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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 1 data sheet sky65174-21: 2.4 to 2.5 ghz wlan power amplifier module applications ? ieee 802.11 b/g/n wlan systems ? ism band transmitters ? wireless access points, routers, gateways features ? pa linear output power: +27 dbm @ <2.5% evm ? high gain: 35 db ? input/output internally matched to 50 ? internal, active bias circuits ? mcm (10-pin, 4 x 4 mm) package (msl3, 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. description the sky65174-21 is a highly integrated power amplifier module (pam) intended for high performance wireless local area network (wlan) requiring up to +27 dbm linear output power. the sky65174-21 is fabricated using skyworks high reliability heterojunction bipolar transistor (hbt) in g ap process, which allows for single supply operation while maintaining high efficiency and good linearity. the pam is packaged in a 10-pin, 4 x 4 mm multi-chip module (mcm) together with power detector, biasing, and input/output matching components. this architecture makes the sky65174-21 a highly integrated solution requiring a minimum number of external components. a functional block diagram of the sky65174-21 is shown in figure 1. the 10-pin mcm package and pinout are provided in figure 2. signal pin assignments and functional pin descriptions are provided in table 1. rf_in input match output match inter- s tage match inter- s tage match vref1 vref2 vdet rf_out v cc active bia s detector y2 6 10 figure 1. sky65174-21 pam block diagram
data sheet ? sky65174-21: wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 november 19, 2015 ? skyworks proprietary information ? pro ducts and product information are subject to change without not ice ? 201428f s2019 rf_in gnd v cc gnd vdet vref2 vref1 gnd gnd rf_out 1 2 3 4 5 10 9 8 7 6 figure 2. sky65174-21 pinout (top view) table 1. sky65174-21 signal descriptions pin name description i/o signal type 1 rf_in rf transmitter input i rf 2 g nd g round C C 3 vcc supply voltage i supply 5 v 4 g nd g round C C 5 vdet power detector output o analog 6 rf_out rf transmitter output o rf 7 g nd g round C C 8 g nd g round C C 9 vref1 reference voltage 1 i 2.85 v 10 vref2 reference voltage 2 i 2.85 v technical description the sky65174-21 meets the stringent wlan spectral masks for orthogonal frequency division multiplexing (ofdm) composite signals. the high linearity of the pa enables an error vector magnitude (evm) of less than 3% at output power levels of +27 dbm. the power detector achieves a dynamic range greater than 25 db. the pam is stable up to an 6:1 voltage standing-wave ratio (vswr). the sky65174-21 pam supports a battery voltage range of 3.3 v up to 5.5 v. electrical and mechanical specifications the absolute maximum ratings of the sky65174-21 are provided in table 2. the recommended operating conditions are specified in table 3 and electrical specifications are provided in tables 4 (v cc = 5 v) and 5 (v cc = 3.3 v). typical performance characteristics of the sky65174-21 are illustrated in figures 3 to 8.
data sheet ? sky65174-21 wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 3 table 2. sky65174-21 absolute maximum ratings (note 1) parameter symbol minimum maximum units rf output power (cw) p out +30 dbm supply voltage v cc 5.5 v reference voltages (note 2) vref1, vref2 3.1 v total supply current i cc 1000 ma power dissipation p d 2.9 w thermal resistance jc 28 ? c/w storage temperature t st g C55 +125 ? c operating temperature t a C40 +85 ? c junction temperature t j +150 ? c note 1 : exposure to maximum rating conditions for extended periods may reduce device reliability. there is no damage to device with o nly 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. note 2 : measured at the package pins. 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. sky65174-21 recommended operating conditions parameter symbol minimum typical maximum units operating frequency f 2412 2483 mhz supply voltage (high voltage mode) v cc 4.5 5.0 5.5 v supply voltage (low voltage mode) v cc 3.0 3.3 3.6 v rf output power p out +27 dbm reference voltages (note 1) vref1, vref2 2.75 2.85 2.95 v reference current 1 i ref 1 11 12 ma reference current 2 i ref 2 1 2 ma total supply current (cw signal) i cc 600 ma operating temperature t a C35 +25 +85 ? c note 1 : measured at the package pins.
