TSOP57238TT2 Datasheet/PDFThe TSOP57238TT2 is a Remote Receiver optical sensor from the Photodetector family created by Vishay Semiconductor. It is a photodetector that can be used in a variety of applications, as it is compatible with different IR protocols like Philips RC-5 and Sony SIRC, and as such, it can be used to control numerous appliances, including remote-controlled toys, televisions, DVD players, and air conditioners.
Applicationfield
The TSOP57238TT2 optical sensor is typically used for consumer IR remote control applications, as it is especially designed to operate with the RC-5 protocol of Philips Semiconductors. Its high sensitivity, fast response time, low supply current, and low external component count all make it an ideal solution for certain remote control applications. Its small 3-pin SOP package makes it space-efficient, and its hermetic technology can offer reliable operation in a wide temperature range.
The TSOP57238TT2 is also often used in industrial applications. It is ideal for detecting the presence or movement of an object in a restricted area. Its integrated photo detector is capable of detecting radiation within the range of 850 to 950nm with a high reliability and accuracy. This makes it an ideal solution for a variety of automated operations, ranging from automated gates to control systems.
WorkingPrinciple
The TSOP57238TT2 optical sensor works by detecting infrared radiation, usually from an IR remote controller or from other nearby sources, and converting it into an electrical signal. It has a built-in photodiode and amplifier, which makes it capable of detecting radiation in the 850 to 950nm wavelength range. It can detect pulse widths from 7µs to 2ms, allowing it to accurately detect signals from different kinds of IR remote devices.
When the TSOP57238TT2 is triggered, it will output a signal indicating the type of IR protocol being received, which is usually the Philips RC5 protocol. This allows the device to control various appliances or devices, depending on the programming of the remote controller.
Conclusion
The TSOP57238TT2 remote receiver optical sensor from Vishay Semiconductors is a powerful device that can be used in a variety of applications, ranging from consumer IR remote control applications to industrial automation. Its high sensitivity, fast response time, low supply current, and low external component count make it an ideal solution for these applications. Its hermetic technology also offers reliable operation in a wide temperature range.