december 2010 ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsa8008 ? rev. 1.0.1 fsa8008 ? audio jack detecti on and configuration switch fsa8008 audio jack detection and configuration switch features detection accessory plug-in 3- or 4-pole audio jack send/end key pressed switch type mic v dd 2.5 to 4.4v v io 1.6 to v dd thd (mic) 0.01% typical esd (air gap) 15kv operating temperature -40c to 85c package 10-lead umlp 1.4x1.8x0.5mm, 0.4mm pitch top mark kc ordering information FSA8008UMX applications ? 3.5mm and 2.5mm audio jacks ? cellular phones, smartphones ? mp3 and pmp description the fsa8008 is an audio jack detector and switch for 3- or 4-pole accessories. in addition to detection, the fsa8008 features an integrated mic switch that allows the processor to configure the audio jack. the architecture is designed to allow common third-party headphones to be used for listening to music from mobile handsets, personal media players, and portable peripheral devices. ? determines 3- or 4-pole audio jacks ? removes audio jack pop-n-click caused by mic bias ? detects audio jack accessories: - standard headphones - headsets with mic - send / end button presses ? integrates a mic switch for 4-pole configuration related resources ? fsa8008 demonstration board ? for samples and questions, please contact: analog.switch@fairchildsemi.com . typical application figure 1. mobile phone example
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsa8008 ? rev. 1.0.1 9 fsa8008 ? audio jack detect ion and configuration switch physical dimensions figure 4. 10-lead umlp package drawing package drawings are provided as a service to customers considering fairchild components. drawings may change in any manner wit hout notice. please note the revision and/or date on the drawing and contact a fairchild semiconductor representative to verify or o btain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ . ordering information part number operating temperature range top mark package FSA8008UMX -40 to +85c kc 10-lead 1.4 x 1.8 x 0.55mm, 0.4mm pitch ultrathin molded leadless package (umlp) a. dimensions are in millimeters. b. dimensions and tolerances per asme y14.5m, 1994 top view bottom view recommended land pattern 0.15 c 0.08 c b a c 0.15 c 2x 2x side view seating plane 0.10 c 0.050 3 6 1 0.10 c a b 0.05 c 0.55 max. pin #1 quadrant 10 1.40 1.80 0.40 0.15 0.25 10x 0.45 0.55 0.35 0.45 9x 1.700 2.100 0.400 0.663 0.563 9x 0.225 10x 1 0.152 0.100 0.100 0.500 0.100 detail a pin #1 terminal scale: 2x 1.850 1.450 0.550 0.400 0.225 10x 9x 0.450 optional minimial toe land pattern c. drawing filename: umlp10arev2
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsa8008 ? rev. 1.0.1 10 fsa8008 ? audio jack detect ion and configuration switch
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