STS41A Datasheet | Sensirion

- STS4x A 4th Gen., High-Accuracy, 16-bit, Automotive-Grad Temperature Sensor Highlights - Temperature accuracy: up to ±0.3 °C - Supply voltage: 2.3 V … 5.5 V - I2C fast mode plus, CRC checksum - Operating range: -40…125 °C - Designed for 85°C/85%RH reliability testing - On-board diagnostics (OBD) capable - AEC Q100 qualification, high-reliability design - Mature technology from global market leader - Wettable flanks package optional The STS4x A is an automotive-grade digital sensor platform for measuring temperature with different accuracy gradings. It fulfills demanding reliability requirements for automotive applications, such as 85 °C/85 %RH accelerated life tests. The sensors can be interfaced via I2C. An integrated heater allows for advanced on-board-diagnostics while the sensor element is designed for reliable operation in harsh conditions. The four-pin dual-flat-no-leads package is suitable for surface mount technology (SMT) processing and can be ordered with a wettable flanks option. Device Overview Product Details STS41A-AW1B 0x44 I2C addr., wettable flanks Functional Block Diagram See full product list on page 14. .sensirion. / D1 Scan me to provide feedback Version 3 - Mai 2023 1 / 15 Contents 1 Quick Start Guide................................................................................................................................................................................ 3 2 Sensor Specifications ........................................................................................................................................................................ 4 2.1 Relative Humidity ..................................................................................................................................................................... 4 3 Electrical Specifications ............................................................................................................................................