data sheet ? sky65174-21: wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 november 19, 2015 ? skyworks proprietary information ? pro ducts and product information are subject to change without not ice ? 201428f table 4. sky65174-21 electrical specifications (note 1) (v cc = +5 v, vref1 = vref2 = 3.1 v, t a = +25 ? c, f = 2.442 ghz, cw, unless otherwise noted) parameter symbol test condition min typical max units continuous wave (cw) input quiescent current i cq 275 300 ma operational current i cc p out = +27 dbm 700 800 ma 1 db output compression point op1db +31.0 +34.5 dbm noise figure nf 7 db small signal gain |s 21 | 34.0 34.5 35.0 db g ain variation s 21 p in = C25 dbm, f = 2.4 to 2.5 g hz 1 db input return loss |s 11 | 15 db detector voltage v det 802.11g, p out = +27 dbm 0.75 0.80 v 2 nd harmonic distortion 2fo p out = +27 dbm C50 dbc 3 rd harmonic distortion 3fo p out = +27 dbm C60 dbc pa enable time vref1 toggled, vref2 = 2.85 v 200 ns ieee 802.11g ofdm input signal, 64 qam, 54 mbps output power p out evm = 2.5% evm = 3.0% C +27 +27 C dbm dbm note 1: performance is guaranteed only under the conditions listed in this table. table 5. sky65174-21 electrical specifications (note 1) (v cc = +3.3 v, vref1 = vref2 = 2.85 v, t a = +25 ? c, f = 2.442 ghz, cw, unless otherwise noted) parameter symbol test condition min typical max units continuous wave (cw) input quiescent current i cq 230 ma operational current i cc p out = +24 dbm 520 ma 1 db output compression point op1db +31 dbm small signal gain |s 21 | 33 db ieee 802.11g ofdm input signal, 64 qam, 54 mbps output power p out evm = 2.5% +24 dbm note 1: performance is guaranteed only under the conditions listed in this table.
data sheet ? sky65174-21 wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 5 typical performance characteristics (v cc = +5 v, vref1 = vref2 = 3.1 v, t a = +25 ? c, f = 2.442 ghz, unless otherwise noted) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 +3 +5 +7 + 9 +11 +13 +15 +17 +1 9 +21 +23 +25 +27 +2 9 +31 output power (dbm) evm (%) 2.412 ghz 2.442 ghz 2.4 6 2 ghz figure 3. evm vs output power over frequency (64 qam, 54 mbps, ofdm) 1800 1 6 00 1400 1200 1000 800 6 00 400 200 +1 +5 + 9 +13 +17 +21 +25 +2 9 +33 output power (dbm) c urrent (ma) figure 5. current vs output power (cw, v cc = 3.3 v) +10 0 C10 C20 C30 C40 C50 C 6 0 C70 C80 C0.0 6 +0.02 +0.04 +0.0 6 C0.04 C0.02 0 frequency off s et (ghz) power (dbr) 802.11b p out = +2 9 dbm figure 7. spectral mask (11 mbps, v cc = 3.3 v) 1800 1 6 00 1400 1200 1000 800 6 00 400 200 +1 +5 + 9 +13 +17 +21 +25 +2 9 +33 +37 output power (dbm) c urrent (ma) figure 4. current vs output power (cw) +10 0 C10 C20 C30 C40 C50 C 6 0 C70 C80 C0.0 6 +0.02 +0.04 +0.0 6 C0.04 C0.02 0 frequency off s et (ghz) power (dbr) p out = +30 dbm 802.11b figure 6. spectral mask (11 mbps) +10 0 C10 C20 C30 C40 C50 C 6 0 C70 C80 C0.0 6 +0.02 +0.04 +0.0 6 C0.04 C0.02 0 frequency off s et (ghz) power (dbr) 802.11b p out = +30 dbm figure 8. spectral mask (1 mbps)
data sheet ? sky65174-21: wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 november 19, 2015 ? skyworks proprietary information ? pro ducts and product information are subject to change without not ice ? 201428f +10 0 C10 C20 C30 C40 C50 C 6 0 C70 C80 C0.0 6 +0.02 +0.04 +0.0 6 C0.04 C0.02 0 frequency off s et (ghz) power (dbr) p out = +30 dbm 802.11b figure 9. spectral mask (1 mbps, v cc = 3.3 v) 1.4 1.3 1.2 1.1 1.0 0. 9 0.8 0.7 0. 6 0.5 0.4 0.3 0.2 +1 +5 + 9 +13 +17 +21 +25 +2 9 +33 +37 output power (dbm) dectector voltage (v) figure 11. detector voltage vs output power (cw, v cc = 3.3 v) 1.4 1.3 1.2 1.1 1.0 0. 9 0.8 0.7 0. 6 0.5 0.4 0.3 0.2 +1 +5 + 9 +13 +17 +21 +25 +2 9 +33 +37 output power (dbm) dectector voltage (v) figure 10. detector voltage vs output power (cw) +50 +40 +30 +20 +10 0 C10 C20 C30 C40 C50 C 6 0 012345 6 78 9 10 frequency (ghz) s mall s ignal gain (db) figure 12. small signal gain vs frequency
