ATS137(2007) データシートの表示（PDF） - Diodes Incorporated.

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ATS137
(Rev.:2007)

SINGLE HALL EFFECT SWITCH

Diodes Incorporated. 

ATS137

SINGLE HALL EFFECT SWITCH

Application Information

Operating principle:

ATS137 is a three-pin 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 an electrical one by Hall effect. The illustrations are shown in Fig.1.

VO

VCC

Bhys

Turn Off

Turn On

Magnet

S

Vce(SAT)

Brp

Bop

Magnetic Flux

(Gauss)

Electrical

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.

3.5 V ~20V

VCC

RL

ATS137

VSS

DO

Isink

Vo

Digital Output

Fig.2 Application Circuit

ATS137 Rev. 4

5 of 10

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FEBRUARY 2007

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