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Hall Effect latch IC DIODES AH3775-SA-7 with reverse blocking diode and Zener clamp protection features

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Hall Effect latch IC DIODES AH3775-SA-7 with reverse blocking diode and Zener clamp protection features

Current - Supply : 2.7mA

Operating Temperature : -40℃~+125℃

Voltage - Supply : 3V~28V

Magnetic Field Range : ±9mT

Description : SOT-23 Linear, Compass (ICs) RoHS

Mfr. Part # : AH3775-SA-7

Model Number : AH3775-SA-7

Package : SOT-23

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Product Overview

The AH3775 is a high-voltage, medium-sensitivity Hall Effect latch IC designed for applications such as brushless DC motor commutation, flow meters, linear encoders, and position sensors in industrial and consumer home appliances. It operates over a wide supply range of 3.0V to 28V and features chopper stabilization for temperature compensation and reliability. The device includes protection mechanisms like a reverse blocking diode with a Zener clamp on the supply and an overcurrent limit with a Zener clamp on the output. The single, open-drain output latches on with a sufficient South pole and off with a sufficient North pole.

Product Attributes

Brand: Diodes Incorporated
Document Number: DS37900
Revision: 1 - 2
Date: September 2015
Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)

Technical Specifications

Characteristic	Value	Unit	Conditions
Operating Voltage Range	3.0 to 28	V
Operating Temperature Range	-40 to +125	C
Medium Sensitivity (Typical)	BOP: +70, BRP: -70	Gauss	TA = +25C, VDD = 12V
Output ON Voltage (Max)	0.4	V	IOUT = 20mA, B > BOP
Output Leakage Current (Max)	10	A	VOUT = 28V, B < Brp, Output off
Supply Current (Typical)	2.7	mA	Output open, TA = +25C
Supply Current (Max)	4	mA	Output open, TA = -40C to +125C
Reverse Battery Current (Max)	1.5	mA	VDD = -28V, TA = -40C to +125C
Device Start-up Time (Typical)	10	s	VDD >= 3V, B > Bop
Chopping Frequency	800	kHz	VDD = 3V to 28V
Time Delay (Magnetic threshold to output change)	3.75	s	Guaranteed by design
Output Rising Time (Typical)	0.2	s	RL =1k, CL = 20pF
Output Falling Time (Typical)	0.1	s	RL =1k, CL = 20pF
Output Current Limit (Range)	30 - 55	mA	B > BOP
Zener Clamp Voltage	28	V	IDD = 5mA
Hysteresis (Typical)	140	Gauss	VDD = 12V, TA = +25C
Hysteresis (Max)	180	Gauss	TA = -40C to +125C
ESD Withstand Capability (HBM)	6	kV
Package Power Dissipation (SIP-3)	550	mW
Package Power Dissipation (SC59 and SOT23)	230	mW
Storage Temperature Range	-65 to +165	C
Maximum Junction Temperature	+150	C

2210281000_DIODES-AH3775-SA-7_C842137.pdf

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