AH1802

MICROPOWER, ULTRA-SENSITIVE OMNIPOLAR

HALL-EFFECT SENSOR SWITCH

AH1802

Document number: 31170 Rev. 8 - 2

3 of 11

www.diodes.com

December 2010

© Diodes Incorporated

Symbol

Characteristics

Values

Unit

Vdd

Supply Voltage

7

V

B

Magnetic Flux Density

Unlimited

Ts

Storage Temperature Range

-65 to +150

°C

Package Power Dissipation

230

mW

Maximum Junction Temperature

150

°C

Symbol

Parameter

Conditions

Rating

Unit

Vdd

Supply Voltage

Operating

2.5 to 5.5

V

Operating Temperature Range

Operating

-40 to +85

°C

Symbol

Characteristic

Conditions

Min

Typ.

Max

Unit

Vout

Output On Voltage

Iout=1mA

-

0.1

0.3

V

Ioff

Output Leakage Current

Vout=5.5V, B < Brp

-

<

0.1

1

µA

Idd(en)

Supply Current

-

3

6

mA

Vdd = 2.5~5.5V

-

3

10

mA

Idd(dis)

-

5

10

µA

Vdd = 2.5~5.5V

-

5

18

µA

Idd(avg)

Average supply current ,

-

8

16

µA

Average supply current ,

-

8

23

µA

Chopping Frequency

For design information only

-

300

-

KHz

Tawake

Awake Time

(Note 3)

-

75

150

µs

Tperiod

Period

(Note 3)

-

75

150

ms

D.C.

Duty Cycle

-

0.1

-

%

Notes:

3. When power is initially turned on, Vdd must be within its correct operating range (2.5V to 5.5V) to guaranteed the output sampling.

The output state is valid after the second operating cycle (typical 150ms).

Idd (dis)

Idd(en)

Tawake

Tperiod

0

Sample and output

latched