SHT40I-AD1B-R2

SHT40I digital, 4th generation, high-accuracy, 16bit, industrial-grade, relative humidity and temperature sensor. It is an industrial-grade digital sensor platform for measuring relative humidity and temperature with different accuracy classes. It meets demanding ESD and robustness requirements of industrial applications. The sensors can be interfaced via several preconfigured I2C addresses. An integrated heater allows for advanced on-board-diagnostics while the sensor element is designed for harsh conditions such as condensing environments. The four-pin dual flat-no-leads package is suitable for surface mount technology (SMT) processing. Patented protection options such as ePTFE membranes and polyimide foils can be pre-ordered. It is based on Sensirion’s proven CMOSens® Technology, which ensures the highest reliability. It features mature technology from global market leader, JEDEC JESD47 qualification, high ESD protection and patented protection options.

• Base RH&T accuracy, 0x44 I2C address
• Size is 1.5 x 1.5 x 0.5mm3, I2C fast mode plus, CRC checksum
• Supply voltage range from 2.3 to 5.5V, no low drop out (LDO) required
• Energy consumption of 21µA (at meas. rate 1Hz), variable power heater, NIST traceability
• ±2 (typ.) @20-80% RH and ±4 (max.) @20-80% RH typical RH accuracy (%RH)
• ±0.2 (typ.) @0-65°C and ±0.4 (max.) @0-65°C typical temperature accuracy (°C)
• Best robustness and increased ESD protection
• RH response time of 4sec (tau63%)
• Enables seamless integration with its wide operating voltage range, small size and robust housing
• Fully functional in a condensing environment, full signal integrity at all times