Description
The MS******2BA is a new generation of high resolution altimeter
sensors from MEAS Switzerland with SPI and I2C bus interface. It is
optimized for altimeters and variometers with an altitude
resolution of *0 cm. The sensor module includes a high linearity
pressure sensor and an ultra low power *4 bit Σ ADC with internal
factory calibrated coefficients. It provides a precise digital *4
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 MS******2BA can be interfaced to virtually
any microcontroller. The communication protocol is simple, without
the need of programming internal registers in the device. Small
dimensions of only 5.0 mm x 3.0 mm and a height of only 1.0 mm
allow for 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 have been widely used
for
over a decade.Â
FEATUERS
• High resolution module, *0cm
• Fast conversion down to 1 ms
• Low power, 1 μA (standby < 0.*5 μA)
• QFN package 5.0 x 3.0 x 1.0 mm3
• Supply voltage 1.8 to 3.6 V
• Integrated digital pressure sensor (*4 bit Σ ADC)
• Operating range: *0 to ***0 mbar, **0 to **5 °C
• I2C and SPI interface up to *0 MHz
• No external components (Internal oscillator)
• Excellent long term stability
APPLICATIONS
Mobile altimeter/ barometer systems
bike computers
Adventure or multi mode watcjs
Variometers
Dataloggers
