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Temperature and Humidity Sensor Module - AM2302

  • Temperature and Humidity Sensor Module
  • Temperature and Humidity Sensor Module
  • Temperature and Humidity Sensor Module
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• Humidity range: 0~99.9%RH
• Temperature range: -40~+80°C
• Humidity Accuracy: ±2%RH
• Temperature Accuracy : ±0.5°C
• Humidity Repeatability: ±0.3%RH
• Temperature Repeatability: ±0.2°C
• Service voltage: 3.3V to 5.5V
• Output signal: Single

  • Model Number: AM2302
  • Data Sheet: Date Sheet File
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Product Specification

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%)
<5
S
Sluggish

<0.3
%RH
Drift

<0.5
%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%)
<10
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<25 kΩ
 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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