skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201822b ? skyworks proprietary and confidential information. ? products and product info rmation are subject to change without notice. ? july 11, 2012 1 product summary sky77751 - 12 dual - band skyhi ? power amplifier module for wcdma/ hsdpa/ hsupa/ hspa+/ lte (bands i, viii) cdma (band i) applications ? wcdma handsets ? hsdpa ? hsupa ? cdma2000 ? evdo ? lte features ? low voltage positive bias supply : v batt 3. 0 v to 4. 5 v ? good linearity ? high efficiency - bands i and viii: 44% at maximum power output ? large dynamic range ? small, low profile package - 3 mm x 4 mm x 0.9 mm - 16- pad configuration ? power down control ? ingap ? s upports low collector voltage vcc operation ? digital enable ? no v ref required ? cmos compatible control signals ? integrated directional coupler the sky 77751- 12 skyhi ? power amplifier module (pam) is a fully matched, 16 - pad , surface mount module developed for wideba nd code division multiple access (wcdma) , code division multiple access (cdma), and long term evolution (lte) applications. this small and efficient module packs full coverage wcdma bands i and viii into a single compact package. the sky 77751- 12 meets stringent spectral linearity requirements for wcdma transmission up to maximum power output . the pam also meets stringent spectral linearity requirements for wcdma, hsdpa, hsupa, hspa, and cdma2000 data transmission with high power - added efficiency. a dire ctional coupler is integrated into the module thus eliminating the need for any external coupler. the single gallium arsenide (gaas) microwave monolithic integrated circuit (mmic) contains all active circuitry in the module. the mmic contains on - board bia s circuitry, as well as input and interstage matching circuits. output match into a 50 - ohm load is realized off - chip within the module package to optimize efficiency and power performance. the sky77751 - 12 pam is manufactured with skyworks ingap gaas het erojunction bipolar transistor (hbt) process that provides for all positive voltage dc supply operation while maintaining high efficiency and good linearity. no vref voltage is required. power down is accomplished by setting the voltage on venhb and venlb to zero volts. no external supply side switch is needed as typical off leakage is a few microamperes with full primary voltage supplied from the battery.
ordering information order number manufacturing part number evaluation board part number sky 77751 sky 77751 - ? 2012 , 2013, 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 infor mation 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 here in. skyworks may change its documentation, products, services, specifications or product descriptions at any time, without no tice. skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts , incompatibilities, or other 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, p roducts or information provided hereunder, including the sale, distribution, reproduction or use of skyworks products, information or ma terials, 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 otherwise, including fitness for a particular purpose or use, merchantability, performance, quality or non - infringement of any intellectual property right; all such war ranties are hereby expressly 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 a ny special, indirect, incidental, 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 t he possibility of such damage. 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 customers using or selling skyworks products for use in such applications do so at their own r isk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for t heir products and applications using skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. customers should include desig n 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 specificati ons 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 onl y, and are the property of their respective owners. additional information, including relevant terms and conditions, posted a t www.skyworksinc.com, are incorporated by reference.
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