skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200209e ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? oct ober 5, 2010 1 data sheet AA116-72LF: 4 mhz-2 ghz 1-bit digital attenuator (15 db lsb) applications ? cellular radio ? wireless data systems ? wll gain level control circuits features ? 3 v control ? low loss ? small sot-5 package (msl1, 260 ? c per jedec j-std-020) skyworks offers lead (pb)-free rohs (restriction of hazardous substances) compliant packaging. 15 db s2182 j1 j2 figure 1. AA116-72LF block diagram description the AA116-72LF is a one-bit gaas fet digital attenuator in a low- cost sot-5 package. the device has a least significant bit (lsb) of 15 db and is particularly suited where high attenuation accuracy, low insertion loss, and low intermodulation products are required. 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. 1 54 23 s21 8 3 j1 rf_gnd j2 v2 v1 figure 2. AA116-72LF pinout C 5-pin sot-5 (top view)
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 october 5, 2010 ? skyworks proprietary in formation ? products and product information are subjec t to change without notic e ? 200209e table 1. AA116-72LF signal descriptions pin # name description pin # name description 1 j1 rf port. must be dc blocked. 4 v1 dc control bias 2 rf_gnd rf ground. must be ac-coupled to ground. 5 v2 dc control bias 3 j2 rf port. must be dc blocked. table 2. AA116-72LF absolute maximum ratings parameter symbol minimum maximum units rf input power p in 1 w > 500 mhz 0/8 v 0.5 w @ 50 mhz 0/8 v dbm dbm supply voltage v s 8 v control voltage v ctl C0.2 +8.0 v operating temperature t op C40 +85 ? c storage temperature t stg C65 +150 ? c note: 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. electrical and mechanical specifications the absolute maximum ratings of the AA116-72LF are provided in table 2. electrical specifications are provided in table 3. typical performance characteristics of the AA116-72LF are illustrated in figures 3 through 6. the state of the AA116-72LF is determined by the logic provided in table 4.
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200209e ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? oct ober 5, 2010 3 table 3. AA116-72LF electrical specifications (note 1) (v ctl = 0 to 3 v, t op = +25 ? c, characteristic impedance [z o ] = 50 , unless otherwise noted) parameter symbol test condi tion min typical max units insertion loss (note 2) il 0.004 to 0.05 ghz 0.5 to 1.00 ghz 0.85 to 0.94 ghz 1.00 to 2.00 ghz 0.35 0.35 0.30 0.40 0.45 0.45 0.38 0.50 db db db db attenuation range 15 db attenuation accuracy (note 3) 0.004 to 0.05 ghz 0.50 to 2.00 ghz 0.85 to 0.94 ghz 14.0 14.0 14.5 14.6 15.0 15.0 16.0 16.0 15.5 db db db return loss 0.004 to 0.05 ghz 0.50 to 1.00 ghz 30 24 db db switching characteristics (note 4): rise/fall on/off video feedthrough 10/90% or 90/10% rf 50% v ctl to 90/10% rf t rise = 1 ns, bandwidth = 500 mhz 40 50 70 ns ns mv 1 db input compression point ip1db 4 to 50 mhz, v s = 5 v 0.5 to 2.5 ghz, v s = 3 v 0.5 to 2.5 ghz, v s = 5 v +9 +12 +20 +26 dbm dbm dbm 3 rd order input intercept point iip3 for two-tone input power, +10 dbm/tone, 0.5 to 2.5 ghz v s = 3 v v s = 5 v +41 +45 dbm dbm control voltages v ctl v low = 0 to 0.2 v v high = 3 v @ 25 a typical to 5 v @ 50 a typical note 1: performance is guaranteed only under the conditions listed in this table. note 2 : insertion loss changes by 0.003 db/ c. note 3 : maximum attenuation includes insertion loss. note 4 : switching characteristics will vary with th e value chosen for the blocking capacitors.
