AH1802(2007) Ver la hoja de datos (PDF) - Diodes Incorporated.
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AH1802
(Rev.:2007)
(Rev.:2007)
Diodes Incorporated.
AH1802 Datasheet PDF : 7 Pages
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AH1802
MICROPOWER, ULTRA-SENSITIVE OMNIPOLAR
HALL-EFFECT SENSOR SWITCH
Electrical Characteristics ( TA = +25°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, Output off
- <0.1 1
µA
Idd(en)
Idd(dis)
Supply Current
Idd(avg)
Tawake
Tperiod
D.C.
Awake Time
Period
Duty Cycle
Chip enable, TA = 25°C, Vdd = 3V
-
Chip enable, TA = -40~85°C, Vdd = 2.5~5.5V -
Chip disable, TA = 25°C, Vdd = 3V
-
Chip disable, TA = -40~85°C, Vdd = 2.5~5.5V -
Average supply current,
TA = 25°C, Vdd = 3V
-
Average supply current,
TA = -40~85°C, Vdd = 2.5~5.5V
-
-
-
-
3
6
mA
3
9
mA
5
10 µA
5
14 µA
8
16 µA
8
23 µA
75 125 µs
75 125 ms
0.1
-
%
Magnetic Characteristics (TA = 25°C, Vdd = 3V, Note 5,6)
Symbol
Characteristic
Min
Bops(south pole to brand side)
20
Operate Point
Bopn(north pole to brand side)
-40
Brps(south pole to brand side)
10
Release Point
Brpn(north pole to brand side)
-
Bhy( Bopx − Brpx )
Hysteresis
5
Note:
5. Typical data is at TA = 25°C, Vdd = 3V, and for design information only.
6. Operating point and release point will vary with supply voltage and operating temperature.
Output
Output
Typ
28
-28
20
-20
8
(1mT=10 Gauss)
Max
Unit
40
-20
-
Gauss
-10
-
Vcc ( off-state )
Turn on
Bhy
Turn off
( on-state )
Vsat
Bopn Brpn 0
( Magnetic flux density B )
( off-state ) Vcc
Turn off
Bhy
Turn on
Vsat
( on-state )
0 Brps Bops
( Magnetic flux density B )
AH1802 Rev. 2
4 of 7
www.diodes.com
JULY 2007
© Diodes Incorporated
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