skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202959i ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 13, 2015 1 data sheet SKY85608-11: 5 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 sp2t switch and lna with bypass mode ? receive gain: 12 db ? noise figure: 2.0 db ? transmit path loss: 0.6 db ? small dfn (8-pin, 1.5 x 1.5 mm) package (msl1, 260 c per jedec-j-std-020) s kywork s green 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. y0342 1 ant 2 3 4 8 7 6 5 c rx rx len tx gnd c tx vdd figure 2. SKY85608-11 pinout C 8-pin dfn (top view) ant tx rx s 3582 vdd c tx c rx len figure 1. SKY85608-11 block diagram description the SKY85608-11 integrates a single-pole, double-throw (spdt) switch and low-noise amplifier (lna) with a bypass mode in an ultra-compact package. the device is capable of switching between wlan receive and wlan transmit. the SKY85608-11 is provided in a small, 8-pin, 1.5 x 1.5 mm dual flat no-lead (dfn) 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 ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 july 13, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202959i table 1. SKY85608-11 signal descriptions pin name description pin name description 1 ant antenna port 5 vdd supply voltage 2 crx control signal 6 ctx control signal 3 rx lna output 7 g nd g round 4 len control signal 8 tx transmit input electrical and mechanical specifications the absolute maximum ratings of the SKY85608-11 are provided in table 2. the recommended operating conditions are specified in table 3, and electrical specifications are provided in tables 4, 5, and 6. the state of the SKY85608-11 is determined by the logic provided in table 7. table 2. SKY85608-11 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 st g 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 ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202959i ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 13, 2015 3 table 4. SKY85608-11 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 mode bypass mode all off 10.5 30 30 9 15 40 40 15 ma a a a note 1: performance is guaranteed only under the conditions listed in this table. table 5. SKY85608-11 electrical specifications: transmit (txin to ant) 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 4900 5925 mhz insertion loss tx il insertion loss from txin input to ant port 0.6 1 db 1 db input compression point (txin port) ip1db +29 +31 dbm transmit input return loss (txin port) s11 C14 C8 db output return loss (ant port) s22 C14 C8 db tx to rxout isolation, bypass (loopback) mode 27 33 db note 1: performance is guaranteed only under the conditions listed in this table. table 6. SKY85608-11 electrical specifications: receive (a nt to rxout 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 4900 5925 mhz small signal gain s21 lna enabled bypass mode 10 12 C7 14 db db lna gain step g ain_ step g ain step change between lna normal and lna bypass modes 18 19.5 21 db g ain flatness over 80 mhz full band 0.5 1.0 db db noise figure nf lna enabled bypass mode 2 2.4 db third order input intercept point iip3 lna enabled bypass mode +1 +17 +4 +20 dbm dbm second order input intercept point iip2 @ 2.6 g hz +45 dbm receive input return loss s11 C9 C6 db receive output return loss s22 C14 C6 db receive to transmit switching time t rx - tx 10% to 90% 300 ns transmit to receive switching time t tx - rx 10% to 90% 500 ns receive gain switching time t rx 10% to 90% 400 ns note 1: performance is guaranteed only under the conditions listed in this table.
