march 2011 ? 2011 fairchild semiconductor corporation www.fairchildsemi.com fsa8008 / fsa8008a ? rev. 1.0.3 fsa8008 / fsa8008a ? audio jack de tection and configuration switch fsa8008/fsa8008a audio jack detection and configuration switch features detection accessory plug-in 3- or 4-pole audio jack send/end key pressed functionality fsa8008 fsa8008a decreased timing for sensitive send/end keys 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 fsa8008 kc fsa8008a kd ordering information fsa8008umx FSA8008AUMX applications ? 3.5mm and 2.5mm audio jacks ? cellular phones, smartphones ? mp3 and pmp description the fsa8008/fsa8008a is an audio jack detector and switch for 3- or 4-pole accessories. in addition to detection, the fsa8008/fsa8008a 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 play ers, 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/fsa8008a demonstration board ? for samples and questions, please contact: analog.switch@fairchildsemi.com . typical application figure 1. mobile phone example
? 2011 fairchild semiconductor corporation www.fairchildsemi.com fsa8008 / fsa8008a ? rev. 1.0.3 9 fsa8008 / fsa8008a ? audio jack detection and configuration switch physical dimensions figure 4. 10-lead umlp package drawing package drawings are provided as a service to customers considering fairchild component s. drawings may change in any manner wit hout notice. please note the revision and/or date on the drawing and contact a fairchild semi conductor 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 packagi ng 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 kd 10-lead 1.4 x 1.8 x 0.55mm, 0.4mm pitch ultrathin molded leadless package (umlp) FSA8008AUMX kc 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 cab 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 fi lename: umlp10arev2
? 2011 fairchild semiconductor corporation www.fairchildsemi.com fsa8008 / fsa8008a ? rev. 1.0.3 10 fsa8008 / fsa8008a ? audio jack detection and configuration switch
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