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2SMPB-01-01 Absolute Pressure Sensor

High accuracy and small size absolute pressure sensor with low current consumption

  • Measure absolute pressure and temperature with high accuracy.
  • Built in low noise 24 bits ADC.
  • Digital control and output via I2C interface
  • Automatically power down non working circuit to minimize current consumption
  • Individual calibration parameters stored in OTP *.
    * One Time Programmable Non Volatile Memory

Discontinuation Date: Mar. 31, 2018

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■Standard Models with Surface Mounting Terminals
Structure Packaging Model Minimum Order Quantity Minimum Packing Unit
8-pin QFN Tape and Reel 2SMPB-01-01-TR 1,000 1,000
Embossed Carrier Tape 2SMPB-01-01 10 10
■Use conditions and recommended operating conditions
Type of Pressure Absolute pressure
Medium Air *
Operating Pressure Range 30 kPa to 110 kPa
* Never use corrosive gases.

■Use conditions and recorating conmmended opeditions
Item Symbol Rating Unit Remark
Power Supply Voltage Vddmax 4.0 V  
Input Voltage (other than power) Vmax -0.2 to Vopr+0.2 V  
Maximum Pressure Pmax 160 kPa  
Storage Temperature Tstr -40 to 85 °C with no condensation or icing
Storage Humidity Hstr 10 to 95 %RH with no condensation


■Operating Ratings
Item Symbol Min. Typ. Max. Unit Remark
Operating Voltage Vopr 2.25 2.5 3.6 V VDD
Vddio 1.62 2.5 3.6 V VDDIO
Operating Temperature Topr -40 - 85 °C  


■Electrical Characteristics  (At Ta = 25°C, VDD = 2.5 V, unless otherwise noted)
Item Name Min. Typ. Max. Unit Remark
Average Current * Ihp - 9 - μA 1 sample/s High accuracy mode
Current Consumption Idd - 500 610 μA  
Sleep Mode Current Consumption Isleep - 0.3 0.6 μA  
Measureable Pressure Range Popr 30 - 110 kPa  
Absolute Pressure Accuracy * Pabs1 -750 - 750 Pa 70 k to 110 kPa High accuracy mode
Relative Pressure Accuracy * Prel1 - 6 - Pa 70 k to 110 kPa High accuracy mode
rms Noise * Pnois - 2 - Pa 70 k to 110 kPa High accuracy mode
Absolute Temperature Accuracy Tabs -2 - 2 °C  
Pressure Resolution * Pres - 0.06 - Pa High accuracy mode
Temperature Resolution * Tres - 0.0002 - °C High accuracy mode
Discharge time of VDD * Toff - 60 - sec Time@ VDD From 2.5 V to 0.01 V
* These characteristics are guaranteed by design.
Note: Above table shows the characteristics without mounting board.
Please confirm performance of this sensors in your application and use your own judgment to determine the appropriateness of using them in such application.

■I2C Characteristics  (At Ta = 25°C, VDD = 2.5V, unless otherwise noted)
Item Name Standard Mode Fast Mode Unit Remark
MIN. MAX. MIN. MAX.
SCLK Clock Frequency fscl - 100 - 400 kHz  
Digital Input L (I2C) Vil2 -0.2 VDD×0.2 -0.2 VDD×0.2 V  
Digital Input H (I2C) Vih2 VDD×0.8 VDD+0.2 VDD×0.8 VDD+0.2 V  
Digital Output L (I2C) Vol2 0 0.4 0 0.4 V  
Pull-up Resister Rpullup 2.2 10 2.2 10  
Capacitive Load Cb - 400 - 400 pF  
Power On Supply Startup Waiting Time Tpor - 0.8 - 0.8 msec  
Power On Start Up Time tstart - 2 - 2 msec  
Pulse Width of Asynchronous Reset trar 100 - 100 - μsec  
Note 1: When the power is turned on, please activate power on reset.
For more information, please refer to the section of "Power on Reset" (p. 8).
Note 2: About detailed I2C bus information, please refer to the I2C-bus specification and user manual presented by NXP.


■Characteristics by Power Mode
Mode *1 Waiting Time [msec] *2 Average Current @1 sample/s [uA] *2 rms Noise [Pa] *2
Low power mode 7 4 6
Standard mode 9 5 3
High accuracy mode 17 9 7
* 1: Please see "I2C_SREQ: Sensor Request Register" (p. 13) for setting up power mode.
* 2: Please see "Execute timing chart" (p. 6) for meaning of waiting time. These characteristics are guaranteed by design.
(unit: mm)


■Mounting PAD Dimensions (Top View) : recommended