Sensor offers high accuracy in compact package

17th August 2018

Mick Elliott

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Datasheet

A humidity and temperature digital sensor from Texas Instruments (TI) that offers high accuracy and low power consumption in a compact package is in stock at distributor Mouser Electronics. The HDC2080 sensor is suitable for a broad range of Internet of Things (IoT) and environment-monitoring applications.

The sensor is a capacitive-based device that uses an integrated heating element to dissipate moisture and condensation.

It integrates multiple digital features, allowing for the use of programmable input thresholds to deliver system wake-ups and alerts without needing to rely on a microcontroller to monitor the system and its low power consumption allows developers to place their microcontrollers in deep sleep mode, because the sensor can initiate measurements without input from a microcontroller.

The high-performance sensors offer a typical humidity accuracy of ±2 percent and a typical temperature accuracy of ±0.2 degrees C.

An auto measurement mode initiates humidity and temperature measurements, enabling efficient performance in applications with power-budget restrictions.

Designed for battery-operated systems, the sensor supports a supply voltage range of 1.62V to 3.6V.

With an operating temperature range of minus 40 to 85 C, the sensors can be safely used in applications such as home appliances, smart home devices, smart thermostats, HVAC systems and inkjet printers.

The HDC2080 humidity and temperature digital sensor is supported by the HDC2080EVM, a simple plug-and-play platform that features an MSP430F5528 microcontroller and a USB interface, allowing for easy communication between the HDC2080 sensor and a PC.