Data sheet, Electrical characteristics – Diodes AH9249 User Manual

Page 5

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Data Sheet

High Sensitivity Micropower Omnipolar Hall-Effect Switch AH9249

Jul. 2011 Rev. 1. 6 BCD Semiconductor Manufacturing Limited

5

Electrical Characteristics

V

CC

=3V, T

A

=25°C, unless otherwise specified.

Parameter Symbol

Conditions

Min

Typ

Max

Unit

Supply Voltage

V

CC

Operating

2.5

3

5.5

V

I

AW

Awake

2

4

mA

I

SL

Sleep

6

10

μA

Supply Current

I

AVG

Average

10

15

μA

Output Current

I

OUT

1.0 mA

Output Leakage Current

I

LEAK

B<︱B

RP

<0.1 1

μA

Saturation Voltage

V

SAT

I

OUT

=1.0mA

0.4

V

Awake Mode Time

t

AW

Operating

150

μs

Sleep Mode Time

t

SL

Operating

90 120 ms

Duty Cycle

D

0.15

%

Chopper Frequency

f

C

15

kHz





Magnetic Characteristics (Note 3)

V

CC

=3V, T

A

=25°C, unless otherwise specified.

Parameter Symbol

Conditions

Min

Typ

Max

Unit

B

OPS

South pole to branded side
B>B

OPS

,V

OUT

=low (output on)

30

55

Gauss

Operating Point

B

OPN

North pole to branded side
B>B

OPN

,V

OUT

=low (output on)

-55 -30 Gauss

B

RPS

South pole to branded side
B<B

RPS

,V

OUT

=high (output off)

5 20

Gauss

Releasing Point

B

RPN

North pole to branded side
B<B

RPN

,V

OUT

=high (output off)

-20 -5

Gauss

Hysteresis B

HYS

︱B

OPX

- B

RPX

︱(Note 4)

10

Gauss


Note 3: The specifications stated here are guaranteed by design. 1 Gauss=0.1Mt.
Note 4: B

OPX

=operating point (output turns on); B

RPX

=releasing point (output turned off).




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