Key facts
- Brand
- AOSONG
- Model
- AM2322
- Category
- sensor
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-10-12
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Aosong AM2322 Digital Temperature and Humidity Sensor Product Manual
The AM2322 is a compact, low‑power digital temperature and humidity sensor that integrates a capacitive humidity element, a precision temperature element and a high‑performance micro‑processor. It is suitable for HVAC, dehumidifiers, data loggers, weather stations, consumer electronics, automotive and many other applications.
The document provides a product overview, mechanical dimensions, performance tables, electrical characteristics, pin definitions, single‑wire and I2C communication protocols, wiring diagrams, timing specifications, usage guidelines, safety warnings and warranty information. This manual is written in Chinese.
Aosong AM2322 specifications
| Humidity resolution | 0.1 %RH |
|---|---|
| Humidity range | 0 – 99.9 %RH |
| Humidity accuracy (25 °C) | ±2 %RH |
| Humidity response time | <5 s (1/e) |
| Sleep current | 8–10 µA |
| Supply voltage | 3.1 – 5.5 V |
| Temperature resolution | 0.1 °C (16‑bit) |
| Temperature range | -40 °C to 80 °C |
Source: Aosong AM2322 Digital Temperature and Humidity Sensor Product Manual
All Aosong AM2322 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the normal operating range for relative humidity and temperature for the AM2322 sensor?
The sensor operates normally between 0% and 80% relative humidity and -40°C to 80°C.
From: Aosong AM2322 Humidity and Temperature Sensor Datasheet
What is the recommended maximum activation time for the sensor to keep self-heating below 0.1°C?
The activation time should not exceed 10% of the measurement time, with a suggestion to measure once every 2 seconds.
From: Aosong AM2322 Humidity and Temperature Sensor Datasheet
What communication interfaces does the AM2322 support?
The sensor supports both single‑wire (1‑wire) and standard I2C interfaces.
From: Aosong AM2322 Digital Temperature and Humidity Sensor Product Manual
What is the supply voltage range for the AM2322?
It operates from 3.1 V to 5.5 V.
From: Aosong AM2322 Digital Temperature and Humidity Sensor Product Manual