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Hall Effect Switch Diodes AH9247-W-7 with Internal Pull Up Resistor and Chopper Stabilized Amplifier

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Hall Effect Switch Diodes AH9247-W-7 with Internal Pull Up Resistor and Chopper Stabilized Amplifier

Sample Frequency : 15kHz

Operation Points : 3mT

Operating Current : 8uA

Release Points : 2mT

Operating Temperature : -40℃~+85℃

Output Current : 1mA

Voltage - Supply : 2.5V~5.5V

Description : SC-59 Switches (Solid State) RoHS

Mfr. Part # : AH9247-W-7

Model Number : AH9247-W-7

Package : SC-59

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Product Overview

The AH9247 is a high-sensitivity, micropower Hall-effect switch designed for battery-operated handheld equipment. It features internal pull-up resistor, chopper-stabilized amplifier for improved stability, and a sleep-awake logic to reduce average current consumption. The output latches its previous state during sleep mode, consuming only a few microamperes. It can be activated by either the north or south pole of a magnet. Available in TO92S (TYPE B), SC59, and DFN-2X2-3 packages, it is suitable for applications like cover switches, handheld wireless applications, and low duty cycle magnet switches.

Product Attributes

Brand: Diodes Incorporated
Origin: Not specified
Material: Not specified
Color: Not specified
Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)

Technical Specifications

Parameter	Conditions	Min	Typ	Max	Unit	Notes
Electrical Characteristics
Supply Voltage	Operating	2.5	3	5.5	V
Supply Current Awake			1.8	3	mA
Supply Current Sleep			4	10	A
Average Supply Current			8	15	A
Output Current				1.0	mA
Saturation Voltage	IOUT=1.0mA			0.4	V
Awake Mode Time	Operating		120		s
Sleep Mode Time	Operating		80	120	ms
Duty Cycle			0.15		%
Chopper Frequency			15		kHz
Magnetic Characteristics (TO92S TYPE B)
Operating Point (South Pole)	B>BOPS, VOUT=low	15	30	55	Gauss
Operating Point (North Pole)	B>BOPN, VOUT=low	-55	-30	-15	Gauss
Releasing Point (South Pole)	B<BRPS, VOUT=high	5	20	45	Gauss
Releasing Point (North Pole)	B<BRPN, VOUT=high	-45	-20	-5	Gauss
Hysteresis	\|BOPX - BRPX\|		10		Gauss	7
Magnetic Characteristics (SC59 and DFN-2X2-3)
Operating Point (South Pole)	B>BOPS, VOUT=low	20	30	40	Gauss
Operating Point (North Pole)	B>BOPN, VOUT=low	-40	-30	-20	Gauss
Releasing Point (South Pole)	B<BRPS, VOUT=high	5	20	32	Gauss
Releasing Point (North Pole)	B<BRPN, VOUT=high	-32	-20	-5	Gauss
Hysteresis	\|BOPX - BRPX\|		10		Gauss	7
Absolute Maximum Ratings
Supply Voltage				7	V
Supply Current (Fault)				6	mA
Output Voltage				7	V
Output Current				2	mA
Power Dissipation (TO92S TYPE B)	@TA=+25C			400	mW
Power Dissipation (SC59)	@TA=+25C			230	mW
Power Dissipation (DFN-2X2-3)	@TA=+25C			230	mW
Storage Temperature		-55		+150	C
Junction Temperature				+150	C
ESD (Human Body Model)				6000	V	5
ESD (Machine Model)				400	V	5

2304140030_DIODES-AH9247-W-7_C176937.pdf

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