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Temperature Compensated Hall Sensor DIODES AH1751-PG-B-A with Latch Operation and Wide Voltage Range

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Temperature Compensated Hall Sensor DIODES AH1751-PG-B-A with Latch Operation and Wide Voltage Range

Operating Current : 3.5mA

Operating Temperature : -40℃~+125℃

Voltage - Supply : 3.5V~20V

Magnetic Field Range : ±7mT

Description : SIP-3 Switches (Solid State) RoHS

Mfr. Part # : AH1751-PG-B-A

Model Number : AH1751-PG-B-A

Package : SIP-3

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Product Description

The AH1751 is a single-digital-output Hall-effect sensor designed for high-temperature operation. It features an integrated Hall voltage generator, amplifier, comparator for noise rejection with switching hysteresis, and an open-collector output pre-driver. A band-gap regulator provides temperature-compensated supply voltage, allowing a wide operating supply range. The device operates as a latch: the OUT pin turns on (low) when magnetic flux density (B) exceeds the Bop threshold. It remains latched in the "on" state until B drops below the Brp threshold, at which point the OUT pin turns off. This sensor is suitable for applications such as rotor position sensing, current switches, encoders, and RPM detection.

Product Attributes

Brand: Diodes Incorporated
Status: NOT RECOMMENDED FOR NEW DESIGN (USE AH3774)
Material: "Green" Molding Compound (No Br, Sb)
Certifications: Totally Lead-free & Fully RoHS Compliant, Halogen and Antimony Free.

Technical Specifications

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	VCC	3.5		20	V	Operating (Note 4)
Operating Temperature Range	TA	-40		125	C	Operating
Output Saturation Voltage	VOUT (SAT)		200	300	mV	VCC = 12V, OUT "ON", IO = 50mA
Supply Current	ICC		3.5	6	mA	VCC = 12V, OUT "OFF"
Operation Point (South pole to brand side)	Bops	5		70	Gauss	@TA = +25C, VCC = 4V to 20V
Release Point (South pole to brand side)	Brps	-70		-	Gauss	@TA = +25C, VCC = 4V to 20V
Hysteresis	Bhy		75		Gauss	(Brpx - Bopx) @TA = +25C, VCC = 4V to 20V
Output "ON" Current	IO (sink)			100	mA	Absolute Maximum Rating
Storage Temperature Range	TST	-65		+150	C	Absolute Maximum Rating
Maximum Junction Temperature	TJ(MAX)			+150	C	Absolute Maximum Rating
Power Dissipation (SIP3)	PD			550	mW	@TA = +25C
Power Dissipation (SC59 and SC59R)	PD			230	mW	@TA = +25C

2412251151_DIODES-AH1751-PG-B-A_C842103.pdf

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