ATS137 データシートの表示（PDF） - Anachip Corporation
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ATS137 Datasheet PDF : 8 Pages
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Single Hall Effect Switch
Magnetic Characteristics (Ta=25oC)
A grade
Parameter
Operate Point
Release point
Hysteresis
B grade (for SIP3 only)
Parameter
Operate Point
Release point
Hysteresis
Symbol
Bop
Brp
Bhys
Symbol
Bop
Brp
Bhys
ATC
ATS137
Min.
-
10
-
Min.
-
10
-
Typ.
-
-
80
Typ.
-
-
80
(1mT=10Gauss)
Max.
100
-
-
Unit
Gauss
Gauss
Gauss
Max.
130
-
-
Unit
Gauss
Gauss
Gauss
Application Information
-Operating principle
ATS137 is a three pins Hall Effect switch IC which can turn magnetic flux variety to digital output signal. In
other words, it is an interface from magnetic system to electrical one by Hall effect. The illustrations are shown
in Fig.1.
Vo
Vcc
Bhys
Turn off
Turn on
Magnet
S
Marking
side
Vce(sat)
Brp
Bop
magnetic flux
(Gauss)
electrical
Fig.1 Hall-effect switch
Output driver is open-collector topology and maximum sink current (Isink) is 25mA. The illustrated circuit is
shown as Fig.2.
3.5V ~20V
Anachip Corp.
www.anachip.com.tw
Vcc
RL
ATS
137S
Vss
DO
Isink
Vo
Digital Output
Fig.2 Application circuit
4/8
Rev.1.1 Jan. 09, 2006
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