Diodes AH1886 Manuel d'utilisateur télécharger pdf (Page 3)

AH1886

MICROPOWER, ULTRA-SENSITIVE HALL EFFECT

SWITCH

AH1886

Document number: DS31216 Rev. 4 - 2

3 of 7

www.diodes.com

September 2010

Electrical Characteristics (T

= 25°C, Vdd = 1.8V, unless otherwise specified)

Symbol Characteristic 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

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~3.0V, 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.

sat

(

Output

Voltage

)

opn

rpn

( Magnetic flux density B )

Output1

Turn on

Turn off

( off-state )

( on-state )

sat

(

Output

Voltage

)

rps

ops

( Magnetic flux density B )

Output1

Turn off

Turn on

( off-state )

( on-state )

1 2 3 4 5 6 7

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Diodes AH1886 Manuel d'utilisateur Page 3

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