OH137

Free Datasheet http://www.Datasheet4U.com 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 � Speed measurement � Open-Collector pre-driver � Home appliances � 25mA maximum sinking output current. � Position detection � Reverse Polarity Protection � Flow measurement Absolute Maximum Ratings （TA=25℃） Supply VoltageVCC··············4.5-24V Operating Temperature Range TA ···········-40～85℃ Output Current IO···················25mA Storage Temperature RangeTS ················-55～150℃ Magnetic-electrical Transfer Characteristics Functional Block Diagram： VOUT Pin1.VCC VOH BH REG Pin3.Vout AMP m VOL 0 BRP BOP B Pin2.GND Electrical Characteristics (Ta= 25°C ) Value Parameter Supply Voltage Output Saturation Voltage Output Leakage Current Supply Current Output Rise Time Output Falling Time Symbol VCC VOL IOH ICC tr tf Vcc=4.5V, RL=2KΩ， B≥BOP Vout=Vccmax，B≤BRP VCC=Vccmax OC output Vcc=12V, RL=820Ω, CL=20pF Page 1 www.ohhallsensor.com E-mail: [email protected] Conditions Min 4.5 Typ 200 1.0 3 0.12 0.14 Max 24 400 10 5 1.20 1.40 Unit V mV μA...