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Diodes ah3774 w 7 hall effect latch ic featuring chopper stabilization and robust output protection

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Diodes ah3774 w 7 hall effect latch ic featuring chopper stabilization and robust output protection

Current - Supply : 3mA

Operating Temperature : -40℃~+125℃

Voltage - Supply : 3V~28V

Description : SC-59 Linear, Compass (ICs) RoHS

Mfr. Part # : AH3774-W-7

Model Number : AH3774-W-7

Package : SC-59

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Product Overview

The AH3774 is a high-voltage, high-sensitivity Hall-effect latch IC designed for commutation of brushless DC motors, flow meters, linear encoders, and position sensors. It is optimized for a wide supply voltage range of 3.0V to 28V and features chopper stabilization for superior temperature stability and minimal switch point drift. The device offers robustness with reverse blocking diode and Zener clamp on the supply, along with an overcurrent limit and Zener clamp on the output. The single open-drain output switches on with a South Pole and off with a North Pole of sufficient strength.

Product Attributes

Brand: Diodes Incorporated
Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free. Green Device
Note: The AH3774 is NOT RECOMMENDED FOR NEW DESIGNS. PLEASE USE THE AH3724.

Technical Specifications

Parameter	Conditions	Min	Typ	Max	Unit
Supply Voltage (VDD)	Operating	3.0		28	V
Operating Temperature Range		-40		+125	C
Output On Voltage (VOUT_ON)	IOUT = 20mA, B > Bop		0.2	0.4	V
Output Leakage Current (IOUT_OFF)	VOUT = 28V, B < Brp, Output Off		< 0.1	10	A
Supply Current (IDD)	Output Open, TA = +25C		3		mA
Supply Current (IDD)	Output Open, TA = -40C to +125C			4	mA
Device Startup Time (tST)	VDD 3V, B > Bop		10		s
Chopping Frequency (fC)	VDD 3V		800		kHz
Output Current Limit (IOCL)	B > Bop	30		55	mA
Operation Point (Bop)	VDD = 12V, TA = +25C		40		Gauss
Operation Point (Bop)	TA = -40C to +125C	20	40	60	Gauss
Release Point (Brp)	VDD = 12V, TA = +25C		-40		Gauss
Release Point (Brp)	TA = -40C to +125C	-60	-40	-20	Gauss
Hysteresis (Bhy)	VDD = 12V, TA = +25C		80		Gauss
Hysteresis (Bhy)	TA = -40C to +125C	40	80	120	Gauss
ESD (HBM)			6		kV

2412251151_DIODES-AH3774-W-7_C842077.pdf

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