The Intersil ISL54208 dual SPDT (Single Pole/DoubleThrow) switches combine low distortion audio/video andaccurate USB 2.0 high speed (480Mbps) data signalswitching in the same low voltage device. When operatedwith a 2.7V to 3.6V single supply these analog switchesallow audio/video signal swings below-ground, allowing theuse of a common USB and audio/video connector in digitalcameras, camcorders and other portable battery poweredPersonal Media Player devices.The ISL54208 logic control pins are 1.8V logic compatiblewhich allows control via a standard μcontroller. With a VDDvoltage in the range of 2.7V to 3.6V the IN pin voltage canexceed the VDD rail allowing for the USB 5V VBUS voltagefrom a computer to directly drive the IN pin to switchbetween the audio/video and USB signal sources in theportable device. The part has an enable control pin to openall the switches and put the part in a low power state.The ISL54208 is available in a small 10 Ld 2.1mmx1.6mmultra-thin μTQFN package and a 10 Ld 3mmx3mm TDFNpackage. It operates over a temperature range of -40 to+85°C.
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