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It is optimized for altimeters and variometers with an altitude resolution of 20 cm. The sensor module includes a high-linearity pressure sensor and an ultra low power 24 bit ΔΣ ADC with internal factory-calibrated coefficients. It 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 MS5805-02BA can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need of programming internal registers in the device. The sensing principle employed leads to very low hysteresis and high stability of both pressure and temperature signal.
High resolution module, 20 cm
Fast conversion down to 0.5 ms
Low power, 0.6 µA (standby < 0.15 µA at 25°C)
Integrated digital pressure sensor (24 bit ΔΣ ADC)
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