AHT30

AHT30

Manufacturer:: ASAIR

ASAIR AHT30 I2C Digital Contact Temperature&Humidity Sensor

Specifications

Product Introduction

The AHT30 is a new temperature and humidity sensor featuring low power consumption and high accuracy. It is embedded in a dual-flat no-lead SMD package suitable for reflow soldering, with a robust housing and compact dimensions, allowing easy integration into demanding designs. The AHT30 incorporates a newly optimized ASIC chip, an improved MEMS semiconductor capacitive humidity sensing element, and a standard on-chip temperature sensing element, delivering significantly enhanced performance and stable operation even in harsh environments. The AHT30 helps application devices reduce power consumption and offers excellent cost-effectiveness, making it ideal for mass production in enterprises that prioritize quality while maintaining strict cost control.

Features

  • Fully calibrated
  • Digital output with I2C interface
  • Excellent long-term stability
  • Fast response and strong anti-interference capability
  • Wide voltage support from 2.2 to 5.5 VDC

Applications

  • Smart home
  • Consumer electronics
  • Medical devices
  • Automotive
  • Industrial equipment
  • Meteorological instruments
  • HVAC systems
  • Dehumidifiers and refrigerators
  • Testing and measurement equipment
  • Other temperature and humidity detection and control products

Specifications Table

Parameter Value
Relative Humidity Resolution 0.024 %RH
Relative Humidity Accuracy (Typical) ±3 %RH
Relative Humidity Repeatability ±0.1 %RH
Relative Humidity Hysteresis ±1 %RH
Relative Humidity Nonlinearity <0.1 %RH
Relative Humidity Response Time 8 to 30 s
Relative Humidity Measurement Range 0 to 100 %RH
Relative Humidity Drift <1 %RH/yr
Temperature Resolution 0.01 ℃
Temperature Accuracy (Typical) ±0.5 ℃
Temperature Repeatability ±0.1 ℃
Temperature Hysteresis ±0.1 ℃
Temperature Response Time 5 to 30 s
Temperature Operating Range -40 to 120 ℃
Temperature Drift <0.1 ℃/yr
Supply Voltage 2.2 to 5.5 V
Supply Current (Sleep Mode) 0.2 µA
Supply Current (Measurement Mode) 570 to 600 µA
Power Consumption (Sleep Mode) 0.8 µW
Power Consumption (Measurement Mode) 1.8 to 1.9 mW
Communication Interface Two-wire digital interface, standard I2C protocol
Package Type Dual-flat no-lead SMD
Packaging Tape and reel, 5000 pcs per reel (max)

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