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AM2302 Temperature and Humidity Sensor Module Product Overview
AM2302 Humidity-sensitive capacitance digital temperature and humidity module is a digital output signal containing a calibrated temperature and humidity combined sensor. It uses a dedicated digital modules capture technology and the temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term stability. Sensor includes a capacitive humidity sensing element and a high-precision temperature measurement devices, and with a high-performance 8-bit microcontroller connected. Therefore, the product has excellent quality, fast response, anti-interference ability, high cost and other advantages.
AM2302 Temperature and Humidity Sensor Module Applications
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, home appliances, humidity regulator, medical, weather stations, and other related humidity measurement and control, etc.
AM2302 Temperature and Humidity Sensor Module Product Highlights
Ultra-low power, transmission distance, fully automated calibration, using capacitive humidity sensor, completely interchangeable, standard digital single-bus output, excellent long-term stability, high-precision temperature measurement devices.
AM2302 Temperature and Humidity Sensor Module Sensor Performance
Relative Humidity
| Parameter |
Condition |
min |
typ |
max |
Unit |
| Resolution |
0.1 | %RH |
|||
| Range |
0 | 99.9 | %RH |
||
| Accuracy |
25°C |
±2 |
%RH |
||
| Repeatability |
±0.3 |
%RH |
|||
| Interchangeability |
Completely interchangeable |
||||
| Response time |
1/e (63%) |
S | |||
| Sluggish |
%RH |
||||
| Drift |
%RH/yr |
||||
Relative Temperature
| Parameter |
Condition |
min |
typ |
max |
Unit |
| Resolution |
0.1 | °C |
|||
| 16 | bit |
||||
| Accuracy |
±0.5 |
±1 |
°C |
||
| Range |
-40 |
80 | °C |
||
| Repeatability |
±0.2 |
°C |
|||
| Interchangeability |
Completely interchangeable |
||||
| Response time |
1/e (63%) |
S | |||
| Drift |
±0.3 |
°C/yr |
|||
AM2302 Temperature and Humidity Sensor Module Electrical Characteristics
| Parameter |
Condition |
min |
typ |
max |
Unit |
| Supply Voltage |
3.3 | 5 | 5.5 | V |
|
| Power Consumption |
Dormancy |
10 | 15 | µA |
|
| Measure |
500 | µA |
|||
| Average |
300 | µA |
|||
| Low level output voltage |
IOL |
0 | 300 | mV |
|
| High level output voltage |
Rp | 90% |
100% |
VDD |
|
| Low input voltage |
Decline |
0 | 30% |
VDD |
|
| High input voltage |
Rise |
70% |
100% |
VDD |
|
| Rpu |
VDD = 5V VIN = VSS |
30 | 45 | 60 | kΩ |
| Output Current |
Open |
8 | mA |
||
| Tri-State (Off) |
10 |
20 | µA |
||
| Sampling period |
2 | S |
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