TSL238D-TR

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The TSL238D-TR is an ambient light, infrared (IR) and ultraviolet (UV) phototransistor sensor. This device integrates three sensing elements optimized for entering wavelengths of light of various frequencies with a single 4-pin package. TSL238D-TR can be used for controlling brightness of a LCD panel and for sensing external environment brightness for various applications like reading systems for power management.

The TSL238D-TR is designed for surface-mount reflow soldering, with a thin 4-pin package to maximize the application space. Its low voltage operation and high switching speed makes it ideal for mobile applications. It requires only a single supply voltage ranging from 3V to 5.5V. In addition, this device features a fast load time and low current consumption of just 0.3mA.

The working principle behind the TSL238D-TR is based on the Principle of Photo Semiconductor. In this principle, visible and infrared light radiation is converted into a current. When the light strikes the semiconductor and increases its brightness, the current is then pulled up. However, when the light intensity decreases the current is pulled down. By sensing these changes in the current, TSL238D-TR can accurately detect the brightness levels of the ambient light, IR and UV light frequencies.

The TSL238D-TR can be tailored to fit specific applications which require more precise measurement of external environment brightness. By optimizing the ambient light circuit design and scanning the spectrum of desired wavelengths within a short period of time, TSL238D-TR is capable of providing accurate and reliable real-time readings. Moreover, with its unique brightness correction feature, TSL238D-TR can optimize the brightness of the LCD panel, adjusting them according to the light intensity in the surrounding environment.

The TSL238D-TR is the perfect choice for ambient light, infrared and ultraviolet applications requiring a compact, thin, low-power, and accurate sensing solution. With its single 4-pin package and wide range of sensing capabilities, TSL238D-TR provides an efficient and cost-effective solution for controlling LCD panel brightness and monitoring the external environment for applications such as reading systems for power management.

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