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AH1822

MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH

Diodes Incorporated. 

AH1822

MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR

SWITCH

Electrical Characteristics (TA = +25°C, Vdd = 3V; unless otherwise specified)

Symbol

Characteristic

Conditions

Min Typ. Max Unit

Vout Output On Voltage

Ioff Output Leakage Current

Idd(en)

Idd(en)

Idd(dis)

Idd(dis) Supply Current

Idd(avg)

Idd(avg)

FC

Tawake

Tperiod

D.C.

Chopping Frequency

Awake Time

Period

Duty Cycle

Iout=1mA

Vout=5.5V, Output off

Chip enable , TA= 25°C , Vdd = 3V

Chip enable , TA= -40~85°C ,

Vdd = 2.5~5.5V

Chip disable , TA= 25°C , Vdd = 3V

Chip disable , TA= -40~85°C ,

Vdd = 2.5~5.5V

Average supply current ,

TA= 25°C , Vdd = 3V

Average supply current ,

TA= -40~85°C , Vdd = 2.5~5.5V

For design information only

(Note 5)

(Note 5)

⎯ 0.1 0.3

V

⎯ <0.1 1

µA

⎯

3

6

mA

⎯

3

10 mA

⎯

5

10 µA

⎯

5

18 µA

⎯

8

16 µA

⎯

8

28 µA

⎯ 300 ⎯ KHz

⎯ 75 150 µs

⎯ 75 150 ms

⎯ 0.1

⎯

%

Notes: 5. When power is initially on, the operating Vdd (2.5V to 5.5V) must be applied to be guaranteed for the output sampling. The output state is valid

after the second operating phase (typical 150ms).

Idd(en)

Tperiod

Tawake

Idd (dis)

0

Sample and output

latched

AH1822 Rev. 5

4 of 9

www.diodes.com

FEBRUARY 2009

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