Ah1891, Miniature micropower omnipolar hall effect switch, New prod uc t electrical characteristics – Diodes AH1891 User Manual
Page 3: Magnetic characteristics
AH1891
MINIATURE MICROPOWER OMNIPOLAR
HALL EFFECT SWITCH
AH1891
Document number: DS35207 Rev. 1 - 2
3 of 7
April 2011
© Diodes Incorporated
NEW PROD
UC
T
Electrical Characteristics
(T
A
= 25
°C, Vdd
= 1.8V, unless otherwise specified)
Symbol
Parameter
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
Ioff
Output Leakage Current
Output off
-
<
0.1
1 µA
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~3.3V, Note 1)
(1mT=10 Gauss)
Symbol
Parameter
(Note 2)
Min
Typ.
Max
Unit
Bops(south pole to brand side)
Operate Point
20 40 60
Gauss
Bopn(north pole to brand side)
-60
-40
-20
Brps(south pole to brand side)
Release Point
12 25 50
Brpn(north pole to brand side)
-50
-25
-12
Bhy(|Bopx|-|Brpx|) Hysteresis
15
Notes:
1. Typical data is at T
A
= 25
°C, Vdd = 3V, and for design information only.
2. Operate point and release point will vary with supply voltage and operating temperature.