The MS5840 is an ultra-compact micro altimeter. It is optimized for altimeter and barometer applications. The altitude resolution at sea level is 13 cm of air.

Ceramic - metal package, 3.3 x 3.3 x 1.7mm
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, -20 to +85 °C
I2C interface
No external components (internal oscillator)
Protected against direct sunlight
Lid connected to ground option
APPLICATIONS
Adventure or multi-mode watches
Mobile water depth measurement systems