AH1891

MINIATURE MICROPOWER OMNIPOLAR

HALL EFFECT SWITCH

AH1891

Document number: DS35207 Rev. 1 - 2

3 of 7

www.diodes.com

April 2011

© Diodes Incorporated

Symbol

Parameter

Conditions

Min

Typ.

Max

Unit

Output On Voltage (High side)

Vdd-0.2

-

-

V

Output On Voltage (Low side)

-

-

0.2

V

Ioff

Output Leakage Current

Output off

-

<

0.1

1

µA

Idd(en)

Supply Current

Chip enable

-

2

4

mA

Idd(dis)

Chip disable

-

5

8

uA

Idd(avg)

Average supply current

-

7

12

uA

Tawake

Awake Time

-

50

100

µs

Tperiod

Period

-

50

100

ms

D.C.

Duty Cycle

-

0.1

-

%

(1mT=10 Gauss)

Symbol

Parameter

(Note 2)

Min

Typ.

Max

Unit

Bops(south pole to brand side)

Operate Point

20

40

60

Gauss

Bopn(north pole to brand side)

-60

-40

-20

Brps(south pole to brand side)

Release Point

12

25

50

Brpn(north pole to brand side)

-50

-25

-12

Bhy(|Bopx|-|Brpx|)

Hysteresis

15

Notes:

2. Operate point and release point will vary with supply voltage and operating temperature.