Datasheet > OH137

OH137

更新时间： 2022-04-24 14:09:54

品牌	Logo	应用领域
OHHALLSENSOR		开关
页数	文件大小	规格书
2页	148K
描述
Unipolar Hall Effect Switch IC

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OH137 数据手册

OH137

Unipolar Hall Effect Switch IC

Order Information

PN OH137

Operate temperature

-40～85℃ Package 1000pcs/bag

General Description: OH137 is a switched Hall-Effect IC which is for

contactless switching applications. The device includes an on-chip Hall

voltage generator for magnetic sensing, an amplifier that amplifies the Hall

voltage, a schmitt trigger to provide switching hysteresis for noise rejection,

and an open-collector output.

Features

Applications

4.5V to 24V DC operation voltage

Open-Collector pre-driver

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Speed measurement

Home appliances

Position detection

Flow measurement

25mA maximum sinking output current.

Reverse Polarity Protection

Absolute Maximum Ratings （T_A=25℃）

Supply VoltageV_{CC··············}4.5-24V

Output Current I_{O···················}25mA

Operating Temperature Range T_{A ···········}-40～85℃

Storage Temperature RangeT_{S ················}-55～150℃

Magnetic-electrical Transfer Characteristics

Functional Block Diagram：

V_OUT

Pin1.V_CC

V_OH

REG

B_H

Pin3.Vout

Pin2.GND

AMP

V_OL

B_OP

B_RP

Electrical Characteristics (Ta= 25°C )

Value

Parameter

Symbol

Conditions

Unit

Min Typ Max

Supply Voltage

V_CC

V_OL

4.5

Vcc=4.5V, RL=2KΩ，

Output Saturation Voltage

200

400

B≥B_OP

Output Leakage Current

Supply Current

I_OH

I_CC

t_r

Vout=Vccmax，B≤B_RP

1.0

μA

μS

V_CC=Vccmax OC output

Output Rise Time

Output Falling Time

0.12 1.20

0.14 1.40

Vcc=12V, R_L=820Ω,

C_L=20pF

t_f

Page 1

Nanjing Ouzhuo Technology co., Ltd

www.ohhall.com

www.zbling.com

Tel：86-25-52312738，86-25-83247886 FAX: 86-25-52312738

E-mail: ohhall@163.com

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