skyworks solutions, inc. ? phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com 200120 rev. c skyworks proprietary information products and product information are subject to change without notice. march 6, 2006 1 AS227-321, AS227-321lf: phemt gaas ic high-power sp3t switch dc?2 ghz data sheet features positive low voltage control (0/2.75 v operation) low insertion loss (< 0.5 db @ 1 ghz) high isolation (> 25 db @ 1 ghz) excellent iip3 (63 dbm @ 2.75 v, 27 dbm/tone) miniature qfn-12 plastic package phemt process available lead (pb)-free and rohs-compliant msl-1 @ 250 c per jedec j-std-020 description the AS227-321 is a phemt gaas ic sp3t antenna switch operating in the 900 mhz and 1800 mhz frequency bands. switching between the antenna and tx/rx ports is accomplished with 3 control inputs. when the control inputs are driven with the appropriate voltages, a low insertion loss path is provided from an antenna port to an rx or tx port, while the other ports have high attenuation. parameter frequency min. typ. max. unit insertion loss ant-rf1, rf2, rf3 dc?0.5 ghz 0.45 0.6 db dc?1.0 ghz 0.50 0.7 db dc?2.0 ghz 0.70 0.9 db isolation ant-rf1, rf2, rf3 dc?0.5 ghz 30 32 db dc?1.0 ghz 24 26 db dc?2.0 ghz 18 20 db return loss ant-rf1, rf2, rf3 dc?0.5 ghz 18 db dc?1.0 ghz 18 db dc?2.0 ghz 14 db electrical specifications at 25 c v ctl = 0/2.75 v, z o = 50 ? , unless otherwise noted skyworks offers lead (pb)-free, rohs (restriction of hazardous substances)-compliant packaging. new functional block diagram v 1 rf1 v 2 rf2 ant v 3 rf3
typical performance data t a = 25 c, v ctl = 0/2.75 v, z o = 50 ? , unless otherwise noted insertion loss (db) frequency (ghz) insertion loss vs. frequency -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 ant-tx ant-rx 1 ant-rx 2 isolation (db) frequency (ghz) isolation vs. frequency 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 ant-tx ant-rx 1 ant-rx 2 vswr (db) frequency (ghz) vswr vs. frequency 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 1.0 1.2 1.4 1.6 1.8 2.0 ant-tx ant-rx 1 ant-rx 2 skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com march 6, 2006 skyworks proprietary information products and product information are subject to change without notice. 200120 rev. c data sheet ? AS227-321, AS227-321lf 2 parameter condition frequency min. typ. max. unit input third order intercept (iip3) p in = 27 dbm, each tone 824/869 mhz 63 dbm 2nd/3rd harmonic p in = 34.5 dbm 900 mhz -65 dbc gate leakage current p in = 34 dbm, v ctl = 2.75 v 50 a thermal resistance 25 c/w control voltages v low -0.25 0 0.25 v v high 2.60 2.75 5.00 v operating characteristics at 25 c v ctl = 0/2.75 v, z o = 50 ? , unless otherwise noted
data sheet AS227-321, AS227-321lf skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com 200120 rev. c skyworks proprietary information products and product information are subject to change without notice. march 6, 2006 3 v 1 v 2 v 3 ant-rf1 ant-rf2 ant-rf3 v high v low v low ins. loss isolation isolation v low v high v low isolation ins. loss isolation v low v low v high isolation isolation ins. loss truth table all other conditions not recommended. v low = 0?0.2 v. v high = 2.75?5 v. characteristic value rf input power 4 w > 0.5 ghz 0/6 v control control voltage 6 v operating temperature -40 c to +85 c storage temperature -65 c to +150 c absolute maximum ratings performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the absolute maximum specifications. exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty. caution: although this device is designed to be as robust as possible, esd (electrostatic discharge) can damage this device. this device must be protected at all times from esd. static charges may easily produce poten- tials of several kilovolts on the human body or equipment, which can discharge without detection. industry-standard esd precautions must be employed at all times. qfn-12 0.008 (0.20 mm) seating plane 0.118 (3.00 mm) pin 1 indicator pin 1 indicator 0.118 (3.00 mm) 0.001 (0.02 mm) 0.030 (0.75 mm) 0.002 (0.05 mm) exposed pad 0.029 (0.73 mm) 0.017 (0.435 mm) sq. 0.007 (0.180 mm) 0.0196 (0.50 mm) bsc 0.057 (1.45 mm) sq. + 0.004 (0.10 mm) - 0.006 (0.15 mm) 0.022 (0.55 mm) 0.004 (0.10 mm) 0.009 (0.23 mm) + 0.003 (0.07 mm) - 0.002 (0.05 mm) 123 456 12 11 10 987 v 1 rf1 gnd v 2 rf2 gnd ant gnd n/c v 3 rf3 gnd c bl c bl c bl c bl pin out (top view) dc blocks required. c bl = 47 pf for operation >500 mhz.
skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com march 6, 2006 skyworks proprietary information products and product information are subject to change without notice. 200120 rev. c data sheet AS227-321, AS227-321lf 4 copyright ? 2002, 2003, 2004, 2005, 2006, skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyworks solutions, inc. (?skyworks?) products or services. these mate rials, including the information contained herein, are provided by skyworks as a service to its customers and may be used for informational purposes only by the customer. skyworks assumes no r esponsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other diffic ulties arising from any future changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. sky works assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of skyworks products, information or material s, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are provided ?as is? without warranty of any kind, whether express, implied, statutory, or ot herwise, including fitness for a particular purpose or use, merchantability, performance, quality or non-infringement of any intellectual property right; all such warranties are hereby expressly disclaimed. skyworks does not warrant the accuracy or completeness of the information, text, graphics or other items contained wit hin these materials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequential dam ages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, whether or not the recipient of mate rials has been advised of the possibility of such damage. skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which th e failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyworks customers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications using skyworks products, which may deviate from published specific ations as a result of design defects, errors, or operation of products outside of published parameters or design specifications. customers should include design and operating safeguards to m inimize these and other risks. skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of skyworks products outside of stated published specifications or parameters. skyworks, the skyworks symbol, and ?breakthrough simplicity? are trademarks or registered trademarks of skyworks solutions, inc., in the united states and other countries. third-party brands and names are for identification purposes only, and are the property of their respective owners. additional information, including rel evant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
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