General Description: OH41A Hall effect Latching Switch ICs 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
good temperature performance
anti-environmental stress
Reverse Polarity Protection
Absolute Maximum Ratings TA=25
Supply VoltageVCC··············4.5-24V Operating Temperature Range TA ···············-40150
Output Current IO···················25mA Storage Temperature RangeTS ················-65150
Electrical Characteristics (Ta= 25°C )
Parameter Symbol Conditions
Value
Unit
Min Typ Max
Supply Voltage VCC 4.5 - 24 V
Output Saturation
Voltage
VOL
VCC=4.5V, RL=960Ω,
B≥BOP
- 200 400 mV
Output Leakage Current IOH Vo=Vccmax , B≤BRP - 0.1 10 μA
Supply Current ICC
VCC=VCCMAX
OC OUTPUT
- - 4 mA
Output Rise Time tr Vcc=12V, RL=820Ω,
CL=20pF
- 0.3 1.5 μS
Output Falling Time tf - 0.3 1.5 μS
Applications
Non-contact switch
Speed measurement
Position detection
Brushless DC motor
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