SM5651 COMPENSATED CONSTANT CURRENT DRIVE
SM5651 COMPENSATED CONSTANT CURRENT DRIVE

Category

PCB Sensors

Manufacturer

SMI Pressure Sensors Si Micro

Info Quote
SM5651 COMPENSATED CONSTANT CURRENT DRIVE

SM5651 COMPENSATED CONSTANT CURRENT DRIVE

Category

PCB Sensors

Manufacturer

SMI Pressure Sensors Si Micro

The SM5600 Series of OEM pressure sensors are laser trimmed, temperature-compensated,low-pressure sensors in dual in-line packages for printed circuit board mounting.These sensors offer improved performance as well as the option for constant current excitation. With the ability to detect pressure ranges as low as 0.15 PSIfull scale,the SMS651 is ideal for applications requiring extreme sensitivity, from respiration to air filter obstructions.

The SMS600 Series pressure sensors are constructed by attaching a highly stable piezoresistive pressure sensor chip to a ceramic substrate. Thick film resistors on the ceramic are laser trimmed during manufacturing to provide zero offset calibration, temperature compensation for zero offset, and temperature compensation for sensitivity. In the SMS651 an additional resistor is trimmed to normalize the output of an external differential amplifier to provide span calibration when the sensor is driven by a constant current supply.

Various pressure pon configurations are available for flexibility in matching this product to specific applications

Technical Features

  • 0.15,0.3,0.8,1.5 PSI/ 1.0,2.1,10.3 kPa
  • Easy-to-use dual lnllne package (DIP)
  • Zero offset calibration
  • High-performance,stable packaged slllcon chip
  • Wide o-60degc compensated temperature range
  • RoHS & REACH Compliant


Typical Applications

  • Medical equipment
  • Respiration
  • HVAC
  • Level detection
  • Flow measurement
  • Industrial control


Highlights

  • Low pressures for sensitive applications
  • Constant current driven
  • Dualinline package (DIP)
  • Fully temperature compensated and calibrated
  • Primary pressure pon on back-side of sensor die, protecting front-side of sensor
  • Span calibration usingintegrated resistor and external op­ amps


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