Temperature Sensor STS3x
Best-In-Class Temperature Sensor For Various Applications
The STS3x is Sensirion’s high-accuracy digital temperature sensor series. The STS3x temperature sensor utilizes the industry-proven CMOSens® Technology and wins over users with its increased intelligence, reliability, NIST traceability and improved accuracy specifications. There are also automotive grade versions available.
Every single STS3x is calibrated and 100% end tested. The calibration is performed with a reference sensor which is NIST traceable through an ISO/IEC 17025 accredited laboratory.
The functionality of Sensirion’s STS3x temperature sensor includes enhanced signal processing, two distinctive and user-selectable I2C addresses, and communication speeds of up to 1 MHz. The dual-flat no-leads (DFN) package has a footprint of 2.5 × 2.5 mm2 while retaining a height of 0.9 mm. This allows for easy integration of the STS3x series into various applications. Additionally, the wide supply voltage range of 2.15 to 5.5 V and low current consumption (1.7µA typical average current at 1 measurement per second) guarantees compatibility with a wide range of applications.
The STS3x temperature sensor gives a fully calibrated, linearized, and supply-voltage-compensated digital output and has an outstanding accuracy of up to +/–0.1°C. There are three versions available: the standard version, STS31, guarantees an accuracy of ±0.2°C over a temperature range of 0°C to 90°C, while the low-cost version, STS30, has an temperature range of 0°C to 65°C. The high-end version STS35 is the most accurate temperature sensor available with an accuracy of ±0.1°C over a temperature range of 20 to 60°C.
Thanks to Sensirion’s CMOSens® Technology, the STS3x temperature sensor is designed for mass production, comes with a high signal-to-noise ratio and high process capability, and is proven to be highly reliable and stable over the long term.
Overview of STS3x Versions
| Product | Temperature (°C) | VDD Range (V) | Interface | Available Reel Sizes (pcs) | Datasheets | Buy |
|---|---|---|---|---|---|---|
| STS30-DIS | ±0.2 @0-65 °C | 2.15 to 5.5 | I2C | 2'500, 10'000 | Download |  |
| STS30A-DIS | ±0.3 @0-65 °C | 2.4 to 5.5 | I2C | 2'500, 10'000 | Download | |
| STS31-DIS | ±0.2 @0-90 °C | 2.15 to 5.5 | I2C | 2'500, 10'000 | Download | |
| STS31A-DIS | ±0.3 @-40-90 °C | 2.4 to 5.5 | I2C | 2'500, 10'000 | Download | |
| STS35-DIS | ±0.1 @20-60 °C | 2.15 to 5.5 | I2C | 2'500, 10'000 | Download | |
Features
| Output | I²C |
| Energy consumption | 5.6 µW (at 3.3 V, low repeatability, 1 measurement / s) |
| T operating range | -40 to +125°C (-40 to +257°F) |
| T response time | 2 sec (tau63%) |
| Accuracy | Up to ±0.1 °C |
Delivery Conditions
| Packaging | Tape & Reel, sealed in ESD bag |
| Packaging sizes | 2'500 and 10'000 pieces per reel |
Accuracy Limits for Temperature
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With plug-and-play hardware, user-friendly viewer software and compatibility with all environmental sensors, SEK-Environmental Sensing makes evaluation easier and faster than ever before. This allows our customers to focus on developing innovative sensor applications.
What We Offer
Expert First Contact
- Specialized and experienced sales force
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Fast And Easy Product Evaluation
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Design-In Support
- Assistance with the integration of STSxx sensors into your application
- Proven best practices to ensure that your production concept accommodates the requirements of STSxx sensors
Lifetime Support
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Environmental Sensing
Environmental conditions have a major impact on our well-being, comfort, and productivity. Sensirion’s sensor solutions provide detailed and reliable data on key environmental parameters such as humidity, temperature, volatile organic compounds (VOCs), particulate matter (PM2.5), and CO2. Environmental Sensing opens up new possibilities to create smarter devices that improve our comfort and well-being as well as increase energy efficiency in a wide variety of applications.
We accompany you through the entire product development process, from the initial idea to product launch and beyond. Our expertise ranges from prototype construction, design-in support and use-case development to inline testing at the mass production stage.
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