ISL54213
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MP3/USB 2.0 High Speed Swi Dtcahtaw Sithhe Neet gative Signal Handling and Mute
Function
FN6663 Rev 0.00 March 26, 2008
The Intersil ISL54213 dual SPDT (Single Pole/Double Throw) switch bines low distortion audio and accurate USB 2.0 high speed data (480Mbps) signal switching in the same low voltage device. When operated with a 2.5V to 5.0V single supply, this analog switch allows audio signal swings below ground, allowing the use of a mon USB and audio headphone connector in Personal Media Players and other portable battery-powered devices.
The ISL54213 logic control pins are 1.8V patible, which allows for control via a standard µcontroller.
The part has an audio enable control pin to open all switches and put the part in a mute state. It’s high off-isolation (95d B @ 100k Hz) provides superior muting of audio signals.
The ISL54213...
