AHT30

The AHT30 is a high-precision digital humidity and temperature sensor from Sensirion, designed for demanding applications. It offers ±2% RH humidity accuracy and ±0.2°C temperature accuracy with low power consumption.
Key features:
- I²C interface for easy integration.
- Fully calibrated and factory-programmed.
- Compact DFN package (3x3x0.9 mm).
- Wide operating range (-40°C to +85°C, 0–100% RH).
Ideal for HVAC, IoT, automotive, and consumer electronics, the AHT30 ensures reliable environmental monitoring with fast response times. Its robust design and high accuracy make it a cost-effective alternative to similar sensors like the SHT30.
For more details, refer to the official datasheet.

The AHT30 is a high-precision digital humidity and temperature sensor with the following key features:
- Measurement Range: Humidity (0–100% RH), Temperature (-40°C to +85°C).
- High Accuracy: ±2% RH (humidity), ±0.3°C (temperature).
- Fully Calibrated: Factory-calibrated, no additional calibration needed.
- Digital Output: I²C interface for easy integration.
- Low Power: Typical 0.8 µA in sleep mode, 320 µA during measurement.
- Compact Size: DFN package (3x3x0.9 mm), suitable for space-constrained applications.
- Fast Response: <8 sec for humidity, <5 sec for temperature.
- Stable Performance: Low drift over time.
Ideal for HVAC, IoT, and consumer electronics due to its reliability and compact design.

The AHT30 is a digital humidity and temperature sensor with a 6-pin configuration (DFN package). Key functions and pin assignments:
1. VDD (Pin 1): Power supply (1.8V–3.6V).
2. SDA (Pin 2): I²C data line (or serial data for alternative interfaces).
3. SCL (Pin 3): I²C clock line.
4. GND (Pin 4): Ground.
5. NC (Pins 5–6): No connection (reserved or unused).
It provides ±2% RH humidity accuracy and ±0.3°C temperature accuracy, with low power consumption. The sensor communicates via I²C and includes a built-in heater for dew-point applications.

The AHT30 is a digital humidity and temperature sensor with high accuracy and low power consumption. Its key application areas include:
1. HVAC Systems – Monitoring and controlling indoor climate.
2. Smart Home Devices – Thermostats, air purifiers, and dehumidifiers.
3. Industrial Automation – Environmental monitoring in factories and warehouses.
4. Agriculture – Greenhouse and livestock climate control.
5. Consumer Electronics – Wearables and smart appliances.
6. Automotive – Cabin air quality and HVAC management.
7. Medical Equipment – Ensuring stable conditions in storage and diagnostics.
Its compact size, I²C interface, and reliability make it suitable for diverse embedded systems.

The AHT30 is a digital humidity and temperature sensor typically available in a DFN (Dual Flat No-lead) package, specifically DFN-8 (2.5×2.5×0.9 mm). This compact, surface-mount package is designed for high-precision environmental sensing in space-constrained applications. It features a small footprint, low power consumption, and robust performance for IoT, consumer electronics, and industrial uses.