OH177 [OHHALLSENSOR]
Bipolar Hall Effect Switch IC; 双极霍尔效应开关IC
| 型号： | OH177 |
| 厂家： | 
Nanjing Ouzhuo Technology Co., Ltd. |
| 描述： | Bipolar Hall Effect Switch IC |
| 文件： | 总2页 (文件大小：153K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
OH177
Bipolar Hall Effect Switch IC
Order Information
PN OH177
Operate temperature
-40～85℃ Package 1000pcs/bag
General Description: OH177 bipolar Ic 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.
Applications
Features
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Position detection
Flow measurement
CPU FAN
4.5V to 24V DC operation voltage
Open-Collector pre-driver
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25mA maximum sinking output current.
Reverse Polarity Protection
Functional Block Diagram：
Pin1.VCC
Absolute Maximum Ratings （TA=25℃）
Supply VoltageVCC··············4.5-24V
Output Current IO···················20mA
REG
Pin3.Vout
Pin2.GND
Operating Temperature Range TA ·············-40～85℃
Storage Temperature RangeTS ················-55～150℃
AMP
m
Magnetic-electrical Transfer Characteristics
VOUT
VOH
BH
VOUT
VOUT
VOH
BH
VOH
BH
VOL
BOP
0
0
BRP
B
BRP
BRP
0
BOP
B
BOP
B
Electrical Characteristics (Ta= 25°C )
Value
Min Typ Max
Parameter
Symbol
Conditions
Unit
Supply Voltage
VCC
VOL
4.5
-
-
24
V
Vcc=4.5V, RL=2KΩ，
Output Saturation Voltage
200
400
mV
B≥BOP
Output Leakage Current
Supply Current
IOH
ICC
tr
Vout=Vccmax，B≤BRP
-
-
-
-
1.0
3
10
5
μA
mA
μS
μS
VCC=Vccmax OC output
Output Rise Time
Output Falling Time
0.12 1.20
0.14 1.40
Vcc=12V, RL=820Ω,
CL=20pF
tf
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
OH177
Bipolar Hall Effect Switch IC
Magnetic Characteristics (Ta= 25°C ) (1mT = 10 Gauss)
Value
Parameter
symbol
Unit
Min
5
Typ
Max
10
4
Operate Point
Release Point
Hysteresis
BOP
BRP
BH
-
-
mT
mT
mT
-1
-
6
-
Test Circuit for Reference：
Vcc
Pin Descriptions：1.VCC 2. GND 3.Vout
Caution:
1)when installing, please minimize mechanical
stress on the IC shell and leads.
2)Welding temperature should be lower than 260
℃, less than 3 seconds.
Vout
RL
CL
3)IC is OC output, so a pull-up resistor connected
pin 1 (power) and pin 3 (output) is necessary.
RL=820Ω
CL=20 pF
Dimension（unit:mm)
Page 2
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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