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AH1822

MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH

Diodes Incorporated. 

AH1822

MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR

SWITCH

Magnetic Characteristics (TA=25°C, Vdd=3V, Note 6, 7)

Symbol

Characteristic

Min

Bops(south pole to brand side)

Bopn(north pole to brand side)

Operate Point

-

-55

Brps(south pole to brand side)

Brpn(north pole to brand side)

Release Point

10

-

Bhy( Bopx − Brpx )

Hysteresis

5

Typ.

28

-28

20

-20

8

Notes: 6. Typical data is at Ta = 25°C, Vdd = 3V, and for design information only.

7. Operating point and release point will vary with supply voltage and operating temperature.

Output

Output

(1mT=10 Gauss)

Max

Unit

55

-

-

Gauss

-10

-

Vcc ( off-state )

Turn on

Bhy

Turn off

( on-state )

Vsat

Bopn Brpn 0

( Magnetic flux density B )

( off-state ) Vcc

Turn off

Bhy

Turn on

Vsat

( on-state )

0 Brps Bops

( Magnetic flux density B )

Performance Characteristics

TA (°C) 25 50 60 70 80 85 90 100 110 120 130 140 150

PD (mW) 230 184 166 147 129 120 110 92 74 55 37 18 0

PD (m W )

300

P ow er D issipation C urve

200

100

0

0

25

50

75 85 100

125

150

TA (。 C )

AH1822 Rev. 5

5 of 9

www.diodes.com

FEBRUARY 2009

© Diodes Incorporated

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