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Surface mount hall effect switch ALLEGRO A3214ELHLT-T ultra sensitive pole independent latched digital output

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Surface mount hall effect switch ALLEGRO A3214ELHLT-T ultra sensitive pole independent latched digital output

Operating Current : 6uA

Operating Temperature : -40℃~+85℃

Voltage - Supply : 2.4V~5.5V

Description : SOT-23W Switches (Solid State) RoHS

Mfr. Part # : A3214ELHLT-T

Model Number : A3214ELHLT-T

Package : SOT-23W

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Product Overview

The A3213 and A3214 are ultra-sensitive, pole-independent Hall-effect switches with a latched digital output, designed for low-power, battery-operated equipment. They offer superior reliability and ease of manufacturing by replacing reed switches, eliminating the need for signal conditioning. Their chopper stabilization technology ensures improved stability and reduced offset voltage.

Product Attributes

Brand: Allegro MicroSystems, LLC
Certifications: AEC-Q100 automotive qualified
Material: Advanced BiCMOS processing
Lead Finish: 100% matte-tin-plated leadframe
Packaging: SOT23W (LH), SIP (UA)
Origin: Worcester, Massachusetts, U.S.A.

Technical Specifications

Part Number	Mounting	Ambient TA (C)	DC (%)	IDD(AVG)(typ) (A)	Operating Voltage (V)	Max Junction Temp (C)	Package
A3213ELHLT-T	Surface Mount	40 to 85	25	309	2.4 to 5.5	165	LH (SOT23W)
A3213EUA-T	SIP through hole	40 to 150	25	309	2.4 to 5.5	165	UA (SIP)
A3214ELHLT-T	Surface Mount	40 to 85	0.10	6	2.4 to 5.5	165	LH (SOT23W)
A3214EUA-T	SIP through hole	40 to 150	0.10	6	2.4 to 5.5	165	UA (SIP)

Characteristic	Symbol	Test Conditions	Min.	Typ. [5]	Max.	Units
Operate Point (South Pole)	BOPS	South pole to branded side		42	70	G
Operate Point (North Pole)	BOPN	North pole to branded side	70	48		G
Release Point (South Pole)	BRPS	South pole to branded side	10	32		G
Release Point (North Pole)	BRPN	North pole to branded side		38	10	G
Hysteresis	Bhys	\|BOPx - BRPx\|		10		G
Supply Voltage Range	VDD	Operating	2.4	3.0	5.5	V
Output Leakage Current	IOFF	VOUT = 5.5 V, BRPN < B < BRPS		<1.0	1.0	A
Output On Voltage	VOUT(ON)	Output on, IOUT = 1 mA, VDD = 3.0 V		100	300	mV
Awake Time	tawake			60	90	s
Period	tperiod (A3213)			240	360	s
Period	tperiod (A3214, TA = 25C, VDD = 3 V)			60	90	ms
Duty Cycle (A3213)	DC			25		%
Duty Cycle (A3214)	DC			0.10		%
Supply Current (Chip awake)	IDD(EN)	Chip awake (enabled)			2.0	mA
Supply Current (Chip asleep)	IDD(DIS)	Chip asleep (disabled)			8.0	A
Average Supply Current (A3213)	IDD(AVG)			309	850	A
Average Supply Current (A3214)	IDD(AVG)			6	22	A

2304140030_ALLEGRO-A3214ELHLT-T_C146405.pdf

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