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Pressure Sensors
Pressure Sensors
Industrial Pressure Transmitters
ROHS Information
Application Notes
Custom Sensors
  SMP31 Series Uncompensated Absolute Pressure Sensor   Senphire offers high value added products for sensing applications. We term our offerings the Sapphire of sensing
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The SMP 31A Series are fully compensated absolute pressure sensors. The series features a small plastic surface mount package making it one of the smallest fully compensated absolute pressure sensors available.
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SMP 31 Series
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Based on Senphire’s proprietary packaging techniques the series incorporates a high quality silicon MEMs pressure sensor as the sensing element resulting in high linearity and sensitivity as well as low offset performance. This is coupled to the latest ASIC technology with compensation for offset, span and temperature effects.

The aim of the SMP31A series is to allow customers to integrate an absolute pressure sensor into their systems using as small a footprint as possible. Applications include MAP sensing, pneumatics and OEM applications such as home use weather stations and barometers.

The SMP 31A Series can be specified with pressure ranges from 15-30 psi. For an uncompensated  absolute pressure sensor we have the SMP31 series in the same package outline.

Key Features
Parameter Value Remarks
Operating Voltage 2.7 to 3.3V or 4.5 to 5.5V  
Available Pressure Ranges 15 and 30 Absolute
Linearity 0.3 % FS  
Output Analog  
Package 6 pin plastic SMT package  

SMP31 Series Pressure Sensor Mechanical Outline Drawing SMT

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Datasheet Download
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Analog Output
» SMP_31A_STD.pdf (for 15 to 30 psi)

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