W2D-H01

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Magnetic sensors are widely used for positioning, sensing, actuation, and communication applications. Due to their non-contact and omni-directional sensing capabilities, magnetic sensors enable a range of different sensing capabilities. The W2D-H01 is a single-ended or differential pair-ended Hall-effect sensor integrated on a single chip. It is intended for contactless current sensing and is ideal for various applications that require precise and reliable measurements.

The W2D-H01 integrates a Hall-effect element and an integrated circuit to measure the magnetic flux density. The device uses three separate sensing elements: CMOS, bipolar and Schmitt trigger stages. The sensing element is connected to an output amplifier to provide a packet of digital signals that can be read through a microcontroller unit or a digital signal processor (DSP).

The sensing elements of the W2D-H01 have an active temperature compensation feature for temperature stability across the sensing element temperature range. This helps to prevent any errors due to external temperature changes and improves the module\'s accuracy and stability. The active temperature compensation can also increase the module\'s dynamic range, since the module\'s output is stabilized even at high temperatures and input amplitudes.

The W2D-H01 module is compliant with the industry-standard Hall-effect sensing circuit. It is suitable for applications in industrial, medical, digital audio, automotive and consumer applications, enabling non-contact sensing. It also offers a wide power supply range of 2.7 V to 5.5 V, allowing the possibility of interfacing with a wide variety of systems.

In terms of position, proximity, and speed sensing applications, the W2D-H01 draws on the accuracy of Hall-effect sensors to provide a reliable solution for contactless sensing applications. It works by measuring a magnetic field generated by a DC current source to determine the exact position, proximity, or speed of an object. The device can also be used in a variety of other applications, such as rotary angle measurement, angular speed measurement, motion detection, and current sensing, among others.

The W2D-H01 can be used for single-ended or differential sensing. In single-ended operation, the module is capable of detecting the polarity of the magnetic field, and the output signal is directly proportional to the magnetic field. In differential sensing mode, the module is capable of sensing changes in magnetic field and generating a corresponding output signal. The sensing element is activated by an external magnetic field and generates an output digital signal representing the strength and polarity of the magnetic field.

The W2D-H01 can be used in combination with an encoder or other type of sensor to accurately determine position, speed, and direction of magnetic objects. It is suitable for applications that require high resolution and accuracy, such as in robotics, automation, industrial machinery, automobile instrumentation, and medical instrumentation. By incorporating both a Hall-effect sensing circuit and integrated circuit, the W2D-H01 offers an excellent solution for contactless, omni-directional sensing applications.

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