TSOP75238TR

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The TSOP75238TR is a member of the TSOP pin-compatible family of miniature infrared remote control receivers. As a type of optical sensor, the TSOP75238TR can be categorized as a photo detector, more specifically, as a remote receiver device. With its small 4.5mm x 4.4mm outline, the receiver can be placed in an array of different devices, allowing for swift and accurate command and control of intricate electronic systems.

As with most optical sensors, the TSOP75238TR relies upon infrared light for operation. It is designed for reception and demodulation of signals from Infrared (IR) remote control systems, which typically emit light at a 38kHz carrier frequency. The receiver has a high photo sensitivity due to its large internal photosensitive array area, enabling reliable operation even in the presence of environmental lighting. Its built-in gain control allows for optimized signal to noise ratio (SNR) at high and low IR illumination levels.

The TSOP75238TR works in the following manner. An IR beam is sent from a remote control towards the sensor, preferably from up to 8 meters away. The receiver captures the IR beam and demodulates the signal, while a synchronizing signal is removed by a narrow band filter. The demodulated signal is then amplified and applied to a comparison circuit. The end result is a digital output of either a high or low state, depending on whether the input signal\'s frequency is above or below the predetermined point.

With its wide supply voltage range of 3.3V to 5.5V and low current consumption of 1.5mA (typical stand-by current consumption is 4µA), the TSOP75238TR can be used in a variety of systems and applications, from point-of-sale systems and consumer electronics equipment to telecommunications and industrial automation equipment.

In conclusion, the TSOP75238TR offers a reliable and cost-effective solution for remote control applications, providing a high-gain, robust solution that is ideal for transmission of digital information at 38kHz carrier frequency. This device can be easily incorporated into a variety of systems, allowing for accurate selection of different functions or commands when remote data receives. With its photo sensitivity and wide supply voltage range, it is sure to be a valuable asset to any system.

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