Product Details

PCB Sensors

SMI Pressure Sensors Si Micro


The Silicon Microstructures SM5852 series of OEM pressure sensors combines state-of-the-art pressure sensor technology with CMOS mixed signal processing technology to produce an amplified, fully conditioned, multi-order pressure and temperature compensated sensor in a dualin-line package {DIP) configuration.

Combining the pressure sensor with a custom signal conditioning ASIC in a single package simplifies the use of advanced silicon micromachined pressure sensors. The pressure sensor can be mounted directly to a standard printed circuit board and an amplified, high-level, calibrated pressure signal can be acquired from the digital interface or analog output. This eliminates the need for additional circuitry, such as a compensation network or micro-controller containing a custom correction algorithm.

The SMS852 Series pressure sensors are based on SMl's highly stable, piezoresistive pressure sensor chips mounted on a ceramic substrate.

The model SMS852is designed for operating pressure ranges of 0-0.15 PSI(1.0 kPa).

Technical Features

  • Amplified,calibrated,fully signal-conditioned output span of 4.0voe full-scale
  • Analog and digital temperature compensated and calibrated pressure available
  • Multi-order correction for pressure non-l nearity and for temperature coefficient of span and offset (factory programmed)
  • Digital read-out through P.C interface
  • Output is ratiometric with supply voltage
  • Variety of versions (differential,gauge,and single-ended), depending on the pressure range

Typical Applications

  • Barometric measurement
  • Medicalinstrumentation
  • Pneumatic control
  • Gas flow
  • Heating, Ventilation and Air Conditioning (HVAC)


  • Fully amplified,pressure calibrated and temperature compensated in a single package
  • Both analog and digital pressure output with access to temperature signal-conditioned digital analog and digital pressure output
  • Available for differential,gauge & single-ended applications
  • 2nc1 Generation ceramic package and tubes for high reliability
  • Rugged and highly stable ceramic package
  • Unique low-pressure die allows for a full-scale pressure range of 0-0.15 PSI (1.0 kPa}

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