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
Absolute Maximum Ratings (T
A
= 25?/SPAN>C)
S mbol
Characteristics
alues
Unit
Vdd
Supply Voltage
7
V
B
Magnetic Flux Density
Unlimited
Ts
Storage Temperature Range
-65 to +150
癈
P
D
Package Power Dissipation
230
mW
T
J
Maximum Junction Temperature
150
癈
Recommended Operating Conditions (T
A
= 25?/SPAN>C)
Symbol
Parameter
Conditions
Rating
Unit
Vdd
Supply Voltage
Operating
2.5 to 5.5
V
T
A
Operating Temperature Range
Operating
-40 to +85
癈
Electrical Characteristics (T
A
= 25?/SPAN>C, Vdd = 3V; unless otherwise specified)
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
礎
Idd(en)
Supply Current
Chip enable, T
A
= 25癈, Vdd = 3V
-
3
6
mA
Chip enable, T
A
= -40~85癈,
Vdd = 2.5~5.5V
-
3
10
mA
Idd(dis)
Chip disable, T
A
= 25癈, Vdd = 3V
-
5
10
礎
Chip disable, T
A
= -40~85癈,
Vdd = 2.5~5.5V
-
5
18
礎
Idd(avg)
Average supply current ,
T
A
= 25癈, Vdd = 3V
-
8
16
礎
Average supply current ,
T
A
= -40~85癈, Vdd = 2.5~5.5V
-
8
23
礎
F
C
Chopping Frequency
For design information only
-
300
-
KHz
Tawake Awake Time
(Note 3)
-
75
150
祍
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
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