SHT31A-DIS-B2.5kS

Overview

The SHT31A-DIS-B2.5kS is an AEC-Q100 qualified digital humidity and temperature sensor designed for demanding automotive environments. It provides a linearized, temperature-compensated I2C output with a wide supply voltage range from 2.4V to 5.5V. The sensor is fully calibrated and includes an integrated heater to combat condensation issues in high-humidity applications.

Why Choose This Part

The sensor features a high 14-bit resolution and a typical accuracy of 2 percent RH, ensuring precise environmental data. Its low power consumption of 1.7uA in standby and fast start-up time make it ideal for power-sensitive automotive electronic control units. The DFN package is compact at 2.5mm x 2.5mm, suitable for space-constrained PCB designs.

Applications

Getting Started

Engineers can interface with the SHT31A via its I2C interface using standard microcontrollers like those in the STM32 or AVR families. For rapid prototyping, many third-party breakout boards are available, though automotive validation requires direct integration onto a custom PCB. Consult the Sensirion documentation for the specific I2C command set, including the soft reset and heater control registers.

SHT31 Family

Comparing specs that differ across variants. The current part is highlighted.

Also Consider