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Hall Effect Latch Sensor DIODES AH374-P-B with Open Drain Output and Wide Operating Temperature Range

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Hall Effect Latch Sensor DIODES AH374-P-B with Open Drain Output and Wide Operating Temperature Range

Operating Current : 2mA

Operation Points : 5mT

Release Points : -5mT

Operating Temperature : -40℃~+125℃

Voltage - Supply : 2.2V~20V

Description : Digital Switch Bipolar Open Drain Hall Effect SIP-3

Mfr. Part # : AH374-P-B

Model Number : AH374-P-B

Package : SIP-3

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AH374 Single Phase Hall Effect Latch

The AH374 is an integrated Hall-Effect latched sensor designed for electronic commutation of brush-less DC motor applications. It features an on-chip Hall voltage generator, a comparator for Hall voltage amplification, and a Schmitt trigger for noise rejection. The device has an open-drain output and a wide operating supply range due to an internal band-gap regulator. The output switches low when magnetic flux density exceeds the operate point (BOP) and remains low until the flux density reversal falls below the release point (BRP), at which point it switches off. The AH374 is suitable for applications such as brush-less DC motors, brush-less DC fans, revolution counting, and speed measurement.

Product Attributes

Brand: Diodes Incorporated
Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free. Green Device

Technical Specifications

Characteristic	Min	Typ	Max	Unit	Condition
Supply Voltage (VDD) Operating	2.2	-	20	V	@TA = +25C
Operating Temperature Range	-40	-	125	C	@TA = +25C
Output On Voltage (VOUT)	-	300	400	mV	IOUT = 20mA, TA = +25C, VDD = 12V
Supply Current (IDD)	-	2	4	mA	B < BRP, TA = +25C, VDD = 12V
Output Leakage Current (IOFF)	-	< 0.1	10	A	Output off, TA = +25C, VDD = 12V
Operation Point (BOP)	5	30	60	Gauss	TA = +25C, VDD = 2.5V to 20V
Release Point (BRP)	-60	-30	-5	Gauss	TA = +25C, VDD = 2.5V to 20V
Hysteresis (BHY)	-	60	-	-	\|BOPX\|-\|BRPX\|, TA = +25C, VDD = 2.5V to 20V

2304140030_DIODES-AH374-P-B_C155520.pdf

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