DESCRIPTION

· AM2302/DHT22 is a digital relative humidity and temperature sensor.

· It uses a capacitive humidity sensor and a thermistor for measurements.

· The sensor outputs calibrated digital signals via a single-wire interface.

· It features temperature compensation and is calibrated in an accurate calibration chamber.

· The sensor has a small size, low power consumption, and supports long transmission distances up to 100 meters.

FEATURES

· High precision and full-range temperature compensation.

· Capacitive type humidity sensing technology.

· Calibrated digital signal output.

· Outstanding long-term stability.

· No extra components needed for operation.

· Low power consumption and 4-pin package for easy connection.

APPLICATIONS

· Suitable for various harsh application environments.

· Ideal for long-distance transmission scenarios.

· Used in systems requiring precise humidity and temperature measurements.

· Applicable in environments where low power consumption is critical.

· Can be used in systems that require fully interchangeable sensors.