Posted On December 2, 2013 By In Ewave, Sensors and Wireless, TE Connectivity And 1645 Views

MS5637-02BA03 Low Voltage Barometric Pressure Sensor for Smart-phones and Tablet PCs

Measurement Specialties, CDI

Low Voltage Barometric Pressure Sensor
Optimized For Altimeter and Barometer Applications
in Smart-phones and Tablet PCs

MS5637 DetailsThe MS5637 is an ultra-compact micro altimeter that is optimized for altimeter and barometer applications in Smart-phones and Tablet PCs. The altitude resolution at sea level is 13 cm of air. The sensor module includes a high-linearity pressure sensor and an ultra-low power 24 bit ΔΣ ADC with internal factory-calibrated coefficients.

The MS5637 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 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 mm³ allow the integration in mobile devices. This new sensor module generation is based on leading MEMS technology and latest benefits from MEAS Switzerland proven experience and know-how in high volume manufacturing of altimeter modules, which has been widely used for over a decade.

• 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 ≤ 0.1 μA at 25°C) • Integrated digital pressure sensor (24 bit ΔΣ ADC)
• Operating Range: 300 to 1200 mbar, -40 to +85 °C • I2C interface
• No external components (internal oscillator)  
• Smart-phones • Tablet PCs
• Personal navigation devices  
Other Measurement Specialties Products at CDI:
Board Level Pressure Sensors Media Isolated Pressure Sensors
TO-5 and TO-8 Sensors Humidity Sensors
Pressure Transducers/Transmitters Accelerometers/Vibration Sensors
Barometer/Altimeter Modules Force/Load Cells
Piezo Film  
For More Information:
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