skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202958g ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 15, 2015 1 data sheet SKY85203-11: 2.4 ghz, 802.11ac switch/low-noise amplifier front-end applications ? wifi-enabled handsets, tablets, and mobile systems ? system-in-package (sip) modules for embedded systems ? 802.11n/ac smartphones and tablets features ? integrates an sp3t switch and lna with bypass mode ? receive gain: 14.5 db ? noise figure: 1.9 db ? transmit/bluetooth ? path loss: 0.7 db ? small qfn (12-pin, 2 x 2 mm) package (msl1, 260 c per jedec-j-std-020) s kywork s g reen tm product s are compliant with all applicable legi s lation and are halogen-free. for additional information, refer to skyworks de?ition of green tm , document number s q04C0074. y0046 len g nd g nd rx bt vdd g nd tx c tx c bt ant c rx 1 2 3 9 8 7 45 6 12 11 10 figure 2. SKY85203-11 pinout C 12-pin qfn package (top view) ant rx y0045 vdd bt tx c bt c tx c rx len lna figure 1. SKY85203-11 block diagram description the SKY85203-11 integrates a single-pole, triple-throw (sp3t) switch and low-noise amplifier (lna) with a bypass mode in an ultra-compact package. the device is capable of switching between wlan receive, wlan transmit, and bluetooth. the SKY85203-11 is provided in a small quad flat no-lead (qfn) 12-pin, 2 x 2 mm package. a functional block diagram is shown in figure 1. the pin configuration and package are shown in figure 2. signal pin assignments and functional pin descriptions are provided in table 1.
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 july 15, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202958g table 1. SKY85203-11 signal descriptions pin name description pin name description 1 ctx control signal 7 vdd supply voltage 2 tx transmit input 8 bt bluetooth port 3 gnd ground 9 gnd ground 4 gnd ground 10 cbt control signal 5 rx lna output 11 crx control signal 6 len control signal 12 ant antenna port electrical and mechanical specifications the absolute maximum ratings of the SKY85203-11 are provided in table 2. the recommended operating conditions are specified in table 3, and electrical specifications are provided in tables 4 to 8. table 2. SKY85203-11 absolute maximum ratings (note 1) parameter symbol minimum maximum units supply voltage v bat , v cc C0.3 +5.5 v dc input on control pins v in C0.3 +3.6 v lna input power (rxout terminated in 50 match) p i n +5 dbm operating temperature t a C40 +85 ? c storage temperature t stg C40 +140 ? c note 1: exposure to maximum rating conditions for extended periods may reduce device reliability. there is no damage to device with on ly one parameter set at the limit and all other parameters set at or below their nominal value. exceeding any of the limits listed here may result in permanent damage to the d evice. caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this devi ce must be protected at all times from esd. static charges may eas ily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. industry-standard esd precautions should be used at all times. table 3. recommended operating conditions parameter symbol minimum typical maximum units supply voltage relative to ground (= 0 v) v dd 3.0 3.6 5.0 v control voltage: high low v ih v il 1.6 0 3.6 0.4 v v control current: high low i ih i il 5 1 a a operating temperature t a C40 +25 +85 ? c
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202958g ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 15, 2015 3 table 4. SKY85203-11 electrical specificati ons: dc characteristics (note 1) (v dd = 3.6 v, t a = +25 ? c, all unused ports terminated with 50 , unless otherwise noted) parameter symbol test condition min typical max units supply current i cc lna enabled transmit/bt mode bypass mode all off 11 8 8 8 14 12 12 12 ma a a a note 1: performance is guaranteed only under the conditions listed in this table. table 5. SKY85203-11 electrical specifications: transmit (ant to tx) characteristics (note 1) (v dd = 3.6 v, t a = +25 ? c, all unused ports terminated with 50 , unless otherwise noted) parameter symbol test condition min typical max units frequency f 2400 2500 mhz insertion loss tx il insertion loss from tx input to ant port 0.7 1.1 db 1 db input compression point (tx port) ip1db +28 +31 dbm transmit input return loss (tx port) s11 C15 C20 db output return loss (ant port) s22 C12 C18 db ant to rx isolation, tx (loopback) mode 42 db tx to ant isolation @ 3.8 ghz: all other modes rx iso 20 27 db note 1: performance is guaranteed only under the conditions listed in this table. table 6. SKY85203-11 electrical specifications: transmit (ant to bt) characteristics (note 1) (v dd = 3.6 v, t a = +25 ? c, all unused ports terminated with 50 , unless otherwise noted) parameter symbol test condition min typical max units frequency f 2400 2500 mhz insertion loss bt il insertion loss from bt input to ant port 0.7 1.1 db 1 db input compression point (bt port) ip1db +28 +31 dbm transmit input return loss (bt port) s11 C15 C20 db output return loss (ant port) s22 C15 C20 db bt to ant isolation @ 3.8 ghz: all other modes bt iso 20 25 db note 1: performance is guaranteed only under the conditions listed in this table.
