參數(shù)資料
型號: ATS137-WL-B
廠商: DIODES INC
元件分類: 磁阻傳感器
英文描述: MAGNETIC FIELD SENSOR-HALL EFFECT, 1-13mT, 300-700mV, RECTANGULAR, SURFACE MOUNT
封裝: LEAD FREE, SOT23-3
文件頁數(shù): 4/9頁
文件大?。?/td> 305K
代理商: ATS137-WL-B
Single Hall Effect Switch
ATS137
Anachip Corp.
www.anachip.com.tw
Rev.1.2 Mar. 29, 2006
4/9
ATC
Magnetic Characteristics (Ta=25oC, V
CC=14V)
(1mT=10Gauss)
A grade
Parameter
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Bop
-
100
Gauss
Release point
Brp
10
-
Gauss
Hysteresis
Bhys
-
80
-
Gauss
B grade (for SIP3 only)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Bop
-
130
Gauss
Release point
Brp
10
-
Gauss
Hysteresis
Bhys
-
80
-
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
Vce(sat)
Vcc
magnetic flux
(Gauss)
Turn on
Turn off
hys
B
op
B
rp
B
Magnet
electrical
S
Marking
side
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.
ATS
137S
3.5V ~20V
Digital Output
Vcc
DO
Vss
Vo
L
R
sink
I
Fig.2 Application circuit
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