data sheet ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 july 13, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202959i table 7. SKY85608-11 control logic (note 1) mode regulator output crx (pin 2) len (pin 4) ctx (pin 6) all off off 0 0 0 wlan receive off 1 1 0 wlan receive bypass off 1 0 0 wlan transmit on 0 0 1 n ote 1 : 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. evaluation board description the SKY85608-11 evaluation board is used to test the performance of the SKY85608-11 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 2 of connector j4. 2. apply 3.3 v to vdd pin 6 or 12 of connector j4. 3. refer to the control logic table in table 7 to set the device in the desired mode of operation. set crx, ctx, 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 j1 (tx) and measuring the output power at the antenna port connector j2 (ant). 5. monitor performance in either high gain or bypass mode by applying an rf signal to the antenna port connector j2 (ant) and measuring the output power at the receive port connector j3 (rx). evaluation board losses the total track losses from the rf connectors of the evaluation board to the pins of the sky85608 device are: ant: 0.25 db tx: 0.25 db rx: 0.25 db package dimensions the pcb layout footprint for the SKY85608-11 is provided in figure 5. a typical part marking is shown in figure 6. package dimensions for the 8-pin dfn 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 SKY85608-11 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 ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202959i ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 13, 2015 5 1 2 3 4 8 7 6 5 ant c rx rx len tx gnd c tx vdd c rx j2 s ma len c 2 dni vdd c tx c6 dni c 4 dni c 3 dni j3 s ma pad 9 1 4 7 10 c rx vdd len c tx 2 5 8 11 3 6 9 12 vdd j4 j4 j4 c 1 4.7 f c 5 0.1 f j1 s ma u1 y0482 figure 3. SKY85608-11 evaluation board schematic y08 6 5 figure 4. SKY85608-11 evaluation board
data sheet ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 july 13, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202959i 1.40 0.50 1.20 0.40 typ 0.20 typ 0.20 typ 0.40 0 0.40 3x ?0.203 1.40 0.25 1.50 0.40 0 0 0.40 typ 0.30 typ 0.30 typ package outline s tencil pattern (note 5) 0 s older ma s k pattern (note 6 ) board metal via pattern (note 4) notes: 1. all dimensions are in millimeters 2. dimensions and tolerances according to asme y14.5m-1994 3. unless speci?d, dimensions are symmetrical about center lines. 4. via hole recommendations: 0.025 mm cu via wall plating (minimum), via holes to 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. 6. solder mask recommendations: contact board fabricator for recommended solder mask offset and tolerance. 54% s older c overage on c enter pad 1.10 0.40 typ 0.20 typ 0.20 typ 0. 9 5 y04 96 figure 5. SKY85608-11 pcb layout footprint
data sheet ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202959i ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 13, 2015 7 y04 9 5 pin 1 indicator s kywork s part number figure 6. typical part marking top view bottom view 4x 0.020 0.20 0.05 0.20 0.05 5 0.10 m c a b detail a s cale 2x 8 place s pin 1 indicator 1.50 1.50 a b 2x 0.05 c 0.05 c c s eating plane 0.110 ref 8x 0.05 c 4 0.05 1.20 0.05 0.50 0.05 0.20 pin 1 indicator s ee detail a 4x 0. 6 00 4x 0.200 8x 0. 6 00 8x 0.20 min 8x 0.05 ref expo s ed pad C0.004 ~0.04 6 0.375 +0.025 C0.035 s ide view notes: 1. dimensions and tolerances according to asme y14.5m-1994. 2. all measurements are in millimeters. 3. unless otherwise speci?d, the following values apply: decimal tolerance: angular tolerance: x.x (1 place) ?0.1 mm ?/2 x.xx (2 places) ?0.05 mm x.xxx (3 places) ?0.025 mm 4. coplanarity applies to the terminals as well as all other bottom surface metallization. 5. dimension applies to metallized terminal. if terminal tip has a radius, the dimension should not be measured in that radius area. 6. unless speci?d, dimensions are symmetrical about center lines. y0341 figure 7. SKY85608-11 8-pin dfn package dimensions
data sheet ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 july 13, 2015 ? skyworks proprietary info rmation ? products and pr oduct information are subject to change without notice ? 202959i notes: 1. carrier tape: black conductive polycarbonate. 2. cover tape material: transparent conductive. 3. all dimensions are in millimeters. 4. 10-sprocket hole pitch cumulative tolerance on tape: ?.20 mm. 2 0.05 1.75 0.1 s ection b s ection a b 8 +0.3 C0.1 4 0.1 0.2 0.03 0.5 0.05 ko 3.50 0.05 0.4 0.1 y0484 a a tolerances: general: angles: ?.2 ? 1.75 0.10 b pin 1 1.75 0.05 ao 1.75 0.05 bo ?1.5 +0.1 C0 ?0.5 0.15 u s er direction of unreeling figure 8. SKY85608-11 tape and reel dimensions
data sheet ? SKY85608-11: wlan switch/lna fem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 202959i ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? jul y 13, 2015 9 ordering information model name manufacturing part number evaluation board part number SKY85608-11: 5 g hz, 802.11ac switch/lna front-end SKY85608-11 SKY85608-11-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. sk yworks 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, includin g fitness for a particular purpose or use, merchantability, performance, quality or non-infrin g ement of any intellectual property ri g ht; all such warranties are hereby expressly disclaimed. skyworks does not warrant the accuracy or completeness of the information, text, g raphics or other items contained within these ma terials. skyworks shall not be liable for any dama g es, includin g but not limited to any special, indirect, incidental, statutory, or consequential dama g es, includin g 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 dama g e. 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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