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 july 15, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202958g table 7. SKY85203-11 electrical specifications: receive (ant to rx port) characteristics (note 1) (v dd = 3.6 v, t a = +25 ? c, all unused ports terminated with 50 , unless otherwise noted) parameter symbol test condition min typical max units frequency f 2400 2500 mhz small signal gain s21 lna enabled bypass mode 12 C9 14.5 C6.5 16 -5 db db lna gain step gain_ step gain step change between lna normal and lna bypass modes 19 21 23 db gain flatness over 20 mhz full band 0.25 0.50 db db noise figure nf lna enabled bypass mode 1.9 6.5 2.2 db db third order input intercept point iip3 lna enabled bypass mode +1 +24 +3 +27 dbm dbm receive input return loss s11 C19 C14 db receive output return loss s22 C14 C8 db receive to transmit (or bt) switching time t rx C tx ( bt ) 10% to 90% 500 ns transmit (or bt) to receive switching time t tx ( bt ) C rx 10% to 90% 500 ns lna turn-on time t off C t on 10% to 90% 500 ns lna turn-off time t on C t off 90% to 10% 200 ns rx to ant isolation @ 3.8 ghz: non-rx modes rx iso 20 25 db note 1: performance is guaranteed only under the conditions listed in this table. table 8. SKY85203-11 control logic mode cbt (pin 10) ctx (pin 1) len (pin 6 ) crx (pin 11) all off 0 0 0 0 wlan receive lna 0 0 1 1 wlan receive bypass 0 0 0 1 bluetooth 1 0 0 0 wlan transmit 0 1 0 0 n ote : 0 = 0 v to +0.4 v. 1 = +1.6 v to +3.6 v. any state other than described in this table plac es the switch into an undefined state. an undefined state will not damage the device.
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202958g ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 15, 2015 5 evaluation board description the SKY85203-11 evaluation board is used to test the performance of the SKY85203-11 lna fem. an evaluation board schematic diagram is provided in figure 3. a photograph of the evaluation board is shown in figure 4. evaluation board setup procedure 1. connect the system ground to pin 19 of connector j9. 2. apply 3.3 v to vdd pin 17 of connector j9. 3. refer to the control logic table in table 8 to set the device in the desired mode of operation. set crx, ctx, cbt, and len to appropriate vil and vih voltages, as specified in table 3. 4. transmit performance is monitored by applying an rf signal to the connector j4 (tx) and measuring the output power at the antenna port connector j3 (ant). 5. monitor the receive performance in either high gain or bypass mode by applying an rf signal to the antenna port connector j3 (ant) and measuring the output power at the receive port connector j2 (rx). 6. monitor the bluetooth performance by applying an rf signal to the antenna port connector j1 (bt) and measuring the output power at the receive port connector j3 (ant). evaluation board losses the total track losses from the rf connectors of the evaluation board to the flip chip die bumps of the SKY85203-11 are: ant: 0.22 db tx: 0.22 db rx: 0.22 db bt: 0.36 db package dimensions the pcb layout footprint for the SKY85203-11 is provided in figure 5. typical part markings are shown in figure 6. package dimensions for the 12-pin qfn are shown in figure 7, and tape and reel dimensions are provided in figure 8. package and handling information instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. the SKY85203-11 is rated to moisture sensitivity level 1 (msl1) at 260 ? c. it can be used for lead or lead-free soldering. for additional information, refer to the skyworks application note, solder reflow information , document number 200164. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. production quantities of this product are shipped in a standard tape and reel format.
