1 Features
• Relative humidity range: 0% to 100%
• Humidity accuracy: ±2%
• Sleep current: 50 nA
• Average supply current (1 measurement per
second)
– RH only (11 bit): 300 nA
– RH (11 bit) + temperature (11 bit): 550 nA
• Temperature range:
– Operating: –40°C to 85°C
– Functional: –40°C to 125°C
• Temperature accuracy: ±0.2°C typical
• Supply voltage: 1.62 V to 3.6 V
• Programmable sampling rate (5 Hz, 2 Hz, 1 Hz,
0.2 Hz, 0.1 Hz, 1/60 Hz, 1/120 Hz) or trigger on
demand
• I2C interface

2 Applications
• Smart thermostats
• Smart home assistants
• Refrigerators
• Refrigerated transport
• Washer/dryers
• HVAC systems
• Gas sensing
• Communications equipment
• Environmental tags
• Smoke and heat detectors
• Inkjet printers
• Surveillance cameras
• CPAP machines
• Wearables

3 Description
The HDC2010 is an integrated humidity and
temperature sensor that provides high accuracy
measurements with very low power consumption, in
an ultra-compact WLCSP (Wafer Level Chip Scale
Package). The sensing element of the HDC2010 is
placed on the bottom part of the device, which makes
the HDC2010 more robust against dirt, dust, and
other environmental contaminants. The capacitivebased
sensor includes new integrated digital features
and a heating element to dissipate condensation
and moisture. The HDC2010 digital features include
programmable interrupt thresholds to provide alerts/
system wake-ups without requiring a microcontroller
to be continuously monitoring the system. This,
combined with programmable sampling intervals, low
inherent power consumption, and support for 1.8-V
supply voltage, make the HDC2010 well suited for
battery-operated systems.
The HDC2010 provides high accuracy measurement
capability for a wide range of environmental
monitoring applications and Internet of Things (IoT)
such as smart thermostats, smart home assistants
and wearables. The HDC2010 can also be used to
provide critical temperature and humidity data for cold
chain transportation and storage of perishable goods
to help ensure products like food and pharmaceuticals
arrive fresh.
The HDC2010 is factory-calibrated to 0.2°C
temperature accuracy and 2% relative humidity
accuracy and includes a heating element to burn
away condensation and moisture for increased
reliability. The HDC2010 supports operation from –
40°C to 125°C and from 0% to 100% relative humidity.