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consumption temperature and humidity sensor ic with i2c interface GXCAS GXHTV3C in compact dfn6 package

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consumption temperature and humidity sensor ic with i2c interface GXCAS GXHTV3C in compact dfn6 package

Humidity Tolerance : ±3%RH

Temperature Range : -45℃~+130℃

Resolution : 16bit

Interface : I2C

Humidity : 0%RH~100%RH

Temperature Tolerance : ±0.3℃

Current - Supply : 45uA

Voltage - Supply : 1.6V~5.5V

Description : ±3%RH -45℃~+130℃ I2C 0%RH~100%RH 1.6V~5.5V DFN-6(2x2) Analog and Digital Output RoHS

Mfr. Part # : GXHTV3C

Model Number : GXHTV3C

Package : DFN-6(2x2)

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Product Overview

The GXHTV3 is an ultra-low power, I2C compatible temperature and humidity sensor IC designed for consumer electronics. It offers a wide supply voltage range (1.6V-5.5V), a small DFN6 package (2x2x0.75mm3), and factory calibration with typical accuracies of 3%RH and 0.3C. Its integrated system includes capacitive humidity sensing, PN junction temperature measurement, a 16-bit ADC, digital signal processing, calibration data storage, and an I2C interface. The sensor is suitable for applications requiring miniaturization, low power consumption, and cost-effectiveness, such as consumer electronics, cold chain transportation, smart homes, smart agriculture, communication equipment, and photovoltaic energy storage.

Product Attributes

Brand: GALAXY-CAS
Model: GXHTV3
Origin: BEIJING GALAXY-CAS TECHNOLOGY CO.,LTD
Package: DFN6 (2x2x0.75mm3)
Calibration: Factory calibrated
Solderability: Reflow solderable

Technical Specifications

Parameter	Symbol	Condition	Min.	Typ.	Max.	Unit	Comments
Electrical Characteristic Parameters
Supply voltage	VDD	@25, 3.3V	1.6	3.3	5.5	V
Power-up level	VPOR	Static power supply	1.3	1.4	1.5	V
Supply current (Idle state)	IDD	@25, 3.3V	-	45	80	A	After power-up, sensor remains in idle state unless a sleep or measurement command is sent.
Supply current (Sleep mode)	IDD	@25, 3.3V	-	0.2	0.3	A	Requires a wake-up command to enable other commands.
Supply current (Measurement Normal)	IDD	@25, 3.3V	-	500	860	A	Average current consumption while measuring.
Supply current (Measurement Low power)	IDD	@25, 3.3V	-	320	620	A	Average current consumption while measuring.
Average current consumption (continuous operation, 1 measurement/sec)	IDD	@25, 3.3V	-	3	-	A	Normal mode
Average current consumption (continuous operation, 1 measurement/sec)	IDD	@25, 3.3V	-	1	-	A	Low power mode
Low level input voltage	VIL	@25, 3.3V	-	-	0.4VDD	V
High level input voltage	VIH	@25, 3.3V	0.7VDD	-	-	V
Low level output voltage	VOL	3mA sink current, @25, 3.3V	-	-	0.2VDD	V
Absolute Maximum Ratings
Supply voltage			-0.3		+6	V
Operating temperature range			-45		130
Storage temperature range			-45		130
ESD HBM (human body mode)			-4		+4	kV
ESD CDM (charge device mode)			-500		+500	V
Latch up, JESD78 Class II, 125C			-100		+100	mA
Sensor System Timings
Power-up time	tPU	VDD > VPOR	-	180	500	s	Time from power-up to voltage reaches VPOR.
Soft reset time	tSR	After soft reset command ACK	-	180	500	s	Time between ACK of soft reset command and sensor entering idle state.
Measurement duration (Normal)	tMEAS		-	10	11	ms	Duration for humidity and temperature measurement.
Measurement duration (Low power)	tMEAS		-	1.5	2	ms	Duration for humidity and temperature measurement.
Communication Timings (I2C)
SCL clock frequency	fSCL		0		100	KHz	Normal Mode
SCL clock frequency	fSCL		0		1000	KHz	Fast Mode Plus
Hold time START condition	tHD;STA		4.0	-	-	s	After this period, the first SCL pulse is generated.
Low period of the SCL clock	tLOW		4.5	-	-	s	Normal Mode
Low period of the SCL clock	tLOW		0.5	-	-	s	Fast Mode Plus
High period of the SCL clock	tHIGH		4.0	-	-	s	Normal Mode
High period of the SCL clock	tHIGH		0.26	-	-	s	Fast Mode Plus
Set-up time for repeated START condition	tSU;STA		4.7	-	-	s
SDA hold time	tHD;DAT		0	-	-	s
SDA set-up time	tSU;DAT		250	-	-	ns
SCL/SDA rise time	tR		-	-	1000	ns	Normal Mode
SCL/SDA rise time	tR		-	-	120	ns	Fast Mode Plus
SCL/SDA fall time	tF		-	-	300	ns	Normal Mode
SCL/SDA fall time	tF		-	-	120	ns	Fast Mode Plus
SDA valid time	tVD:DAT		3.5	-	-	s	Calculated from the falling edge of SCL.
Set-up time for STOP condition	tSU:STO		4	-	-	s
Capacitive load on bus line	CB		-	-	500	pF	Normal Mode
Capacitive load on bus line	CB		-	-	400	pF	Fast Mode Plus
Humidity Sensor Specifications
Accuracy		Typ.	-	3.0	-	%RH	Max. See Figure 3.
Accuracy		Max.	-	-	See Figure 3	%RH
Resolution			-	0.01	-	%RH
Hysteresis			-	1.0	-	%RH
Specified range			0	-	100	%RH
Response time	63%		-	8	-	s
Long-term drift		Typ.	-	<0.5	-	%RH/y
Temperature Sensor Specifications
Accuracy		Typ.	-	0.3	-		Max. See Figure 5.
Accuracy		Max.	-	-	See Figure 5	-
Resolution			-	0.01	-
Hysteresis			-	1.0	-
Specified range			-45		130
Response time	63%		-	<5-30	-	s
Long-term drift		Typ.	-	<0.02	-	C/y

2412091714_GXCAS-GXHTV3C_C5441730.pdf

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