DPS310

Digital Barometric Air Pressure Sensor

The DPS310 is a digital barometric air pressure sensor from Infineon Technologies. View the full DPS310 datasheet below including key specifications, absolute maximum ratings.

Official DPS310 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Infineon Technologies

DPS310 Key Specifications

Parameter	Value
Packaging	Reel
FIFO Depth	32 measurement results
ADC Resolution	24-bit
Pressure Range	300 to 1200 hPa
Standby Current	0.5 µA
Measurement Time	3.6 ms (min, low precision) to 27.6 ms (typ, standard mode 16x)
Absolute Accuracy	±1 hPa
Relative Accuracy	±0.06 hPa
Temperature Range	-40 to 85 °C
Package Dimensions	2.0 mm x 2.5 mm x 1.0 mm
Pressure Precision	±0.002 hPa (high precision mode)
Supply Voltage VDD	1.7V to 3.6V
Supply Voltage VDDIO	1.2V to 3.6V
Temperature Accuracy	±0.5 °C
Communication Interfaces	I2C, SPI (3-wire/4-wire)
Pressure Temperature Sensitivity	0.5 Pa/K
Average Current (Pressure Measurement @1Hz)	1.7 µA
Average Current (Temperature Measurement @1Hz)	1.5 µA

DPS310 Overview

Part: DPS310

Type: Digital Barometric Air Pressure Sensor

Description: Miniaturized 300–1200 hPa digital barometric pressure and temperature sensor with 24-bit resolution, integrated 32-sample FIFO, and I2C/SPI interfaces.

Operating Conditions:

Supply voltage: 1.7 to 3.6 V (VDD), 1.2 to 3.6 V (VDDIO)
Operating temperature: -40 to 85 °C
Pressure range: 300 to 1200 hPa

Absolute Maximum Ratings:

Max supply voltage: 4 V (VDD and VDDIO)
Max junction/storage temperature: 125 °C (Storage temperature)

Key Specs:

Absolute pressure accuracy: ±100 Pa (Pa = 300–1200 hPa, TA = 0 to +65 °C)
Relative pressure accuracy: ±6 Pa (Δ1 hPa in range 800–1200 hPa, TA = 20 to +60 °C)
Temperature accuracy: ±0.5 °C
Pressure precision (noise): 0.2 Pa RMS (High Precision mode), 0.35 Pa RMS (Standard mode), 1.0 Pa RMS (Low Power mode)
Peak current consumption: 345 μA (Pressure measurement), 280 μA (Temperature measurement)
Standby current consumption: 0.5 μA
Current consumption at 1 Hz (1 P + 1 T/s): 2.1 μA (Low precision), 11 μA (Standard precision), 38 μA (High precision)
Pressure measurement time: 5.2 ms (Low Power), 27.6 ms (Standard), 105 ms (High Precision)
Pressure temperature sensitivity: 0.5 Pa/K (1000 hPa, 25 to +65 °C)

Features:

Capacitive sensing principle for high precision during temperature changes
Integrated 24-bit ADC for pressure and temperature conversion
Integrated 32-entry FIFO for measurement results
Individually factory calibrated with internally stored calibration coefficients
Flexible digital interfaces supporting I2C and 3-wire/4-wire SPI

Applications:

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)
Weather Station ('Micro-weather' and local forecasts)
HDD drivers (leak rate detection in hard disk drives)
Drones (flight stability and height control)

Package:

8-pin LGA (2.0 mm x 2.5 mm x 1.0 mm)

DPS310 Features

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, 1.5μA 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: I 2 C 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

DPS310 Applications

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)

DPS310 Pin Configuration

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

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

Table 2

Pin description

Pin	Name	SPI 3-wire	SPI 3-wire with interrupt	SPI 4-wire	I 2 C	I 2 C with interrupt
1	GND	Ground	Ground	Ground	Ground	Ground
2	CSB	Chip select - active low	Chip select - active low	Chip select - active low	Not used - open (internal pull-up) or tie to VDDIO	Not used - open (internal pull- up) or tie to VDDIO
3	SDI	Serial data in/out	Serial data in/out	Serial data in	Serial data in/out	Serial data in/out
4	SCK	Serial Clock	Serial Clock	Serial Clock	Serial Clock	Serial Clock
5	SDO	Not used	Interrupt	Serial data out	Least significant bit in the device address.	Interrupt pin and least significant bit in the device address.
6	VDDIO	Digital supply voltage for digital blocks and I/O interface	Digital supply voltage for digital blocks and I/O interface	Digital supply voltage for digital blocks and I/O interface	Digital supply voltage for digital blocks and I/O interface	Digital supply voltage for digital blocks and I/O interface
7	GND	Ground	Ground	Ground	Ground	Ground
8	VDD	Supply voltage for analog blocks	Supply voltage for analog blocks	Supply voltage for analog blocks	Supply voltage for analog blocks	Supply voltage for analog blocks

DPS310 Absolute Maximum Ratings

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.

DPS310 Typical Application

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)

DPS310 Package Information

The sensor package is a 8-pin PG-VLGA-8-1, 2.0 x 2.5 x 1 mm 3 , with 0.65 mm pitch.

Other Pressure Sensors

BMP390 – Bosch Sensortec, Digital pressure sensor
LPS22HB – STMicroelectronics, MEMS Nano Pressure Sensor / Digital Output Barometer
BMP388 – Bosch Sensortec, Digital pressure sensor
LPS22HBTR – STMicroelectronics, MEMS Nano Pressure Sensor / Digital Output Barometer
MS5607 – MEAS Switzerland, Barometric Pressure Sensor
MS5607-02BA – MEAS Switzerland, Barometric Pressure Sensor
MS5607-02BA03 – MEAS Switzerland, Barometric Pressure Sensor
MS560702BA – MEAS Switzerland, Barometric Pressure Sensor

All Pressure Sensors datasheets All Infineon Technologies datasheets (140)

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