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I2C Barometric Pressure Sensor MS5637-02BA & MS5637-30BA

The MS5637 is an ultra compact micro altimeter. It is optimized for altimeter and barometer applications in smart phones, tablet PC's and other electronics. The altitude resolution at sea level is 13 cm of air. The sensor module includes a high linearity pressure sensor and an ultra low 24 bit ADC with internal factory-calibrated coefficients. The MS5637 can be interfaced to any microcontroller with I2C-bus interface. The communication protocol is simple, without the need of programming internal registers in the device. Small dimensions of 3 x 3 x 0.9 mm allow integration in mobile devices. A temperature signal is included. DOWNLOAD OUR BAROMETRIC


  • QFN package 3 x 3 x 0.9 mm3
  • High resolution module, 13 cm
  • Supply voltage: 1.5 to 3.6 V
  • Fast conversion down to 0.5 ms
  • Low power, 0.6 µA (standby 0.15 µA at 25C)
  • Integrated digital pressure sensor
  • Operating range of 300-1200 mbar for MS5637-02BA and 0-30 bar for MS5637-30BA (-40 to +85C) 
  • I2C interface
  • No external components (internal oscillator)


  • Mobile phones
  • GPS receivers
  • Altimeter applications
  • Personal navigation devices
  • Tablet PC's


  • Freescale MPL3115A2


Contact Information

Servoflo Corporation
75 Allen Street
Lexington, MA 02421

Phone: (781) 862-9572
Fax: (781) 862-9244

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