Overview
The HDC2080DMBR, manufactured by Texas Instruments, is an integrated humidity and temperature sensor designed for high accuracy measurements with ultra-low power consumption. This device is particularly suited for environmental monitoring and Internet of Things (IoT) applications, such as smart thermostats and smart home assistants. The sensor features a capacitive-based design with integrated digital features, including a heating element to dissipate condensation and moisture. Its small DFN package and low power requirements make it ideal for battery-operated systems.
Key Specifications
| Specification | Value |
|---|---|
| Package | WSON (DMB), 6 pins |
| Operating Temperature Range (°C) | -40 to 85 |
| Functional Temperature Range (°C) | -40 to 125 |
| Relative Humidity Range | 0% to 100% |
| Humidity Accuracy | ±2% (typical), ±3% (maximum) |
| Temperature Accuracy | ±0.2°C (typical), ±0.4°C (maximum) |
| Sleep Mode Current | 50 nA (typical), 100 nA (maximum) |
| Average Supply Current (1 measurement/second) | 300 nA: RH% only (11 bit), 550 nA: RH% (11 bit) + temperature (11 bit) |
| Supply Voltage Range | 1.62 V to 3.6 V |
| Interface Compatibility | I²C |
Key Features
- High accuracy humidity and temperature measurements
- Ultra-low power consumption
- Capacitive-based sensor with integrated heating element to dissipate condensation and moisture
- Programmable interrupt thresholds for alerts and system wake-ups
- Programmable sampling intervals
- Auto Measurement Mode for automatic initiation of temperature and humidity measurements
- I²C interface compatibility
- Support for 1.8-V supply voltage
Applications
The HDC2080DMBR is designed for a wide range of environmental monitoring and IoT applications, including:
- Smart thermostats
- Smart home assistants
- Battery-operated systems where power budget is critical
- Any application requiring high accuracy humidity and temperature measurements with low power consumption
Q & A
- What is the operating temperature range of the HDC2080DMBR?
The operating temperature range is -40°C to 85°C. - What is the relative humidity range of the HDC2080DMBR?
The relative humidity range is 0% to 100%. - What is the typical humidity accuracy of the HDC2080DMBR?
The typical humidity accuracy is ±2%. - What is the sleep mode current of the HDC2080DMBR?
The sleep mode current is 50 nA (typical), 100 nA (maximum). - Does the HDC2080DMBR support auto measurement mode?
Yes, it supports auto measurement mode, allowing automatic initiation of temperature and humidity measurements. - What interface does the HDC2080DMBR use?
The HDC2080DMBR uses an I²C interface. - What is the supply voltage range of the HDC2080DMBR?
The supply voltage range is 1.62 V to 3.6 V. - Is the HDC2080DMBR suitable for battery-operated systems?
Yes, it is designed for battery-operated systems due to its low power consumption. - Does the HDC2080DMBR have programmable interrupt thresholds?
Yes, it includes programmable interrupt thresholds for alerts and system wake-ups. - What package options are available for the HDC2080?
The HDC2080 is available in a WSON (DMB) package, and for space-critical designs, a smaller CSP package option is available through the HDC2010 with complete software compatibility.
