This manual details the features, specifications, interface definitions, and communication protocols for the Aosong AM2320 digital temperature and humidity…
The Aosong AM2320 is a compact digital sensor combining capacitive moisture elements with high-precision temperature measurement devices. It offers excellent long-term stability, ultra-low voltage operation, and super fast response times suitable for demanding applications.
The sensor supports two communication modes: standard I2C and single-bus interfaces, allowing flexible system integration without additional wiring. Key features include a 4-pin package, signal transmission up to 20 meters, and temperature-compensated digital output that eliminates the need for secondary calculations by the user.
| Supply Voltage Range | 3.1V - 5.5V |
|---|---|
| Relative Humidity Accuracy | +/- 3% RH at 25°C |
| Temperature Range | -40 to 80 °C |
| Relative Humidity Resolution | 0.1 %RH |
| Temperature Resolution | 0.1 °C |
| I2C Transfer Rate (Standard Mode) | up to 100Kb/s |
| Signal Transmission Distance | up to 20 meters |
The relative humidity accuracy is +/- 3% RH at a condition of 25°C.
The sensor supports a signal transmission distance of up to 20 meters.
The device operates with a supply voltage between 3.1V and 5.5V.
The data transfer rate on an I2C bus reaches up to 100Kb/s in standard mode.