OPR2101

Series:	--
Packaging:	Tube
Part Status:	Active
Wavelength:	890nm
Color - Enhanced:	--
Spectral Range:	400nm ~ 1100nm
Diode Type:	PIN
Responsivity @ nm:	0.45 A/W @ 890nm
Response Time:	--
Voltage - DC Reverse (Vr) (Max):	50V
Current - Dark (Typ):	5µA
Active Area:	0.84mm² (x6)
Viewing Angle:	--
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	--

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Optical Sensors - Photodiodes

Photodiodes are semiconductor devices which are sensitive to optical radiation. Through the semiconductor structure, they create an electrical current when exposed to light in the visible, infrared or ultraviolet range. This electrical current is then converted into an electrical signal used to measure, detect and interpret characteristics like brightness, wavelength or exposure time. The OPR2101 application field and working principle are explained in this article.

OPR2101 Application Field

OPR2101 Photodiodesare semiconductor photodiodes specifically designed for operation in the visible spectrum, from 400nm - 650nm, with maximum photo sensitivity and spectral response. Generally, they are used for measuring and monitoring brightness and color in display and lighting applications. They measure the amount of light that is incident on them, and convert it into an electrical signal. Their small size, visible spectral response, and long lifetime make them an ideal solution for applications such as medical imaging, medical displays, automotive lighting, machine vision, motion detection, and optical communications devices. They also offer superior spectral sensitivity, lower noise and higher dynamic range when compared to other photodiodes.

OPR2101 Working Principle

The OPR2101 Photodiodes feature a large area, monolithic construction, making them suitable for a wide range of optical sensing applications. The device consists of a small and efficient photodiode area, which is sensitive to light in the visible, ultraviolet and near infrared ranges. The photodiode is made up of a p-type region, an n-type region, and a reverse biased diode junction.When exposed to light, the diode junction will create a current that is proportional to the intensity of the light, allowing the intensity of the incident light to be measured. The OPR2101 also features a low-noise amplifier that can amplify the current signal and convert it into a voltage-based signal. This output signal can then be connected to a microcontroller, allowing the device to be used as a light sensor.In summary, the OPR2101 Photodiode is an ideal solution for applications requiring accuracy in measuring and monitoring brightness and color in displays, lighting, medical imaging, automotive lighting, motion detection, and optical communication devices. By using the low-noise amplifier, the device can produce a precise, voltage-based output signal that is easy to read and interpret. This makes it an ideal solution for any optical sensing and monitoring application.

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