DESCRIPTION

The MS5803-01BA is a new generation of high resolution altimeter sensors with SPI & I2C interface. The sensor module includes a high linearity pressure sensor with an ultra low power 24 bit ADC with internal factory calibrated coefficients. It provides a precise digital 24 bit pressure and temperature values 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 an additional sensor. Gel protection and an anti-magnetic stainless steel cap allows the use in 100m waterproof altimeter/compass watches.

FEATURES

• Pressure range from 10 to 1300 mbar
• High resolution of 10 cm (-01ba model)
• 20 cm resolution (-02ba model)
• Fast conversion down to 1 ms
• Supply voltage 1.8 to 3.6V
• Integrated temperature sensor
• Temperature range -40°C to 85°C
• I2C or SPI interface up to 20 MHz
• No external components (internal oscillator)
• RoHS-compatible & Pb-free
• Low power, 1 µA
• Hermetically sealable for outdoor devices

TYPICAL USES

• Mobile altimeter/barometer systems
• Bike computers
• Adventure or multi-mode watches
• Variometers
• Dataloggers