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PDF OH137 Data sheet ( Hoja de datos )

Número de pieza OH137
Descripción Unipolar Hall Effect Switch IC
Fabricantes Nanjing Ouzhuo Technology 
Logotipo Nanjing Ouzhuo Technology Logotipo



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OH137
Unipolar Hall Effect Switch IC
Order Information
PN OH137
Operate temperature -4085Package 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
4.5V to 24V DC operation voltage
Open-Collector pre-driver
25mA maximum sinking output current.
Reverse Polarity Protection
Absolute Maximum Ratings TA=25℃)
Applications
Speed measurement
Home appliances
Position detection
Flow measurement
Supply VoltageVCC··············4.5-24V Operating Temperature Range TA ···········-4085
Output Current IO···················25mA
Storage Temperature RangeTS ················-55150
Magnetic-electrical Transfer Characteristics
VOUT
VOH
Functional Block Diagram
Pin1.VCC
BH REG
mAMP
VOL
Pin3.Vout
0 BRP BOP B
Electrical Characteristics (Ta= 25°C )
Parameter
Symbol
Conditions
Pin2.GND
Value
Unit
Min Typ Max
Supply Voltage
Output Saturation Voltage
Output Leakage Current
Supply Current
VCC
VOL
IOH
ICC
Vcc=4.5V, RL=2KΩ
B≥BOP
Vout=VccmaxB≤BRP
4.5 - 24 V
- 200 400 mV
- 1.0 10 μA
VCC=Vccmax OC output - 3 5 mA
Output Rise Time
tr
Vcc=12V, RL=820Ω,
- 0.12 1.20 μS
Output Falling Time
tf
CL=20pF
- 0.14 1.40 μS
Page 1
Nanjing Ouzhuo Technology co., Ltd
www.ohhallsensor.com
Tel86-25-83247886FAX: 86-25-52312738 E-mail: [email protected]
www.zbling.com

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