HP5804 Precision MEMS Barometric Pressure & Altimeter Sensor
The HP5804 is a high-precision MEMS barometric pressure and temperature sensor featuring a 24-bit high-resolution ADC and an onboard data compensation engine. Designed for harsh and outdoor environments, it boasts a 100-meter waterproof, hermetically sealable 4.5 x 4.5 x 2.5 mm package, patented altitude calculation algorithms, low conversion power down to 2µA at 1 sample/sec, and a high-speed I2C digital interface.
30 ~ 2000 mBar
24-Bit Integrated ADC
Waterproof to 100m
1.8V to 3.6V DC
Down to 2 ms
I2C (Up to 10 MHz)
| Product Model | HP5804 |
| Sensor Architecture | MEMS pressure and temperature sensor with internal calibration and patented altitude calculation engine |
| Measurement Range | 30 mBar to 2000 mBar (Resolvable in fractions of a Pascal) |
| Current Consumption | Standby: <0.1 µA | Conversion: 2 µA (1 sample/sec) | Typical Active: 5.3 µA per measurement-second (OSR=256) |
| Signal Processing | Internal 24-bit ADC with decimation filter (up to 256), command-based acquisition, and programmable interrupt controls |
| Package & Mechanical | 4.5 x 4.5 x 2.5 mm hermetically sealable package; water-resistant design rated for submersible use up to 100 meters |
| Operating Temperature | -40°C to +85°C |
| Target Applications | Mobile altimeters and barometers, adventure/sports watches, weather station equipment, indoor navigation/map assist, industrial pressure and temperature loggers, panel computers |
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