2SMPP-02 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 2 0 P- P M Connection Diagram F Icc 2S A Vout (+) 5 6 B Non Connected E N-sub + C GND D Vout (−) R2 R1 Output voltage Constant current 1 4 − source R R 3 4 3 Note: If necessary, add a variable resistor below the GND pin (3). The NC pin (2) must be secured to the circuit board. 1

2SMPP-02 MEMS Gauge Pressure Sensor Application Examples •Home appliance •Air movement control •Level indicators •Leak detection •Pressure controller Specifications ■ Ratings Item 2SMPP-02 Type of pressure *1 Gauge pressure Sensing method*2 Piezoresistance 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. Characteristics ■ Electrical Characteristics Item 2SMPP-02 Bridge resistance 20 ±2 kΩ 02 Offset voltage −2.5 ±4.0 mV P- Span voltage 31.0 ±3.1 mV (with an applied pressure of 37 kPa) P M Non-linearity 0.8% FS max. (0 to 37 kPa) S 2 Pressure hysteresis 0.5% FS (0 to 37 kPa) 0.5 ±1.0% FS (0°C) Temperature influence of span voltage 0.3 ±1.0% FS (50°C) 0 ±3.0% FS (0 to 25°C) Temperature influence of offset voltage 0 ±3.0% FS (25 to 50°C) Measurement conditions: Ambient temperature = 23°C, constant current and drive current = 100 μA 2

2SMPP-02 MEMS Gauge Pressure Sensor Example of Application Circuit for MEMS Pressure Sensor VDD Constant current circuit unit Amplifier circuit unit Pressure + + − − Sensor − + Vout − + (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 2 V] 0 m25 P- ge [20 MP olta 2S V15 ut p ut10 O 5 0 −5 0 10 20 30 40 50 Rated Pressure [kPa] 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. 3

2SMPP-02 MEMS Gauge Pressure Sensor Temperature Influence of Span Voltage Temperature Influence of Offset Voltage 2.0 2.0 S] S] F F 1.5 % 1.5 % ge [ ge [ 1.0 a a olt 1.0 olt V V 0.5 n et a s Sp 0.5 Off 0.0 of of ence 0.0 ence −0.5 u u nfl nfl −1.0 p. I −0.5 p. I m m −1.5 e e T T −1.0 −2.0 −10 0 10 20 30 40 50 60 −10 0 10 20 30 40 50 60 Temperature [°C] 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 1 S] 0.5 S] 0.5 F F % % e [ e [ g g n n a a e r 0 e r 0 g g a a olt olt et v n v Offs −0.5 Spa −0.5 2 0 P- P M −1 −1 S 0 100000 200000 300000 0 100000 200000 300000 2 Pressure cycle Pressure cycle Note: 1. Tested temperature condition: 25°C Note: 2. Number of pressure cycle time: 3 × 105 Note: 3. Rated cycle pressure: 0 to 40 kPa Note: 4. These output voltage characteristics are measured with tester without a mounting board. 4

2SMPP-02 MEMS Gauge Pressure Sensor Dimensions Note: All units are in millimeters unless otherwise indicated. 4.75 4.10 0.25±0.05 3 #1 φ3.80 φ0.62 6.15 5.50 9.85 3.20 A 4-R0.50 4 6 1.27 0.40 1.27 x 2 = 2.54 1.00 2.00 2.80 1.50 1.00 4.75 (1.10) 0.80 φ1.80 Pin Diagram φ2.60 (Top Surface of Sensor) Atmospheric pressure hole 1 Vout (+) 6 Icc 2 NC 5 N-sub 3 GND 6 Vout (-) 2 0 P- P M S 2 Markings 5.45 0.75 0.10 P P 0 2 0.90 1.125 4.05 1.125 0.45 5 6 7 8 (0.90) 1.65 1.65 (1.075) Lot No. 3.30 Note: Unless otherwise specified, the tolerance for all of the above drawings is ±0.3 mm. 5

2SMPP-02 MEMS Gauge Pressure Sensor Safety Precautions Precautions for Correct Use Handling the Sensor Transportation and Storage (1) Air is the only pressure medium that may be used directly (1) Do not store the Sensor in any environment that contains with the Sensor. Do not use corrosive gases (organic sol- corrosive gases (organic solvent gases, sulfurous gases, vent gases, sulfurous gases, hydrogen sulfide gas, etc.) or hydrogen sulfide gas, etc.). pressure mediums containing water particles. These pres- (2) The Sensor is not drip-proof. Do not store the Sensor in any sure mediums may cause malfunctions. environment where it may be subjected to water or other liquids. (3) The cardboard packaging will deteriorate over time depending (2) The Sensor is not drip-proof. Do not use the Sensor in any on the humidity, number of boxes stacked on top, and other environment where it may be subjected to water or other liq- factors. Follow the first in, first out rule for storage. Do not drop uids. or throw the Sensor. Handle it with care. (4) If the inner packaging is dropped, the stopper may be (3) Do not use the Sensor in any environment where condensa- dislodged from the tube causing the Sensor to fall out and tion may occur. If moisture freezes on the Sensor chip, vari- become damaged. ations may occur in the Sensor output or the Sensor may (5) The surface of the tube containing the Sensor is coated in a film to prevent static electricity. Observe the following items malfunction. regarding this protective coating: (4) Do not insert wires, pins, or any other foreign objects into 1. Avoid exposure to water, which may wash away the pro- the connecting tube. Doing so could destroy the pressure tective coating. sensor chip inside the Sensor, or the foreign object may 2. The protective anti-static electricity coating may be sticky become stuck inside the connecting tube and affect the to the touch in high-temperature, high-humidity environ- Sensor output. ments. (5) Always stay within the rated pressure range. Using a pres- 3. The protective anti-static electricity coating degrades over time. Do not store the Sensor for more than 6 sure outside of this range may damage the Sensor. months. Also, do not reuse the packaging. (6) Do not use the Sensor in any environment subject to vibra- (6) Store the Sensor in an environment with suitable tempera- tion from ultrasonic or high-frequency waves. ture and humidity levels. (7) The Sensor output may be affected if the pressure sensor chip is exposed to light. Do not expose the Sensor chip to •Temperature: 5 to 30°C, Humidity: 40% to 60% (7) Leads are silver-plated and may change color over time light. (8) Static electricity may destroy the Sensor. Any charged depending on the storage conditions. Discoloration after the materials or surfaces, such as workbenches, floors, or tech- Sensor is delivered is not covered under warranty. Be sure nicians, must be properly grounded to prevent static electric- to store the Sensor under the proper conditions. 02 ity. (8) Do not store the Sensor in any environment with excessive P- (9) Applying excessive force to the pins may deform them and steam or dust. P M S damage the soldering. Do not drop the Sensor and always Mounting Method 2 handle it with care. Do not use the Sensor in any environ- •Mount the Sensor on the land pattern of a printed circuit board. ment that is subject to excessive steam or dust. •Solder pin 2 securely to the printed circuit board in order to (10) Refer to the connection diagrams when connecting the pins maintain the mechanical strength of the mounted Sensor. on the Sensor. Soldering Method (11) Do not connect to the pins on the Sensor in the wrong direc- •Due to its small size, the heat capacity of the Sensor is limited. tion. Doing so may cause variations in Sensor output or mal- Therefore, measures must be taken to minimize the effects of functions. heating from external sources. (12) External noise may effect the Sensor output. Take any nec- •Solder bath submersion: 260°C max. for 10 seconds max. essary measures to eliminate external noise. •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. 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. 6

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