DPS422
Description
The DPS422 is a miniaturized digital barometric air pressure sensor with high accuracy and low current consumption, capable of measuring both pressure and temperature. Pressure sensing is carried out using a capacitive sensor element, guaranteeing high accuracy over temperature.
Key Features
- Operation range: Pressure: 300 -1200 hPa. Temperature: -40°C - +85 °C.
- Pressure sensor precision: ± 0.005 hPa (or ±5 cm) (high precision mode).
- Relative accuracy: ± 0.06 hPa (or ±50 cm)
- Absolute accuracy: ± 1 hPa (or ±8 m)
- Temperature accuracy: ± 0.4°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, 2µA for temperature measurement @1Hz sampling rate, Standby: <1 µA.
- Supply voltage: VDDIO: 1.2 - 3.6 V, VDD: 1.7 - 3.6 V.
- Operating modes: Command (manual), Background (automatic), and Standby.
