100 [%FS]

{Span voltage at 50°C. - span voltage at 25°C. } / span voltage at 25°C. × 100 [%FS]

{Span voltage at 85°C. - span voltage at 25°C. } / span voltage at 25°C. × 100 [%FS]

Note: 10.Temperature influence of offset voltage is defined as follows,

{Offset voltage at 0°C. - offset voltage at 25°C. } / span voltage at 25°C. × 100 [%FS]

{Offset voltage at 50°C. - offset voltage at 25°C. } / span voltage at 25°C. × 100 [%FS]

{Offset voltage at 85°C. - offset voltage at 25°C. } / span voltage at 25°C. × 100 [%FS]

Environment characteristics

Item Min. Typ. Max. Unit

Supply current - 100 - µADC

Bridge resistance 18.0 20.0 22.0 kohm

Operating pressure range 0 - 50 kPa

Offset voltage -6.5 -2.5 1.5 mV

Span voltage 36.5 42.0 47.5 mV

Non-linearity 0.3 0.8 1.3 %FS

Pressure hysteresis -0.2 0.0 0.2 %FS

Temperature influence of span voltage at 0°C -1.0 1.0 3.0 %FS

Temperature influence of span voltage at 50°C -2.1 -0.1 1.9 %FS

Temperature influence of span voltage at 85°C -2.0 1.0 4.0 %FS

Temperature influence of offset voltage at 0°C -4.0 -1.0 2.0 %FS

Temperature influence of offset voltage at 50°C -2.0 1.0 4.0 %FS

Temperature influence of offset voltage at 85°C -3.0 2.0 7.0 %FS

Item Min. Typ. Max. Unit

Supply current - 100 - µADC

Bridge resistance 18.0 20.0 22.0 kohm

Operating pressure range -50 - 0 kPa

Offset voltage -6.5 -2.5 1.5 mV

Span voltage -48.5 -43.0 -37.5 mV

Non-linearity -0.3 0.2 0.7 %FS

Pressure hysteresis -0.2 0.0 0.2 %FS

Temperature influence of span voltage at 0°C -1.2 0.8 2.8 %FS

Temperature influence of span voltage at 50°C -1.9 0.1 2.1 %FS

Temperature influence of span voltage at 85°C -1.8 1.2 4.2 %FS

Temperature influence of offset voltage at 0°C -4.0 -1.0 2.0 %FS

Temperature influence of offset voltage at 50°C -2.0 1.0 4.0 %FS

Temperature influence of offset voltage at 85°C -3.0 2.0 7.0 %FS

Item 2SMPP-03

Vibration Resistance Destruction 10 to 500 Hz 10 G

Malfunction 10 to 500 Hz 10 G

Shock Resistance Destruction 15 G

Malfunction 15 G

Life Expectancy 100,000 Operations min. (0 to 75 kPa)

ESD 1,000 V (Human body model)

Package Material PPS (Polyphenylenesulfide)

2SMPP-03 MEMS Gauge Pressure Sensor

2SMPP-03

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

Note: 1. Ambient temperature condition: 23°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.

−

VDD

Vout

Pressure

Sensor

Amplifier circuit unit

Constant current circuit unit

–10

–20

–40

–30

–50 –30 –10 10 30 50–50 –20 0 20 40–40

Output voltage (mV)

Rated Pressure (kPa)

2SMPP-03 MEMS Gauge Pressure Sensor

2SMPP-03

Temperature influence of Span voltage (at 0 to 50 kPa) Temperature influence of Offset voltage (at 0 kPa)

Note: 1. Measured points are 0°C, 25°C, 50°C and 85°C at 0 to 50 kPa.

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 75 kPa)

Note: 1. Tested temperature condition: 25°C

Note: 2. Number of pressure cycle time: 1 × 105

Note: 3. Rated cycle pressure: 0 to 75 kPa

Note: 4. These output voltage characteristics are measured with tester without a mounting board.

Temp. Influence of Positive Span Voltage (%FS)

Temperature (˚C)

1.5

0.5

–0.5

–1

10 30 50 70 90–10 20 40 60 800

Temp. Influence of Offset Voltage (%FS)

Temperature (˚C)

2.5

1.5

0.5

–0.5

–1

–1.5

–2 10 30 50 70 90–10 20 40 60 800

Offset voltage range (%FS)

Pressure cycle

0.5

–0.5

–1 50,000 100,0000 75,00025,000

Span voltage range (%FS)

Pressure cycle

0.5

–0.5

–1 50,000 100,0000 75,00025,000

2SMPP-03 MEMS Gauge Pressure Sensor

2SMPP-03

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.

3#1

4.75

4.10

9.85 3.20

0.62 dia.

3.80 dia.

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)

2.60 dia.

1.80 dia.

