The HP303B is a miniaturized Digital Barometric Air Pressure Sensor with a high accuracy and a low current consumption, capable of measuring both pressure and temperature. Sensor measurements and calibration coefficients are available via serial I2C or SPI interface, which we can set.
Where to buy?
• Operation range: Pressure: 300 –1200 hPa..
• Pressure sensor precision: ± 0.005 hPa (or ±0.05 m) (high precision mode).
• Relative accuracy: ± 0.06 hPa (or ±0.5 m)
• Absolute accuracy: ± 1 hPa (or ±8 m)
• Temperature accuracy: ± 0.5°C.
• Pressure temperature sensitivity: 0.5Pa/K
• Measurement time: Typical: 27.6 ms for standard mode (16x). Minimum: 3.6 ms for low precision mode.
• Average current consumption: 1.7 µA for Pressure Measurement, 1.5uA for Temperature
measurement @1Hz sampling rate, Standby: 0.5 µA.
• Interface: I2C and SPI (both with optional interrupt)
| Item | HP303B |
|---|---|
| Voltage Supply | 3.3V – 5V |
| Functions | Digital Pressure Sensor |
| Communication | I2C and SPI |
| Pressure Range | 300hPa to 1200hPa |
| Operating Temperature | -40°C to 85°C |
| Board Dimensions | 20 x 20 mm |
| PIN Number | PIN Name | Description |
|---|---|---|
| 1 | 5V | Positive Power Supply |
| 2 | SDA | Serial Data İnput/Output |
| 3 | SCL | Serial Clock |
| 4 | SDO | for I2C: Least significant bit in the device address.
For SPI: Interrupt/No Connect |
| 5 | CSB | For I2C: Not used- open.
For SPI: Chip select, active low. |
| 6 | GND | Negative Power Supply |
Subscribe to Boardoza E-mail Newsletter
Corporate
Resources
Follow Us
All rights reserved. Boardoza is a subsidiary of Özdisan.
For communication info@boardoza.com
Address
Dudullu OSB Mahallesi DES Sanayi Sitesi 104. Sok. A7 Blok No:54-56, 34776 Ümraniye
