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Digital I2C Humdity and Temperature Sensor Module - TH02

Relative Humidity Sensor ± 4.5 % RH (maximum @ 20-80% RH)
Temperature Sensor ±0.5 oC accuracy (typical)
0 to 100% RH operating range
-40 to +85 oC (GM) or 0 to +70 oC operating range (FM)
Wide operating voltage range (2.1 to 3.6 V)
Low Power Consumption 240 μA during RH conversion

Model Number: TH02

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Product Specification

Digital I2C Humdity and Temperature Sensor Module TH02 Description
The TH02 is a digital relative humidity and temperature sensor. This monolithic CMOS IC integrates temperature and humidity sensor elements, an analog-to-digital converter, signal processing, calibration data, and an I2C host interface. The patented use of industry-standard, low-K polymeric dielectrics for sensing humidity enables the construction of a low-power, monolithic CMOS sensor IC with low drift and hysteresis and excellent long term stability.

Both the temperature and humidity sensors are factory-calibrated and the calibration data is stored in the on-chip non-volatile memory. This ensures that the sensors are fully interchangeable, with no recalibration or software changes required.

Digital I2C Humdity and Temperature Sensor Module TH02 Features
● Relative Humidity Sensor
± 4.5 % RH (maximum @ 20-80% RH)
● Temperature Sensor
±0.5 oC accuracy (typical)
±1 oC accuracy (maximum @ 0 to 70 °C)
0 to 100% RH operating range
● -40 to +85 oC (GM) or 0 to +70 oC operating range (FM)
● Wide operating voltage range (2.1 to 3.6 V)
● Low Power Consumption
240 μA during RH conversion
● I2C host interface
● Integrated on-chip heater
● Excellent long term stability
● Factory calibrated
● Optional factory-installed cover
Low-profile
Protection during reflow
Excludes liquids and particulates (hydrophobic/oleophobic)

Digital I2C Humdity and Temperature Sensor Module TH02 Applications
● Industrial HVAC/R
● Thermostats/humidistats
● Respiratory therapy
● White goods
● Micro-environments/data centers
● utomotive climate control and de-fogging
● Asset and goods tracking

Digital I2C Humdity and Temperature Sensor Module TH02 Electrical Specifications
Unless otherwise specified, all min/max specifications apply over the recommended operating conditions.
Table 1. Recommended Operating Conditions

Parameter	Symbol	Test Condition	Min	Typ	Max	Unit
Power Supply	V_DD		2.1	3.3	3.6	V
Operating Temperature	T_A	G grade	-40	--	85	°C
Operating Temperature	T_A	F grade	0	--	70	°C

Table 2. General Specifications
2.1 ≤ VDD ≤ 3.6 V; TA = 0 to 70 °C (F grade) or –40 to 85 °C (G grade) unless otherwise noted.

Parameter	Symbol	Test Condition	Min	Typ	Max	Unit
Input Voltage High	V_IH	SCL, SDA pins	0.7xV_DD	--	--	V
Input Voltage Low	V_IL	SCL, SDA pins	--	--	0.3xV_DD	V
Input Voltage Range	V_IN	SCL, SDA pins with respect to GND	0.0	--	3.6	V
Input Leakage	I_IL	SCL, SDA pins	--	--	±1	μA
Output Voltage Low	V_OL	SDA pin; I_OL = 8.5 mA; V_DD = 3.3 V	--	--	0.6	V
Output Voltage Low	V_OL	SDA pin; I_OL = 3.5 mA; V_DD = 2.1 V	--	--	0.4	V
Notes: 1. SDA and SCL pins have an internal 75 kΩ pull-up resistor to VDD