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Description: The TS3A5017 IC from Texas Instruments is a dual single-pole four-throw (4:1) analog switch. It is capable of switching both digital and analog signals up to 3.6V in either direction. The ability to handle analog signals makes this a great tool for audio and video signal routing as well as communication circuits. It's also a handy way to read multiple analog sensors from a single ADC pin on your microcontroller.