OHS3020U

The OHS3020U is a Hallogic Hall-effect Sensor contains a monolithic integrated circuit which incorporates a Hall element, a linear amplifier, a threshold amplifier and Schmitt trigger on a single Hallogic® silicon chip. Included on-chip is a band gap voltage regulator to allow operation with a wide range of supply voltages. These devices feature logic level output and provide up to 21mA of sink current. This allows direct driving of more than 7 TTL loads or any standard logic family using power supplies ranging from 4.5 to 24V. Output amplitude is constant at switching frequencies from DC to over 200kHz. The Uni-polar turns on with a (logic level "0") after a sufficient magnetic field from the south pole of a magnet approached the symbolized face of the device (operating point) and turns off (logic level "1") after the magnetic field reached a minimum value.

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