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 july 15, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202958g 1 2 3 1 3 5 7 9 11 13 15 17 1 9 c tx tx g nd g nd rx len s ky85203 u1 c 3 10 pf g nd bt vdd ant c rx c bt 2 4 6 8 10 12 14 1 6 18 20 c bt c rx vdd vdd c tx c bt c rx vdd v c trl len j 9 c tx 4 5 6 9 8 7 12 11 10 len s ma j2 pad 13 j1 s ma j3 s ma s ma j4 c 7 1 f y0302 l1 5. 6 nh figure 3. SKY85203-11 evaluation board schematic y0485 figure 4. SKY85203-11 evaluation board
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202958g ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 15, 2015 7 board metal s older ma s k pattern (note 6 ) s tencil pattern (note 5) 5 6 % s older c overage on c enter pad notes: 1. all dimensions are in millimeters. 2. dimensions and tolerances per asme y14.5m-1994. 3. unless speci?d, dimensions are symmetrical about center lines. 4. via hole recommendations: cu via wall plating: 0.025 mm minimum should be ?led with conductive paste and plated over. 5. stencil recommendations: 0.10 mm stencil thickness. laser cut apertures, trapezoidal walls and rounded corners offer better paste release. 0.75 0.40 typ 2.40 2.40 via pattern (note 4) 0.50 typ 0.20 typ 0.75 2x 0.34 2x 0.34 0 0 0 2x 0.34 2x 0.34 0 5x ?0.25 2.50 2.50 1.00 1.00 0.50 typ 0.30 typ 2 x 2 qfn package outline 0.50 typ 0.20 typ 0.50 typ 0.40 typ 1.20 1.20 2.40 2.40 y0301 figure 5. SKY85203-11 pcb layout footprint
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 july 15, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202958g pin 1 indicator s kywork s part number y08 6 4 sky1 5203 figure 6. typical part marking top view s ide view bottom view 0.05 c pin 1 indicator 2x 0.05 c 2x 0.05 c 15x 5 0.05 c 2.00 0.05 a b c s eating plane detail a expo s ed pad 2x ?0.15 internal s upport only do not s older or route under 1.00 0.05 1.00 0.05 0.20 0.05 0.20 0.05 pin 1 indicator 0.20 x 45 0.45 0.05 0.10 c a b detail a s cale: 2x 12 place s 0.500 4x 0.15 4x 0.13 min 2x r0.05 0.127 ref 2.00 0.05 0.00C0.05 4 12x 0.25 min 0.05 c notes: 1. all measurements are in millimeters, unless otherwise speci?d. 2. dimensions and tolerances according to asme y14.5m-2009. 3. unless otherwise speci?d the following values apply: decimal tolerance: angular tolerance: x.x (1 place) ?0.1 mm ?.5 x.xx (2 places) ?0.05 mm x.xxx (3 places) ?0.025 mm 4. coplanarity applies to the terminals and all other bottom surface metallization. 5. dimension applies to the metallized terminal. if the terminal tip has a radius, the dimension should not be measured in that radius area. 6. plating requirements per source control drawing (scd) 2504. 7. unless speci?d, dimensions are symmetrical about center lines. y2187 figure 7. SKY85203-11 12-pin qfn package dimensions
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202958g ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 15, 2015 9 notes: 1. carrier tape: black conductive polystyrene. 2. cover tape material: transparent conductive. 3. 10-sprocket hole pitch cumulative tolerance on tape: ?.20 mm. 4. all dimensions are in millimeters. 2.00 0.05 4.00 0.10 1.75 0.10 ?1.00 +0.10 C0 3 max s ection b s ection a b pin 1 8.00 0.30 0.25 0.05 0.75 0.10 (ko) 3.50 0.05 b a a tolerances: general: angles: ?.2 ? 4.00 0.10 2. 6 4 0.10 1.3 6 0.10 2.20 0.10 (ao) 2.20 0.10 (bo) 1.3 6 0.10 ?1.50 +0.10 C0 r0.1 typical y048 6 u s er direction of unreeling figure 8. SKY85203-11 tape and reel dimensions
data sheet ? SKY85203-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 10 july 15, 2015 ? skyworks proprietary in formation ? products and product information are subjec t to change without notice ? 202958g ordering information model name manufacturing part number evaluation board part number SKY85203-11: 2.4 ghz, 802.11ac switch/lna front-end SKY85203-11 SKY85203-11-evb copyright ? 2013-2015 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skyworks) products or services. these m aterials, including the information co ntained herein, are provided by skyworks as a service to its customers and may be used for info rmational purposes only by the cu stomer. skyworks assumes no res ponsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentat ion, products, services, specific ations or product descriptions at any time, without notice. skyworks makes no commitment to update the materials or information and shall have no responsi bility whatsoever for conflicts, incompatibilities, or other diff iculties arising from any future changes. no license, whether express, implied, by es toppel or otherwise, is granted to any in tellectual property rights by this document . skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, re production or use of skyworks products, information or mate rials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are pr ovided as is without warranty of any ki nd, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantability, performance, qualit y or non-infringement of any intellectual property right; all su ch warranties are hereby expressly disclaimed. skyworks does not warrant the accura cy or completeness of the information, text, graphics or other items contained within these ma terials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequentia l damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, wheth er or not the recipient of mat erials has been advised of the possibility of such damage. skyworks products are no t intended for use in medical, lifesaving or life-su staining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyw orks customers using or selli ng 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 us ing skyworks products , which may deviate from published specifi cations as a result of design de fects, errors, or operation of products outside of published pa rameters or design specifications. customers sh ould include design and operating safeguards to minimize these and other risks. skyworks assumes no liability for applications assistance, customer product de sign, or damage to any equipment resulting from the use of skyw orks products outsid e of stated published specifications or parameters. skyworks and the skyworks symbol are trademarks or registered trad emarks of skyworks solutions, inc., in the united states and other countries. third-party brands and names are for identification purposes only, and are the pr operty of their respective owners. additi onal information, including relevant terms and conditions, posted at www.skyw orksinc.com, are incorporated by reference.
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