SDP8614-301

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The SDP8614-301 is an optically sensitive device that is used to detect the physical presence of light in order to trigger a logic output. It is part of a wide family of similar devices called photo detectors or sensors. Photo detectors typically have a wide range of inputs such as optical light or laser beams and are used in many different types of applications, such as industrial controls, automotive necessities, and consumer electronics.

The SDP8614-301 specifically can detect light that falls within the range of 8.6µm to 14.1µm (infrared) wavelengths. The device comes in a ceramic package that measures only 4mm X 4mm with a surface mount type. A hand-held remote controller, such as one associated with a home entertainment system, contains an IR receiver that incorporates this type of module.

In terms of its basic working principle, the SDP8614-301 has an active area consisting of a photodiode enclosed in a metal shield. Light impinging on the photodiode generates an electrical signal that is amplified by an on-chip low-noise amplifier. This amplified signal is then converted into binary logic, where a particular threshold voltage sets a high or low output depending on the intensity of light.

The logic output of the SDP8614-301 is designed for direct interfacing with a microcontroller or logic circuit, allowing for remote control communication and other applications that require a digital logic output. Furthermore, the output has the ability to detect levels of light ranging from 0.2 mW/cm2 to 50 mW/cm2, making it suitable for a range of applications.

From the automotive to the manufacturing industry, these optically sensitive devices are essential in numerous applications. In instances where something needs to be monitored, a photodetector can be used to detect the presence or absence of light, triggering a corresponding response. An example could be a line follower robot, in which the photodetectors are used to detect and react to light elements on the floor, allowing the robot to sense and navigate its environment.

The SDP8614-301 is a popular and compact member of the photo detector family, and is often used in optical control applications in consumer devices such as remote controllers and game controllers. The device produces a digital output that is useful in controlling these types of electronic devices. With its very low power consumption, the SDP8614-301 is also optimal for battery-operated applications.

In conclusion, the SDP8614-301 is an optical sensor that is designed to detect light in the infrared range. The device has a metal shield which encloses a photodiode that is used to generate an electrical signal. This signal is amplified and then converted into a binary logic that triggers a logic output such as a microcontroller or logic circuit. The digital logic output of the SDP8614-301 makes it suitable for a range of applications, from automotive to consumer electronics.

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