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Altimetric pressure sensors
Low Consumption MEMS Altimetric Pressure Module

HP203BW

Low Consumption MEMS Altimetric Pressure Module

The HP203BW employs a MEMS pressure sensor with an I2C interface to provide accurate temperature, pressure or altitude data. Data compensation is integrated internally to save the effort of the external host MCU system. Easy command-based data acquisition interface and programmable interrupt control is available.

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1. Descriptions of Altimetric Pressure Sensor Modules HP203W:

The HP203BW employs a MEMS pressure sensor with an I²C interface to provide accurate temperature, pressure or altitude data. The sensor pressure and temperature outputs are digitized by a high resolution 24-bit ADC. The altitude value is calculated by a specific patented algorithm according to the pressure and temperature data. Data compensation is integrated internally to save the effort of the external host MCU system. 

Easy command-based data acquisition interface and programmable interrupt control is available. Typical active supply current is 5.3 μA per measurement-second while the ADC output is filtered and decimated by 256. Pressure output can be resolved with output in fractions of a Pascal, and altitude can be resolved in 0.1meter. The HP203B is offered in a 3.6mm x3.8 mm x 1.2 mm package and specified for operation from -40°C to +85°C.

2. Features of Altimetric Pressure Sensor Modules HP203W:

● Supply voltage1.8V to 3.6V
● Pressure rang:300mbar~1200mbar
● Operation temperature:-40 to +85℃
● Programmable events and interrupt controls
● Altitude resolution: 0.1meter
● I²C interface
● Fast conversion down to 2ms
● Standby current<0.1μA, low conversion power, 2μA at 1 sample/sec.
● Size: 3.6*3.8*1.2 mm

3. Applications of Altimetric Pressure Sensor Modules HP203W:

● Mobile altimeter / barometer
● Industrial pressure and temperature sensor system
● Adventure and sports watches
● Weather station equipment
● Indoor navigation and map assist
● Data loggers for pressure, temperature and altitude.
● Panel computer.
 

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