data sheet ? sky65174-21 wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 7 evaluation board description the sky65174-21 evaluation board is used to test the performance of the sky65174-21 pam. application schematic diagrams are provided in figures 13 (for applicatios using phase and amplitude tracking) and 14 (for applications that do not use amplitude tracking). an assembly drawing for the evaluation board is shown in figure 15. circuit design configurations the following design considerations are general in nature and must be followed regardless of final use or configuration: 1. paths to ground should be made as short as possible. 2. the ground pad of the sky65174-21 has special electrical and thermal grounding requirements. this pad is the main thermal conduit for heat dissipation. since the circuit board acts as the heat sink, it must shunt as much heat as possible from the device. therefore, design the connection to the ground pad to dissipate the maximum wattage produced by the circuit board. multiple vias to the grounding layer are required. for more details, refer to the skyworks application note, pcb design guidelines for high power dissipation packages , document number 201211. 3. bypass capacitors should be used on the dc supply line (vcc). refer to the schematic drawings in figures 13 and 14 for further details. 4. the rf lines should be well separated from each other with solid ground in between traces to maximize input-to-output isolation. note: a poor connection between the slug and ground increases junction temperature (tj), which reduces the lifetime of the device. application circuit notes center ground . it is extremely important to sufficiently ground the bottom ground pad of the device for both thermal and stability reasons. multiple small vias are acceptable and work well under the device if solder migration is an issue. rf_in (pin 1) . the module includes an on board internal dc blocking capacitor for this pin signal (z o = 50 ). all impedance matching is provided internal to the module. gnd (pins 2, 4, 7, and 8) . attach all ground pins to the rf ground plane with the largest diameter and lowest inductance via that the layout allows. multiple small vias are acceptable and work well under the device if solder migration is an issue. vcc (pin 3) . the supply voltage for all three stages is typically set to +5 v. component c2 is a bypass capacitor, and c16 is a decoupling capacitor and energy storage component. vdet (pin 5) . the interstage detector output voltage signal is connected to component c9, which has a filtering function. this value can be adjusted or completely removed to speed up the detector response. component r1 provides a load to the detector and acts as a biasing resistor. rf_out (pin 6) . the module includes an on board internal dc blocking capacitor for this pin signal (z o = 50 ). all impedance matching is provided internal to the module. vref1 (pin 9 ) and vref2 (pin 10) . bias reference voltage for the pa. these signals can be operated from 2.75 v to 3.00 v (measured at the device pins). additional filters may be implemented on vref1 to enhance dynamic linearity performance. the filter is composed of a series 40 resistor in parallel with a series 90 resistor and 0.1 f capacitor. vref1 and vref2 may be used as pa enable pins and can be pulled down to 0 v to disable the pa. package dimensions the pcb layout footprint for the sky65174-21 is provided in figure 16. typical part markings are shown in figure 17. figure 18 shows the package dimensions for the 10-pin mcm, and figure 19 provides the tape and reel dimensions. package and handling information since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. 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 sky65174-21 is rated to moisture sensitivity level 3 (msl3) at 260 ? c. it can be used for lead or lead-free soldering. for additional information, refer to the skyworks application note, pcb design and smt assembly/rework guidelines for mcm-l packages , document number 101752. 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 ? sky65174-21: wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 november 19, 2015 ? skyworks proprietary information ? pro ducts and product information are subject to change without not ice ? 