april 2008 ? 2008 fairchild semiconductor corporation www.fairchildsemi.com FSA2147 rev. 1.0.0 FSA2147 ? low-voltage, dpst analog switch with negative signal capability and built-in termination to eliminate pop FSA2147 ? low-voltage, dpst analog switch with negative signal capability and built-in termination to eliminate pop features ? built-in termination on unselected audio paths inhibits audio pop ? 6pf typical switch off capacitance ? 2.5 ? typical on resistance ? negative-swing-capable ? power-off protection ? flow-through pin out eliminates pcb vias applications ? mp3 player, cell phone, pda, digital camera, and notebook computers description the FSA2147 is a double-pole, single throw (dpst) switch. the audio path defaults to audio mute and is enabled with /oe. the FSA2147 includes a power-off feature on the common port when v cc =0v to guarantee signal isolation. important note: for additional performance information, please contact analogswitch@fairchildsemi.com . ordering information part number top mark package description FSA2147k8x 2147 8-lead us8, jedec mo-187, variation ca, 3.0mm wide package all packages are lead free per jedec: j-std-020b standard. v cc /oe r l r l control block rpu r t r t figure 1. analog symbol
? 2008 fairchild semiconductor corporation www.fairchildsemi.com FSA2147 rev. 1.0.0 10 FSA2147 ? low-voltage, dpst analog switch with negative signal capability and built-in termination to eliminate pop
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