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
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