4-R0.50

0.40

0.25±0.05

PP03

678

6Icc

5N-sub

6Vout (-)

1Vout (+)

2NC

3GND

5.45

4.05

3.30

1.65

(0.90)

0.90

0.45

1.125

1.65 (1.075) Lot No.

0.10

0.75

2.30

0.60

1.27

11.05

4.00 dia.

8.75

Pin Diagram

(Top Surface of Sensor)

Atmospheric pressure hole

Markings Recommended Pad Dimensions

2SMPP-03 MEMS Gauge Pressure Sensor

2SMPP-03

Safety Precautions

Handling the Sensor

(1)

Only air can be used as pressure media on the products

directly. It is prohibited to use pressure media including cor-

rosive gases (e.g. organic solvents gases, sulfur dioxide and

hydrogen sulfide gases), fluid and any other foreign materi-

als.

(2)

The products are not water proof. Please keep dry in use.

(3)

Don't use the products under dew-condensing conditions.

Frozen fluid on sensor chips may also cause fluctuation of

sensor output and any other troubles.

(4)

Don't put foreign materials (e.g. a wire and a pin) into a con-

necting tube. It may cause breakage of pressure sensor

chips or fluctuation of sensor output caused by clogging the

tube.

(5)

Use the products within rated pressure. Usage at pressure

out of the range may cause breakage.

(6)

Don't use under high-frequency vibration including ultra-

sonic wave.

(7)

The products may be broken by static electricity. Charged

materials (e.g. a workbench and a floor) and workers must

provide measures against static electricity, including ground

connection.

(8)

Overpowering terminals may deform them and detract their

solder abilities. Don't drop and handle the products roughly.

(9)

Don't use the products under humid or dusty condition.

(10)

Terminals connection of pressure sensors must be handled

as directed by a connection diagram.

Environmental Condition for Transportation and Storage

(1)

It is prohibited to keep the products with corrosive gases

(e.g. organic solvents gases, sulfur dioxide and hydrogen

sulfide gases).

(2)

The products are not water proof. Please keep dry during

storage.

(3)

An anti-static treatment has been applied to the sleeves.

Please note the following points.

1. Getting wet may remove an anti-static treatment and

eliminate its effect.

2. The sleeve may feel sticky under hot and humid condition

due to the nature of the anti-static treatment.

3. Anti-static has aging degradation. It is prohibited to keep

the sleeves for more than six months. The sleeves are

also non-reusable.

(4)

Keep in an appropriate temperature and humidity condition

specified as

Temperature : 5 to 30°C , Humidity : 40 to 60%.

(5)

As the lead is plated with silver, there is a possibility of being

tarnished depending on storage condition.

Not guarantee the tarnishing after shipping. Be careful the

method of storage.

(6)

Don't keep the products under humid or dusty condition.

Mounting Method

• Use lands on the printed-circuit boards to which the sensor

can be securely fixed.

• Fix pin No.2 on the printed-circuit boards, not fixed causes

fluctuation of sensor output signals.

Soldering Method

• Due to its small size, the thermal capacity of the pressure sen-

sor is low. Therefore, take steps to minimize the effects of

external heat.

• Dip soldering bath: Max. 260°C, within 10 sec.

• Soldering iron: Max. 260°C, within 10 sec.

• Do not heat the case of sensor package, heat only terminal.

• Use a non-corrosive resin type of flux. Since the pressure sen-

sor chip is exposed to the atmosphere, do not allow flux to

enter inside.

Cleaning

• Since the pressure sensor chip is exposed to atmosphere, do

not allow cleaning fluid to enter inside.

• Avoid ultrasonic cleaning since this may cause breaks or dis-

connections in the wiring.

• Do not wash the print circuit board after the pressure sensor is

mounted using detergent containing silicone. Otherwise, the

detergent may remain on the surface of the pressure sensor.

Coating

• Do not coat the pressure sensor when it is mounted to the print

circuit board.

Precautions for Correct Use

MEMO

Terms and Conditions Agreement

Read and understand this catalog.

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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for a period of twelve months from the date of sale by Omron (or such other period expressed in writing

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to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the

non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price

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assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in

writing, are not to be construed as an amendment or addition to the above warranty.

See http://www.omron.com/global/ or contact your Omron representative for published information.

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combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable

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respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE

QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,

AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE

OVERALL EQUIPMENT OR SYSTEM.

Programmable Products.

Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof.

Performance Data.

Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining

suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it

to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.

Change in Specifications.

Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice

to change part numbers when published ratings or features are changed, or when significant construction changes are made.

However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be

assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to

confirm actual specifications of purchased Product.

Errors and Omissions.

Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is

assumed for clerical, typographical or proofreading errors or omissions.

Cat. No. A227-E1-02

0318(1214)(O)

In the interest of product improvement, specifications are subject to change without notice.

Please check each region's Terms & Conditions by region website.

OMRON Corporation

Electronic and Mechanical Components Company

Regional Contact

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