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 october 5, 2010 ? skyworks proprietary in formation ? products and product information are subjec t to change without notic e ? 200209e typical performance characteristics (v ctl = 0 to 3 v, t op = +25 ? c, characteristic impedance [z o ] = 50 , unless otherwise noted) frequency (ghz) insertion loss (db) C1.0 C0.9 C0.8 C0.7 C0.6 C0.5 C0.4 C0.3 C0.2 C0.1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 figure 3. insertion loss vs frequency frequency (ghz) attenuation (db) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 C20 C18 C16 C14 C12 C10 C8 C6 C4 C2 0 figure 5. attenuation vs frequency frequency (ghz) return loss (db) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 C40 C36 C32 C28 C24 C20 C16 C12 C8 C4 0 figure 4. return loss in insertion loss state vs frequency frequency (ghz) return loss (db) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 C40 C36 C32 C28 C24 C20 C16 C12 C8 C4 0 figure 6. return loss in attenuation state vs frequency
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200209e ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? oct ober 5, 2010 5 table 4. AA116-72LF truth table j1 to j2 v1 (pin 4) v2 (pin 5) insertion loss v high 0 attenuation 0 v high note : v high = +3 v to +5 v all other conditions not recommended. evaluation board description the AA116-72LF evaluation board is used to test the performance of the AA116-72LF digital attenuator. an assembly drawing for the evaluation board is shown in figure 7 and an evaluation board schematic diagram is shown in figure 8. package dimensions the pcb layout footprint for the AA116-72LF is shown in figure 9. typical case markings are noted in figure 10. package dimensions for the 5-pin sot-5 are shown in figure 11, and tape and reel dimensions are provided in figure 12. 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 AA116-72LF 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 ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 october 5, 2010 ? skyworks proprietary in formation ? products and product information are subjec t to change without notic e ? 200209e j2 c 3 c 2 c 1 v1 v2 j1 s2184 figure 7. AA116-72LF evaluation board assembly diagram
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200209e ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? oct ober 5, 2010 7 1 2 3 4 5 s2185 j1 j1 rf_ g nd j2 v2 v1 s witch c ontrol ( s ee table 4) s witch c ontrol ( s ee table 4) c bl c bp note: c bl = 33 pf, c bp = 39 pf for 900 mhz operation. c bl = 100 nf, c bp = 100 nf for 0.004 to 0.05 ghz operation. j2 c bl figure 8. AA116-72LF evaluation board schematic diagram *** tbd *** figure 9. AA116-72LF pcb layout footprint
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 october 5, 2010 ? skyworks proprietary in formation ? products and product information are subjec t to change without notic e ? 200209e bottom 11 55 44 22 3 s kywork s part # lot # 3 top a11 6 xxxx figure 10. typical part markings 0.074 (1.90 mm) ref. 0.118 (3.00 mm) 0.087 (2.20 mm) 0.012 (0.30 mm) 0.000 (0.00 mm) min. 0.122 (3.10 mm) 0.106 (2.70 mm) 0.064 (1.63 mm) 0.035 (0.90 mm) 0.020 (0.51 mm) 0.014 (0.35 mm) 1 54 23 0.037 (0.95 mm) ref. 0.069 (1.75 mm) 0.052 (1.30 mm) 0.024 (0.61 mm) 0.004 (0.10 mm) 0.0104 (0.26 mm) 0.0035 (0.09 mm) min. 0.012 (0.30 mm) typ. s1657 dimensions are in inches (millimeters shown in parentheses) figure 11. AA116-72LF 5-pin sot-5 package dimensions
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200209e ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? oct ober 5, 2010 9 notes: 1. carrier tape: black conductive polystyrene. 2. cover tape material: transparent conductive hsa. 3. cover tape size: 5.40 mm width. 4. ten sprocket hole pitch cumulative tolerance = 0.20 mm. 5. all measurements are in millimeters. 6. standard reel size is 7 inches. standard reel quantity is 3000 pcs. 8.00 +0.30/C0.10 4.00 ( s ee note 4) 4.00 0.10 3.50 0.05 2.00 0.05 3.15 0.10 (ao) 0.20 0.03 1.75 0.10 1.40 0.10 (ko) 3.20 0.10 (bo) a b pin #1 ? 1.50+ 0.10/C0.00 ? 1.00 min. s1 6 81 r0.30 typ a b b a figure 12. AA116-72LF tape and reel dimensions
data sheet ? AA116-72LF 1-bit digital attenuator skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 10 october 5, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 200209e ordering information model name manufacturing part number evaluation board part numbers AA116-72LF 1-bit digital attenuator AA116-72LF AA116-72LF-evb copyright ? 2002-2008, 2010 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, including fitness for a particular purpose or use, merchantability, performance, qualit y or non-infringement of any intellectual property right; all su ch warranties are hereby expressly disclaimed. skyworks does not warrant the accura cy or completeness of the information, text, graphics or other items contained within these ma terials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequentia l damages, including 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 damage. 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, the skyworks symbol, a nd breakthrough simplicity are trademarks or registered tradem arks of skyworks solutions, inc ., in the united states and othe r countries. third-party brands and names are for identification purposes only, and are the proper ty of their respective owners. additional information, includ ing relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
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