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skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201428d ? skyworks propr ietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 1 data sheet sky65174 - 21 : 2. 4 C 2. 5 ghz w lan 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: + 2 7 dbm @ < 2.5 % evm ? high gain: 3 5 db ? in put/outpu t in ternally matched to 50 ? internal , active bias circuits ? mcm ( 10- pin, 4 x 4 mm) package (msl3, 260 c per jedec j - std - 020) description the sky65174 - 21 is a highly integrated power amplifier module (pa m) 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) ingap 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. figure 1. sky65174 - 21 pam block diagram www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [781] 376 - 3000 ? fa x [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 2 april 26 , 2012 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 201428d f igure 2. sky65174 - 21 pinout C 10- pin mcm (top view) table 1. sky65174 - 21 signal descriptions pin # name description i/o signal type 1 rf_in rf transmitter input i rf 2 gnd ground C C 3 v cc supply voltage i supply 5 v 4 gnd ground C C 5 vdet power det ector output o analog 6 rf_out rf transmitter output o rf 7 gnd ground C C 8 gnd ground 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 enable s an error vector magnitude (evm) of less than three percent at output power levels of +27 dbm. the power detector achieves a dynamic range g reater tha n 2 5 db . the pam is stable up to a n 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 specific ations are provided in table s 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 . www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [ 781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 201428d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 3 tab le 2. sky65174 - 21 absolute maximum ratings (note 1) parameter symbol minimum maximum units rf output power (cw) p out + 30 db m 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 2 jc 28 c/w storage temperature t stg C 55 +125 c operating temperature t a C 40 +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 device. 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 device must be protected at all times from esd. static charges may easily produce potentials of several kilovolts on the human body or equipment, which can dis charge 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 volta ge 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 6 0 0 ma operating temperature t a C 35 +25 +85 c note 1 : measured at the package pins. www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [781] 376 - 3000 ? fa x [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 4 april 26 , 2012 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 201428d 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 otherw ise noted) parameter symbol test condition min typical max units continuous wave (cw) input quiescent current i cq 2 7 5 300 ma operational current i cc p out = +27 dbm 7 00 800 ma 1 db output compression point op1db +31.0 +3 4.5 dbm noise figure nf 7 db small signal gain |s 21 | 34.0 3 4. 5 35.0 db gain variation %s 21 p in = C 25 dbm, f = 2. 4 to 2. 5 ghz 1 db input return loss |s 1 1 | 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 C 50 dbc 3 rd harmonic distortion 3fo p out = +27 dbm C 60 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 +2 7 +27 C dbm dbm note 1: performance is guaranteed only under the condition s 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) inp ut 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. www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [ 781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 201428d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 5 typical performance characteristics (v cc = +5 v, vref1 = vref2 = 3.1 v, t a = +25 c, f = 2.442 ghz, unless otherwise noted) figure 3. evm vs output power over freque ncy (64 qam, 54 mbps, ofdm) figure 5. current vs output power (cw, v cc = 3.3 v) figure 7. spectral mask (11 mbps, v cc = 3.3 v) figure 4. current vs output power (cw) figure 6. spectral mask (11 mbps) figure 8. spectral mask (1 mbps) www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [781] 376 - 3000 ? fa x [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 6 april 26 , 2012 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 201428d figure 9. spectral mask (1 mbps, v cc = 3.3 v) figure 11. detector voltage vs output power (cw, v cc = 3.3 v) figure 10. detector voltage vs output power (cw) figure 12. small signal gain vs frequency www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [ 781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 201428d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 7 evaluation board description the sky65174 - 21 evalua tion board is used to test the performance of the sky65174 - 21 pam. a pplication schematic diagram s are provided in figure s 1 3 (for applicatios using phase and amplitude tracking) and 1 4 (for applications that do not use amplitude tracking) . an assembly draw ing for the evaluation board is shown in figure 1 5 . 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 possibl e. 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 dev ice. 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 shoul d be used on the dc supply line (vcc) . refer to the schematic drawing s in figure s 1 3 and 1 4 for further details. 4. the rf lines should be well separated from each other wit h solid ground in between traces to maximize input - to - output isolation. note: a poor connection between the slug and ground increases junction temperature (t j ), which reduces the lifetime of the device. application circuit notes center ground . it is extrem ely 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 boa rd internal dc blocking capacitor for this pin signal (z o = 50 w ). 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 inte rstage detector output voltage signal is connected to component c9 , w hich 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 resis tor. rf_out (pin 6) . the module includes an on board internal dc blocking capacitor for this pin signal (z o = 50 w ) . all impedance matching is provided internal to the module. vref1 (pin 9) and vref2 (pin 10) . bias reference voltage for the pa. these signa ls can be operated from 2.75 v to 3.0 0 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 w resistor in parallel with a series 90 w resistor and 0. 1 m f capacitor. vref 1 and v ref 2 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 1 6 . figure 1 7 shows the package dimensions for the 10- pin mc m , and figure 1 8 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 exp osure 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 leve l 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 atta ching 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. www.datasheet.co.kr datasheet pdf - http://www..net/
preliminary data she et ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201428d ? skyworks propr ietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 8 figure 13. sky65174 - 21 application schematic for both 3.3 v and 5 v oper ation figure 1 4. sky65174 - 21 application schematic for applications that do not implement amplitude tracking www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [ 781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 201428d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 9 figure 15 . sky65174- 21 evaluation board assembly drawing www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [781] 376 - 3000 ? fa x [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 10 april 26 , 2012 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 201428d figure 16 . pcb layout footprint for the sky65174- 21 4 x 4 mm mcm www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [ 781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 201428d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 11 figure 17. sky65174 - 21 10- pin mcm package dimensions www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [781] 376 - 3000 ? fa x [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 12 april 26 , 2012 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 201428d figure 18. sky65174 - 21 tape and reel dimensions www.datasheet.co.kr datasheet pdf - http://www..net/
data sheet ? sky65174 - 21 wlan pam skyworks solutions, inc. ? phone [ 781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 201428d ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? april 26 , 2012 13 ordering information model name manufacturing part number evaluation board part number sky65174 - 21 w lan pam sky65174 - 21 en31 - d662 c opyright ? 20 10 , 2011 , 2012 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyworks solutions, inc. (skyworks) products or services. these materials, including the information contained herein, a re 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 it s documentation, products, services, specifications or product descriptions at any time, without notice. skyworks makes no co mmitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or ot her difficulties arising from any future changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this docume nt. skyworks assumes no liability for any materials, products or information prov ided hereunder, including the sale, distribution, reproduction or use of skyworks products, information or materials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are provided as is without w arranty of any kind, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantability, performance, quality or non - infringement of any intellectual property right; all such warranties are hereby expressl y disclaimed. skyworks does not warrant the accuracy or completeness of the information, text, graphics or other items containe d within these materials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incid ental, statutory, or consequential damages, 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 m aterials has been advised of the possibility of such dama ge. skyworks products are not intended for use in medical, lifesaving or life - sustaining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyworks custome rs using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skywo rks 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 speci fications 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 minimize 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 outs ide of stated published specifications or parameters. skyworks, the skyworks symbol, helios, and breakthrough simplicity are trademarks or registered trademarks of skyworks solu tions, inc., in the united states and other countries. third - party brands and nam es are for identification purposes only, and are the property of their respective owners. additional information, including r elevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference. www.datasheet.co.kr datasheet pdf - http://www..net/

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