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AH183W (Not Recommended for new design)

NRND = Not Recommended for New Design

Fast Response Unipolar Hall Effect Switch

Datasheet

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Description

AH182/AH183 is a three-terminal Hall effect sensor device with an output driver, mainly designed for battery–operation, hand-held equipment (such as cellular and cordless phones, and PDA’s) The total operation power is down to 15uW in the 2.75V supply. The south pole of sufficient strength will turn the output on in SIP-3L but the north pole of sufficient strength will turn the output on in SC59 package. The output will be turned off under no magnetic field. While the magnetic flux density (B) is larger than operation point (Bop), the output will be turned on (low), the output is held until B is lower than the release point (Brp), then turned off. The difference between AH182 and AH183 is that the former consumes less power than that of the latter in the Hall sensor operation.

Feature(s)

Micropower operation

2.5V to 5.5V battery operation

Offset Canceling Technology

Superior temperature stability

Extremely Low Switch-Point Drift

Insensitive to Physical Stress

-40°C to 85°C operating temperature

Lead Free packages: SIP-3L and SC59 (Commonly known as SOT23 in Asia)

SC59: Available in “Green” Molding Compound (No Br, Sb)

Lead Free Finish / RoHS Compliant

Application(s)

Cover detector

Speed measurement

Home safety

Product Specifications

Product Parameters

Active Output State (B > Bop)	Low
AEC Qualified	No
Compliance (Only Automotive supports PPAP)	No
Average Supply Current (µA)	0.28
Average Supply Current (mA)	0.28
Compliance (Only Automotive supports PPAP)	Standard
Compliance(Only Automotive supports PPAP)	Standard
Inactive Output State (B < Brp)	High-Z
Max Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss)	60
Min Release Point Brp (Brps +ve/ Brpn -ve) (Gauss)	10
Operating Ambient Temperature (°C)	-40 to 85
Operating Ambient Temperature (°C)	-40 to 85
Operating Point Bop (Bops +ve/ Bopn -ve) Gauss (Max)	60
Operating Point Bop (Bops +ve/ Bopn -ve) Gauss (Min)	N/A
Operating Point Bop (Bops +ve/ Bopn -ve) Gauss (Typ)	40
Operating Voltage (V)	2.5 to 5.5
Operating Voltage (V)	2.5 to 5.5
Output Type	Open Drain
Outputs	Single
AEC Qualified	No
Release Point Brp (Brps +ve/Brpn -ve) Gauss (Min)	10
Release Point Brp (Brps +ve/Brpn -ve) Gauss (Typ)	30
Typ Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss)	40
Typ Release Point Brp (Brps +ve/ Brpn -ve) (Gauss)	30
Type	Unipolar