march 2012 ? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA8029 ? rev. 1.0.1 FSA8029 ? audio jack send / end detection with mic / video switch FSA8029 audio jack send / end detection with mic / video switch features detection accessory plug-in 3- or 4-pole audio jack send / end key pressed switch type microphone & video v dd 2.5 to 4.3v thd (mic) 0.01% typical esd (air gap) 16kv operating temperature -40c to 85c package 10-lead umlp 1.4x1.8x0.5mm, 0.4mm pitch top mark ks ordering information FSA8029umx applications ? 3.5mm and 2.5mm audio jacks ? cellular phones, smartphones ? mp3 and pmp description the FSA8029 is an audio jack microphone / video switch for 3- or 4-pole accessories with send / end (s/e) detection. in addition to detection, the fsa 8029 features an integrated microphone / video 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 when send / end button key is pressed ? integrates a mic / video switch for 4-pole configuration ? reduces pop / click caused by microphone bias related resources ? for samples and questions, please contact: analog.switch@fairchildsemi.com . ? FSA8029 demonstration board typical application figure 1. mobile phone example baseband processor audio codec mic mic bias mic l spkr r spkr gpio1 j_mic gnd s/e2 gpio2 r mic c mic 1 2 3 4 gpio3 16-32 ? l r gnd mic 16-32 ? nc, s/e key gpio vio vdd 2.8v vid applications processor video out enable + - sel ref r_vdd vio ttl level input open drain output + - 0.07x vdd no, s/e key s/e1 open drain output vio
? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA8029 ? rev. 1.0.1 7 FSA8029 ? audio jack send / end de tection with mic / video switch physical dimensions figure 3. 10-lead, umlp package 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 FSA8029umx -40 to +85c ks 10-lead 1.4 x 1.8 x 0.55mm, 0.4mm pitch, ultrathin molded leadless package (umlp) a b c seating plane detail a pin#1 ident recommended land pattern notes: a. package does not fully conform to jedec standard. b. dimensions are in millimeters. c. dimensions and tolerances per asme y14.5m, 1994. d. land pattern recommendation is based on fsc design only. e. drawing filename: mkt-umlp10arev3. top view bottom view 0.15 c 0.08 c 0.15 c 2x 2x side view 0.10 c 0.05 3 6 1 0.10 c a b 0.05 c 0.55 max. 10 1.40 1.80 0.40 0.15 0.25 (10x) 0.35 0.45 (9x) 1.70 2.10 0.40 0.663 0.563 (9x) 0.225 (10x) 1 0.152 0.10 0.10 0.55 0.45 0.10 detail a scale : 2x 1.85 1.45 0.55 0.40 0.225 (10x) 9x 0.45 pin#1 ident optional minimial toe land pattern scale : 2x lead option 1 scale : 2x lead option 2 package edge
? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA8029 ? rev. 1.0.1 8 FSA8029 ? audio jack send / end de tection with mic / video switch
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