Diodes AH1891 Manuel d'utilisateur télécharger pdf (Page 3)

AH1891

MINIATURE MICROPOWER OMNIPOLAR

HALL EFFECT SWITCH

AH1891

Document number: DS35207 Rev. 1 - 2

3 of 7

www.diodes.com

April 2011

NEW PRODUCT

Electrical Characteristics (T

= 25°C, Vdd

= 1.8V, unless otherwise specified)

Symbol Parameter Conditions Min Typ. Max Unit

Output On Voltage (High side) I

= -0.5mA Vdd-0.2 - - V

Output On Voltage (Low side) I

= 0.5mA - - 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 - %

Magnetic Characteristics (T

= 25°C, Vdd = 1.8V~3.3V, Note 1)

(1mT=10 Gauss)

Symbol

Paramete

(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: 1. Typical data is at T

= 25°C, Vdd = 3V, and for design information only.

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

1 2 3 4 5 6 7

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Diodes AH1891 Manuel d'utilisateur Page 3

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