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Dual Latching Hall Effect Sensor with Operating Voltage Range 2.8 to 24V GoChip Elec Tech Shanghai GH1881

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Dual Latching Hall Effect Sensor with Operating Voltage Range 2.8 to 24V GoChip Elec Tech Shanghai GH1881

Sample Frequency : 10kHz

Operating Current : 2mA

Operation Points : -2mT

Release Points : 2mT

Operating Temperature : -40℃~+125℃

Output Current : 25mA

Voltage - Supply : 2.8V~24V

Description : Digital Switch Bipolar Open Drain Hall Effect TO-92S

Mfr. Part # : GH1881

Model Number : GH1881

Package : TO-92S

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GH1881 Dual Latching Hall Effect Position Sensor

The GH1881 is a magnetic sensor integrated circuit designed using CMOS process technology. It comprises a voltage regulator, a Hall sensor with a dynamic offset compensation system, a small signal amplifier, a Schmitt trigger, and a drain open output driver. This sensor converts magnetic induction intensity into a switch-type digital voltage signal, suitable for operation with rectangular or cylindrical magnets. The output is high in the absence of a magnetic field and switches to low when the magnetic field strength exceeds the operating point (BOP). The output remains low until the magnetic field strength drops below the release point (BRP), at which point it returns to a high state.

Product Attributes

Brand: GOCHIP ELECTRONICS TECHNOLOGY (Shanghai) CO., LTD.
Origin: China
Product Model: GH1881
Series: UA (SIP-3L/TO-92S)
Technology: CMOS

Technical Specifications

Model	Package Type	Operating Voltage Range	Operating Temperature Range	Output Type	Max Output Current	Ordering Information
GH1881KUA	SIP-3L/TO-92S	2.8~24V	-40~125	Drain Open	25mA	1000 pcs/bag
GH1881KSW	SOT23-3L	2.8~24V	-40~125	Drain Open	25mA	3000 pcs/reel
GH1881KSE	Small SOT23	2.8~24V	-40~125	Drain Open	25mA	3000 pcs/reel

Parameter	Symbol	Test Conditions	Min	Typical	Max	Unit
Supply Voltage	VDD	Normal Operation	2.8	12	24	V
Quiescent Current	IDD		2.0	5.0		mA
Output Low Voltage	VOUTL	IOUTL=20mA, B>BOP		200	500	mV
Output High Leakage Current	IOFF	VOUT=24V, B<BRP			0.1	A
Output Rise Time	tr	RL=820, CL=20pF			0.5	S
Output Fall Time	tf	RL=820, CL=20pF			0.5	S
Maximum Switching Frequency	FSW			10		KHz

Model	Magnetic Type	Parameter	Symbol	Min	Typical	Max	Unit
GH1881LUA/GH1881LSE	Bipolar Latching	Operating Point	BOP	25	40	50	Gauss, Gs
		Release Point	BRP	-30	-20	-10	Gauss, Gs
		Hysteresis	BHYS	10	20	30	Gauss, Gs
GH1881LSW	Bipolar Latching	Operating Point	BOP	25	40	50	Gauss, Gs
		Release Point	BRP	-30	-20	-10	Gauss, Gs
		Hysteresis	BHYS	10	20	30	Gauss, Gs

Product Applications

DC Brushless Motors
Non-contact Switches
Position Control
Safety Alarm Devices
Isolation Detection
Speed Detection

Contact Information

Marketing Service Center:
Room 506, Building 9, Huashang Times Square, No. 3599 Qixin Road, Minhang District, Shanghai, China
Tel: +86-21-34140399
Fax: +86-21-64515171

Product and Technical Support:
Room 202, MCC Block B, Maojiaqiao Road North, Xidoumen Road, Xihu District, Hangzhou, China
Tel: +86-571-88820269
Fax: +86-571-88820239
E-mail: sales@golden-chip.com.cn

Website: http://www.golden-chip.com/

1811061518_GoChip-Elec-Tech--Shanghai-GH1881_C266238.pdf

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