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TE Connectivity Measurement Specialties MS5840-02BA Pressure Sensors

TE Connectivity's Measurement Specialties MS5840-02BA Pressure Sensors are ultra-compact gel-filled pressure sensors that are water resistant and optimized for altimeter applications with small space constraints. The altitude resolution at sea level is 13cm of air. TE's MS5840-02BA sensor module includes a high-linearity pressure sensor and an ultra-low power 24-bit delta-sigma analog-to-digital converter (ΔΣ ADC) with internal factory-calibrated coefficients. The sensor provides a precise digital 24-bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high-resolution temperature output allows the implementation of an altimeter / thermometer function without any additional sensor. The user can interface the MS840-02BA to any microcontroller with I2C-bus interface. The communication protocol does not require any programming of internal registers in the device. The gel protection and antimagnetic stainless-steel cap makes the module water resistant. The device's dimensions of 3.3mm x 3.3mm x 1.7mm allow integration into mobile devices.
  • 3.3 x 3.3 x 1.7mm ceramic-metal package
  • 13cm high-resolution module
  • 1.5V to 3.6V supply voltage
  • Fast conversion down to 0.5ms
  • Low power, 0.6μA (standby ≤0.1μA at 25°C)
  • Integrated digital pressure sensor (24-bit ΔΣ ADC)
  • 300mbar to 1200mbar, -20°C to +85°C operating temperature range
  • I2C interface
  • No external components (internal oscillator)
  • Protected against direct sunlight
  • Lid connected to ground option
  • Adventure or multi-mode watches
  • Mobile water depth measurement systems
  • Personal navigation devices
  • Drones



    Kevin Smith