HDC3020

ADVANCE INFORMATION HDC3020 SNAS778 – JUNE 2021 HDC302x High-Accuracy, Low-Power, Digital Humidity and Temperature Sensor With Ultra-Low Drift 1 Features Relative humidity (RH) sensor: – Operating range: 0% to 100% – Accuracy: ±1.5% typical – Drift Correction: reduces offset to return device to within accuracy specification – Long-term drift: 0.21%RH/yr – Condensation protection with integrated heater Temperature sensor: – Operating range: -40°C to 125°C – Accuracy: ±0.1°C typical NIST traceability: Relative humidity & temperature Low power: average current 0.7 µA I2C interface compatibility up to 1-Mhz speeds – Four selectable I2C addresses – Command/data protection through CRC checksum Supply voltage: 1.62 V to 5.50 V Available auto measurement mode Programmable interrupts Programmable measurement calibration Factory-installed polyimide tape assembly cover Factory-installed IP67 rated environmental cover 2 Applications Washer & dryer Refrigerator & freezer Industrial transport Cold Chain asset tracking & data logger IoT environmental sensors Air quality and gas detection Humidifier/dehumidifier Thermostat CPAP and ventilator Water leak detector IP Camera RH Sensor T Sensor HDC3 Calibration ADC Linearization 3.30 V VDD VDD SCL SDA ALERT I2C ADDR ADDR1 I2C Controller GPIO µC RESET GND GND Typical Application 3 Description The HDC302x is an integrated capacitive based relative humidity (RH) and temperature sensor, w...