Ah1886, Ou tp u t vo lt age ) b, 0( magnetic flux density b ) output1 – Diodes AH1886 User Manual

Page 3

Advertising
background image

AH1886

MICROPOWER, ULTRA-SENSITIVE HALL EFFECT

SWITCH

AH1886

Document number: DS31216 Rev. 4 - 2

3 of 7

www.diodes.com

September 2010

© Diodes Incorporated

Electrical Characteristics

(T

A

= 25

°C, Vdd = 1.8V, unless otherwise specified)

Symbol

Characteristic

Conditions

Min

Typ.

Max

Unit

V

OH

Output On Voltage (High side)

I

O

= -0.5mA

Vdd-0.2

-

-

V

V

OL

Output On Voltage (Low side)

I

O

= 0.5mA

-

-

0.2

V

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

A

= 25

°C, Vdd = 1.8V~3.0V, Note 1 & 2)

(1mT=10 Gauss)

Symbol

Characteristic

Min

Typ.

Max

Unit

Bops(south pole to brand side)

Operate Point

- 37 55

Gauss

Bopn(north pole to brand side)

-55

-37

-

Brps(south pole to brand side)

Release Point

6 29 -

Brpn(north pole to brand side)

-

-29

-6

Bhy(|Bopx|-|Brpx|) Hysteresis

3

8

-

Notes:

1. Typical data is at Ta = 25

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

2. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering.

B

hy

V

sat

V

dd

(

Ou

tp

u

t

Vo

lt

age

)

B

opn

B

rpn

0

( Magnetic flux density B )

Output1

Turn on

Turn off

( off-state )

( on-state )

B

hy

V

sat

V

dd

(

Ou

tp

u

t

Vo

lt

age

)

B

rps

B

ops

0

( Magnetic flux density B )

Output1

Turn off

Turn on

( off-state )

( on-state )



Advertising