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S pole unipolar Hall effect switch sensor Slkor SL1254-5 with optimized circuit structure and CMOS output stage

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S pole unipolar Hall effect switch sensor Slkor SL1254-5 with optimized circuit structure and CMOS output stage

Description : SOT-553 Switches (Solid State) RoHS

Mfr. Part # : SL1254-5

Model Number : SL1254-5

Package : SOT-553

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Product Overview

The SL1254-5 is a micro-power, high-sensitivity S-pole unipolar Hall effect switch sensor. It integrates a Hall element, voltage regulator, signal amplification and processing module, dynamic offset cancellation module, and a CMOS output stage. Utilizing advanced Bi-CMOS technology and an optimized circuit structure, the SL1254-5 achieves very low input error feedback. Its dynamic offset cancellation technology effectively eliminates offset voltages caused by packaging stress, thermal stress, and temperature gradients, enhancing device consistency. Packaged in a miniaturized SOT-553 surface-mount package, this device offers high performance and market advantages. It operates within a temperature range of -20C to 85C and is suitable for applications such as brushless motors, instrumentation, PDAs, and laptop computers.

Product Attributes

Brand: SLKormicro (implied from website URL)
Package Type: SOT-553

Technical Specifications

Parameter	Symbol	Test Condition	Min	Typical	Max	Unit
Electrical Characteristics (Unless otherwise specified, Ta=25, Vdd=3.0V)
Supply Voltage	VDD		2.0	-	5.5	V
Output High Voltage	VOH	IOUT=0.5mA	VDD-0.2	-	-	V
Output Low Voltage	VOL	IOUT=0.5mA	-	-	0.2	V
Average Quiescent Current	IDD(average)	VOUT pin floating	-	2.4	-	uA
Enable State Current	IDD(EN)		-	1.0	2	mA
Disable State Current	IDD(dis)		-	1.4	-	uA
Output Source Current	IOUT(SOURCE)		-	-	0.5	mA
Output Sink Current	IOUT(SINK)		-	-	0.5	mA
Wake-up Time	Tawake		-	24	100	us
Scan Period	Tperiod		-	50	-	ms
Magnetic Characteristics
Operating Point	BOP	25	20	30	50	Gauss
Release Point	BRP	25	6	21	-	Gauss
Hysteresis	BHYS	25	-	9	-	Gauss
Absolute Maximum Ratings
Supply Voltage	VDD		-0.3	-	6	V
Magnetic Field Strength	B		Unlimited	-	-	Gauss
Operating Ambient Temperature	TA		-40	-	150
Storage Ambient Temperature	Ts		-50	-	160
ESD (HBM)			-	4000	-	V

Key Features

Wide operating range: 2~5V
Micro-power consumption
Fast response speed: 20Hz operating frequency
Unipolar
Good temperature stability
ESD (HBM) 4000V
Small size package
Applicable to brushless motors, instrumentation, PDAs, laptop computers

2512221630_Slkor-SL1254-5_C53207130.pdf

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