OH1881 Datasheet, PDF (1/2 Pages) Nanjing Ouzhuo Technology Co., Ltd. – Hall effect Latching IC

OH1881
Hall effect Latching IC
Order Information
PN OH1881 Operate temperature
-40～125℃ Package 1000pcs/bag
General Description: OH1881Hall effect Latching Switch IC are composed of a
reverse protector, voltage regulator, Hall voltage generator, differential amplifier,
Schmitt trigger and an open-collector output on a single silicon chip. ICs can
convert the changeable magnetic field signal into digital voltage output.
Features
� High reliability
� anti-environmental stress
� Reverse Polarity Protection
� Interfacing with All Kinds of Logic Circuits
Applications
� Non-contact switch
� Speed measurement
� Position detection
� Brushless DC motor
Absolute Maximum Ratings （TA=25℃）
Supply VoltageVCC··············4.5-24V Operating Temperature Range TA ············-40～125℃
Output Current IO···················25mA Storage Temperature RangeTS ················-55～150℃
Magnetic-electrical Transfer Characteristics
VOUT
VOH
BH
Functional Block Diagram：
Pin1.VCC
REG
m ^AMP
Pin3.Vout
BRP ⁰ _BOP
B
Pin2.GND
Electrical Characteristics (Ta= 25°C )
Parameter
Symbol
Conditions
Supply Voltage
VCC
Output Saturation
Voltage
VOL
Output Leakage Current IOH
Supply Current
ICC
Output Rise Time
tr
Output Falling Time
tf
VCC=4.5V, RL=960Ω,
B≥BOP
Vo=Vccmax , B≤BRP
VCC=VCCMAX
OC OUTPUT
Vcc=12V, RL=820Ω,
CL=20pF
Value
Unit
Min Typ Max
4.5 - 24 V
- 200 400 mV
-
1 10 μA
-
6
- mA
- 0.3 1.5 μS
- 0.3 1.5 μS
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Nanjing Ouzhuo Technology co., Ltd
www.ohhall.com
Tel：86-25-52312738，86-25-83247886 FAX: [phone]
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