Digital Temperature and Humidity Sensor - AM2305

• Humidity range: 0~99.9%RH
• Temperature range: -40 ~ +80°C
• Humidity Accuracy: ±2%RH
• Temperature Accuracy: ±0.3°C
• Humidity Repeatability: ±0.1%RH
• Temperature Repeatability: ±0.2°C
• Service voltage: 3.3V to 5.5V
• Output signal: Single

  • Model Number: AM2305
  • Data Sheet: Date Sheet File
Quantity:
- +
  • Digital Temperature and Humidity Sensor
  • Digital Temperature and Humidity Sensor
  • Digital Temperature and Humidity Sensor
  • Digital Temperature and Humidity Sensor
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Product Specification

AM2305 Digital Temperature and Humidity Sensor Product Overview
AM2305 humidity capacitance is a digital temperature and humidity module contains a digital signal output has been calibrated temperature and humidity combined sensor. It uses a dedicated digital module acquisition techniques and 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.

AM2305 Digital Temperature and Humidity Sensor Product Features
• Fully calibrated
• Digital signal output
• Ultra-low power
• Excellent long-term stability
• Standard single-wire output

AM2305 Digital Temperature and Humidity Sensor Applications
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, appliances, humidifiers, medical, weather, and other relevant humidity detection control.

AM2305 Digital Temperature and Humidity Sensor 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.

AM2305 Digital Temperature and Humidity 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


±0.1

%RH
Interchangeability

Completely interchangeable
Response time
1/e (63%)

<5

S
Hysteresis


±0.3

%RH
Drift


<0.5

%RH/yr

Temperature
Parameter
Condition
min
typ
max
Unit
Resolution


0.1
°C

16
bit
Accuracy


±0.3
±0.4
°C
Range

-40

80 °C
Repeatability


±0.2

°C
Interchangeability

Completely interchangeable
Response time
1/e (63%)

<5

S
Drift


±0.1

°C/yr

AM2305 Digital Temperature and Humidity Sensor 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-level 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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