Product Overview
The Infineon DPS310 is a miniaturized digital barometric pressure sensor designed for portable devices. It offers high accuracy and low current consumption, capable of measuring both pressure and temperature. Utilizing a capacitive sensing principle, it ensures high precision even during temperature fluctuations. Its compact package makes it ideal for mobile and wearable applications. The integrated signal processor delivers 24-bit results, and each unit is individually calibrated with stored coefficients for accurate conversion. Features like a result FIFO for reduced polling, I2C/SPI interfaces, and status indicators enhance its usability. Typical applications include indoor navigation, health and sports tracking, outdoor navigation, weather stations, and drone flight control.
Product Attributes
- Brand: Infineon
- Product Line: XENSIV
- Product Name: DPS310 Digital Barometric Pressure Sensor
- Compliance: Green Product (RoHS) Compliant
Technical Specifications
| Parameter | Symbol | Values | Unit | Note / Test Condition |
|---|---|---|---|---|
| Operation Range: Pressure | 300 1200 | hPa | ||
| Operation Range: Temperature | Ta | -40 85 | C | |
| Pressure Sensor Precision (high precision mode) | 0.002 | hPa (or 0.02 m) | ||
| Relative Accuracy | Ap_rel | 0.06 | hPa (or 0.5 m) | Any 1hPa in the range Pa=800 - 1200hP; Any constant temperature in the range TA=20..+60C |
| Absolute Accuracy | Ap_abs | 1 | hPa (or 8 m) | Pa=300 - 1200hPa; TA=0..+65C; Excluding solder effects |
| Temperature Accuracy | At | +/-0.5 | C | |
| Pressure Temperature Sensitivity | Ap_tmp | 0.5 | Pa/K | 1000hPa, 25...+65C. |
| Measurement Time (Standard Mode, 16x) | t | Typical: 27.6 | ms | |
| Measurement Time (Low Precision Mode) | t | Minimum: 3.6 | ms | |
| Average Current Consumption (Pressure Measurement @1Hz) | I1Hz | 1.7 | A | |
| Average Current Consumption (Temperature Measurement @1Hz) | I1Hz | 1.5 | A | |
| Standby Current Consumption | Istb | 0.5 | A | |
| Supply Voltage (Digital) | VDDIO | 1.2 3.6 | V | |
| Supply Voltage (Analog) | VDD | 1.7 3.6 | V | |
| Package Dimensions | 2.0 mm x 2.5 mm x 1.0 mm | 8-pin LGA | ||
| Interface | I2C, SPI | (both with optional interrupt) | ||
| FIFO Capacity | 32 | measurements | (pressure or temperature) | |
| Digital Bit Depth | 24 | bits | ||
| I2C Clock Frequency | fI2C | 3.4 | MHz | |
| SPI Clock Frequency | fSPI | 10 | MHz |
2411200036_Infineon-DPS310XTSA1_C3232509.pdf
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