OPB932L51

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Optical Sensors, such as Photointerrupters, play an essential role in modern technology by acting as an on/off switch for electrical circuits. These sensors work by detecting the presence or absence of a light beam. Slot Type Logic Output, such as the OPB932L51, is a type of Photointerrupter that uses a slotted receiver to detect the presence or absence of a light beam. This article will discuss the application field and working principle of the OPB932L51.

Applications of OPB932L51

The OPB932L51 is a high-speed, low-power optical sensor that is ideal for use in narrow slots or when scanning through a narrow slit. It is often used for paper-feed detection, paper-end detection, page-margin detection, page-registration, optical-fiber positioning and alignment, and line-detection systems. This device is a self-contained unit that features an integrated light-emitting diode (LED) and photo-detector, as well as a built-in amplifier and logic output circuit. The OPB932L51 has an operating voltage of between 4.5V and 15V, and its operating temperature range is -20°C to 70°C.

Working Principle of OPB932L51

The basic working principle of the OPB932L51 is very simple. The device contains an infrared LED and a photo-diode that face each other across a gap. This gap is typically about 1mm in size. When an object passes between the LED and photo-diode, the beam of light is interrupted, which is then detected by the photo-diode. The amplified signal from the photo-diode is then sent to a logic output circuit, which sends out a digital signal that indicates the presence or absence of the beam.

The OPB932L51 also features a high-speed response time of 1ms, an infrared wavelength of 850nm, and a modulation bandwidth of 2MHz. This allows the device to be used in applications that require fast detection speeds. The device also has a 0.1mm to 15mm operating distance, which allows it to be used in applications where precision is required. In addition, the OPB932L51 has a wide power supply range, making it suitable for use in a variety of different applications.

Conclusion

The OPB932L51 is an Optical Sensor that is part of Photointerrupter technology. It is designed for use in narrow slots or when scanning through a narrow slit, and can be used for a variety of different applications. The device has an integrated LED and photo-detector, as well as a built-in amplifier and logic output circuit. It also has a high-speed response time and modulation bandwidth, as well as a wide power supply range. The OPB932L51 offers a simple, reliable way to detect the presence or absence of an object in an application.

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