skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201776b ? skyworks proprietary and confidential information. ? products and product information are subject to change withou t notice. ? august 29, 2013 1 product summary sky 77765 skyhi ? power amplifier module for cdma / wcdma / hsdpa / hsupa / hspa + / lte C band v ( 815 C 849 mhz) applications ? wcdma handsets ? hsdpa ? hsupa ? hspa + ? lte ? cdma2000 ? evdo features ? low voltage positive bias supply 3.2 v to 4.2 v ? good linearity ? high efficiency - 5 0 % at 28. 2 5 dbm ? large dynamic range ? small, low profile package - 3 mm x 3 mm x 0.9 mm - 10- pad configuration ? power down control ? ingap ? supports low collector voltage operation ? digital enable ? no v ref required ? cmos compatible control signals ? integrated directional coupler description the sky 77765 skyhi ? power amplifier module (pam) is a fully matched 10 - pad surface mount module developed for wideband code division multiple access (wcdma) applications. this small an d efficient module packs full 815 - 849 mhz bandwidth coverage into a single compact package. because of high efficiencies attained throughout the entire power range, the sky 77765 delivers unsurpassed talk - time advantages. the sky 77765 meets the stringent sp ectral linearity requirements of high speed downlink packet access (hsdpa), high speed uplink packet access (hsupa), and long term evolution (lte) data transmission with high power added efficiency. an integrated directional coupler eliminates the need for any external coupler. the gallium arsenide (gaas) microwave monolithic integrated circuit (mmic) contains all amplifier active circuitry, including input and interstage matching circuits. the silicon cmos support die, providing precision biasing for the m mic affords a true cmos - compatible control interface. output match into a 50 - ohm load , realized off - chip within the module package , optimize s efficiency and power performance. the sky 77765 is manufactured with skyworks' ingap gaas heterojunction bipolar tr ansistor (hbt) process which provides for all positive voltage dc supply operation and maintains high efficiency and good linearity. while primary bias to the sky 77765 can be supplied directly from any suitable battery with an output of 3.2 v to 4.2 v, opt imal performance is obtained with vcc2 sourced from a dc - dc power supply adjusted w ithin 0.5 v to 3.4 v based on target output power levels. power down executes by setting venable to zero volts. no external supply side switch is needed as typical "off" lea kage is a few microamperes with full primary voltage supplied from the battery. figure 1. sky 77765 functional block diagram
ordering information product name order number evaluation board part number sky 77765 skyhi ? power amplifier module sky 77765 en 40 - d 345 - 00 3 copyright ? 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 information 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 inform ation contained herein. skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. skyworks makes no commitment to update the materials or information and shall have no responsibility what soever 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, products 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, includi ng fitness for a particular purpose or use, merchantability, performance, quality or non - infringement of any intellectual property right; all such warranties 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 any 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 h as been advised of the 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, phy sical or environmental damage. skyworks customers using or selling skyworks products for use in such applications do so at th eir own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsi ble for their 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 incl ude 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 sp ecifications or parameters. skyworks, the skyworks symbol, breakthrough simplicity, and skyhi are trademarks or registered trademarks of skyworks solutions, inc., in the united s tates and other countries. third - party brands and names are for identification purposes only, and are the property of their respective owners. additional informatio n, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
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