DPS310

Part: DPS310 Type: Digital Barometric Air Pressure Sensor

Key Specs:

• Pressure operation range: 300 – 1200 hPa
• Temperature operation range: -40 – 85 °C
• Pressure sensor precision: ± 0.002 hPa
• Relative accuracy: ± 0.06 hPa
• Absolute accuracy: ± 1 hPa
• Temperature accuracy: ± 0.5°C
• Average current consumption (Pressure): 1.7 μA @1Hz sampling rate
• Average current consumption (Temperature): 1.5 μA @1Hz sampling rate
• Standby current consumption: 0.5 μA
• Supply voltage VDDIO: 1.2 – 3.6 V
• Supply voltage VDD: 1.7 – 3.6 V
• Measurement time (standard mode): 27.6 ms
• Measurement time (low precision mode): 3.6 ms

Features:

• Capacitive sensing principle
• 24-bit results for pressure and temperature
• Individually calibrated with stored coefficients
• Result FIFO stores up to 32 measurement results
• Serial I2C or SPI interface (with optional interrupt)
• Measurement status indicated by status bits or interrupts on SDO pin
• Operating modes: Command (manual), Background (automatic), and Standby
• Green Product (RoHS) Compliant

Applications:

• Indoor Navigation (floor detection)
• Health and Sports (accurate elevation gain and vertical speed)
• Outdoor Navigation (GPS start-up time and accuracy improvement, dead-reckoning)
• Weather Station ('Micro-weather' and local forecasts)
• HDD drivers (leak rate detection)
• Drones (flight stability and height control)

Package:

• 8-pin LGA: 2.0 mm x 2.5 mm x 1.0 mm

• Operation range: Pressure: 300 –1200 hPa. Temperature: -40 85 °C.
• Pressure sensor precision: ± 0.002 hPa (or ±0.02 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.
• Supply voltage: VDDIO: 1.2 3.6 V, VDD: 1.7 3.6 V.
• Operating modes: Command (manual), Background (automatic), and Standby.
• Calibration: Individually calibrated with coefficients for measurement correction.
• FIFO: Stores up to 32 pressure or temperature measurements.
• Interface: I2C and SPI (both with optional interrupt)
• Package dimensions: 8-pin LGA, 2.0 mm x 2.5 mm x 1.0 mm.
• Green Product (RoHS) Compliant

• Indoor Navigation (floor detection e.g. in shopping malls and parking garages)
• Health and Sports (accurate elevation gain and vertical speed)
• Outdoor Navigation (GPS start-up time and accuracy improvement, dead-reckoning e.g. in tunnels)
• Weather Station('Micro-weather' and local forecasts)
• HDD drivers, (leak rate detection in hard disk drives)
• Drones (flight stability and height control)

2.1 Pin Configuration and Description

Figure 1 Pin configuration (top view, figure not to scale)

Table 2 Pin description

Specifications

2.2 Block Diagram

Figure 2

Maximum ratings are absolute ratings. Exceeding any one of these values may cause irreversible damage to the integrated circuit.

Attention: Stresses above the values listed as "Absolute Maximum Ratings" may cause permanent damage to the devices. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Table 4 Absolute Maximum Ratings