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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:

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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
Resolution			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	I_OL	0		300	mV
High-level output voltage	Rp<25 k?	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	k?
Output Current	Open		8		mA
Output Current	Tri-State (Off)	10	20		μA
Sampling period		2			S