201428f s225 6 rf_in rf input gnd v cc gnd vdet vref2 vref1 gnd gnd rf_out 1 2 3 4 5 10 9 8 7 6 rf output reference voltage 2 (2.85 v) reference voltage 1 (2.85 v) s upply voltage c 2 2.2 f c 1 6 47 pf power detector c9 100 pf r1 2.4 k c 17 dni c 1 9 2200 pf c 1 220 pf c 13 22 pf figure 13. sky65174-21 application schematic for both 3.3 v and 5 v operation s2 8 43 rf_in rf input gnd v cc gnd vdet vref2 vref1 gnd gnd rf_out 1 2 3 4 5 10 9 8 7 6 rf output reference (3.1 v) s upply voltage c 2 2.2 f c 1 6 47 pf power detector c 1 9 100 pf r1 2.4 k r3 3 9 c 17 dni c 1 0.1 f c 20 dni c 13 22 pf r2 9 1 figure 14. sky65174-21 application schematic for applicat ions that do not implement amplitude tracking
data sheet ? sky65174-21 wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 9 rf_out rf_in v cc gnd gnd gnd n/ c vdet vref2 n/ c gnd gnd gnd vref1 s2257 figure 15. sky65174-21 evaluation board assembly drawing
data sheet ? sky65174-21: wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 10 november 19, 2015 ? skyworks proprietar y information ? products and product information are s ubject to change without no tice ? 201428f 4.3 4.3 4.4 8x 0.875 0.125 4x 0.875 0.5 pitch 10x 0.3 pin 1 pin 1 indicator (0.20 x 45) 2x 1.825 c omponent outline c omponent outline c omponent outline s tencil aperture s ize for center ground pad s hould be 80% to 100% (by area) of s older ma s k opening. opening s ize of 6 0 to 100% of expo s ed center opening s hown pin 1 pin 1 indicator (0.20 x 45) s tencil aperture top view metallization top view thermal via array, ? 0.3 mm on 0. 6 mm pitch will improve thermal performance. note: thermal via s s hould be tented and ?lled with s older ma s k, 30-35 mm c u plating recommended. s older ma s k opening top view s203 8 all dimensions are in millimeters 10x 0.7 6 x 0.7 0.25 typ pin 10 10x 0.8 2x 0. 9 38 pin 10 pin 10 0.5 pitch 0.5 pitch 0.125 typ 4x 0.7 6 3 pin 1 10x 0.4 6 x 0.3 4x 0.875 figure 16. pcb layout footprint for the sky65174-21 4 x 4 mm mcm
data sheet ? sky65174-21 wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 11 6 5174-21 exxxxx.xx yyww mx s kywork s part number pin 1 identi?er lot number yy = manufacture year ww = week packaged s ealed mx = c ountry c ode y2 6 11 figure 17. typical part markings (top view) all measurements are in millimeters dimensioning and tolerancing according to asme y14.5m-1994 4 4 pin 1 indicator 0.85 0.1 s ide view b bottom view top view s older ma s k opening s ee detail c 10x s mt pad 0.15 a b c 0.2 a b c 0.1 m a b c c a 0.1 8x 0.5 4x 1.4438 4x 1 10x 1. 9 8x 0.5 detail b s cale: 2x 1x thi s rotation detail a pad s cale: 2x detail c s cale: 2x 3x thi s rotation s2039 0 0 pin 10 pin 1 indicator s ee detail b s ee detail d pin 1 a (0.1) 0.4 0.05 0.3 0.05 0.45 0.1 s older ma s k edge s s older ma s k edge s 0.2 x 45 2x r(0.05) 0.875 0.7 6 25 0.875 0.7 6 25 detail d s cale: 2x 4x thi s rotation s older ma s k edge s 0.875 0.875 5x thi s rotation 5x rotated 180 figure 18. sky65174-21 package dimensions
data sheet ? sky65174-21: wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 12 november 19, 2015 ? skyworks proprietar y information ? products and product information are s ubject to change without no tice ? 201428f s1056 8.00 0.10 4.00 0.10 2.00 0.05 1.75 0.10 12.00 +0.30/C0.10 5.50 0.05 ? 1.50 0.10 ? 1.50 0.25 reference pin indicator 0.229 0.02 4.25 0.10 10 o max 10 o max 1.13 0.10 4.25 0.10 notes: 1. carrier tape material: black conductive polycarbonate or polysterene 2. cover tape material: transparent conductive psa 3. cover tape size: 9.3 mm width 4. all measurements are in millimeters a b b a b a figure 19. sky65174-21 tape and reel dimensions
data sheet ? sky65174-21 wlan pam skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201428f ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? nov ember 19, 2015 13 ordering information model name manufacturing part number evaluation board part number sky65174-21 wlan pam sky65174-21 en31-d662 copyright ? 2010-2012, 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, 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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