skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200056n ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? aug ust 6, 2015 1 data sheet smv1145-079lf: hyperabrupt junction tuning varactor applications ? high volume commercial systems features ? frequency linear design ? low series resistance ? package is rated msl1, 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?nition of green tm , document number s q04C0074. description the smv1145-079lf silicon hyperabrupt junction varactor diode is specifically designed with an increasing gamma versus voltage characteristic. this results in improved voltage-controlled oscillator (vco) frequency-voltage linearity compared to a conventional hyperabrupt junction varactor. the smv1145-079lf varactor is characterized for capacitance and resistance over temperature. table 1 describes the package and marking of the smv1145-079lf varactor. table 1. packaging and marking single sc-79 g reen ? smv1145-079lf marking: cathode and 3h l s = 0.7 nh the pb-free symbol or lf in the part number denotes a lead-free, rohs-compliant package unless otherwise noted as g reen?. tin/lead (sn/pb) packaging is not recommended for new designs.
data sheet ? smv1145-079lf varactor skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 august 6, 2015 ? skyworks prop rietary information ? products and product information are s ubject to change without notice ? 200056n electrical and mechanical specifications the absolute maximum ratings of the smv1145-079lf varactor are provided in table 2. electrical specifications are provided in table 3. typical performance characteristics for the smv1145-079lf varactor are illustrated in figures 1 through 4. table 4 summarizes the capacitance of the smv1145-079lf for reverse voltages between 0 and 12 v. the spice model for the smv1145-079lf varactor is shown in figure 5 and the associated model parameters are provided in table 5. package dimensions are provided in figure 6. tape and reel dimensions are provided in figure 7. 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 smv1145-079lf varactor 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. table 2. smv1145-079lf absolute maximum ratings (note 1) parameter symbol minimum typical maximum units reverse voltage v r 12 v forward current i f 20 ma power dissipation p dis 250 mw operating temperature t op C55 +125 ? c storage temperature t st g C55 +150 ? c electrostatic discharge: human body model (hbm), class 0 esd < 250 v note 1: 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. table 3. smv1145-079lf electrical specifications (note 1) (note 2) (t op = 25 ? c, unless otherwise noted) part number c t @ 1 v (pf) c t @ 3 v (pf) c t @ 6 v (pf) c t @ 1 v c t @ 3 v ratio (pf) c t @ 1 v c t @ 6 v ratio (pf) r s @ 3 v, 500 mhz ( ) q @ 3 v, 50 mhz min. max. typ. typ. min. max. min. max. max. typ. smv1145-079lf 25.50 31.2 18.1 10.6 1.50 1.65 2.50 3.00 0.60 300 note 1: performance is guaranteed only under the conditions listed in this table. note 2: reverse voltage, v r (i r = 10 a): 12 v minimum. reverse current, i r (v r = 9.6 v): 20 na maximum.
data sheet ? smv1145-079lf varactor skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200056n ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? aug ust 6, 2015 3 typical performance characteristics 1.0 10.0 100.0 6.0 8.0 4.0 reverse voltage (v) 2.0 0 capacitance (pf) ts485 figure 1. capacitance vs reverse voltage C3 C2 C1 0 +1 +2 +3 +4 +5 C40 C20 0 +20 +40 + 6 0 +80 percentage c hange (%) temperature ( c ) v r = 1 v v r = 4 v figure 3. relative capacitance change vs temperature 0.4 0. 6 0.8 rever s e voltage (v) 01 2 3 45 r s ( ) t s 48 6 figure 2. series resistance vs reverse voltage @ 500 mhz +12 +10 +8 + 6 +4 +2 0 C2 C4 C 6 C8 C40 C20 0 +20 +40 + 6 0 +80 percentage c hange (%) temperature ( c ) figure 4. relative series resistance change vs temperature
data sheet ? smv1145-079lf varactor skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 august 6, 2015 ? skyworks prop rietary information ? products and product information are s ubject to change without notice ? 200056n table 4. capacitance vs reverse voltage v r (v) c t (pf) v r (v) c t (pf) 0 41.81 6.5 9.81 0.5 33.38 7.0 9.17 1.0 28.35 7.5 8.66 1.5 24.82 8.0 8.29 2.0 22.11 8.5 7.99 2.5 19.91 9.0 7.76 3.0 18.06 9.5 7.58 3.5 16.45 10.0 7.43 4.0 15.02 10.5 7.30 4.5 13.73 11.0 7.15 5.0 12.57 11.5 7.10 5.5 11.53 12.0 7.02 6.0 10.60 diode varactor_diode area = 1 model = diode_model mode = nonlinear ind l s l = l s res r s r = r s cap c p c = c p port p_anode port = 1 port p_cathode port = 2 diodem diode_model i s = 1.00e-14 r s = 0 n = 1 t t = 0 c jo = c jo m = m v j = v j e g = 1.11 x ti = 3 k f =0 a f =1 f c = 0.5 b v = v b i bv = 1e-3 i sr = 0 n r = 2 i kf = 0 n bv = 1 i bvl = 0 n bvl = 1 t bv1 = 0 t nom = 27 f fe = 1 s1672 figure 5. spice model table 5. spice model parameters part number c jo (pf) v j (v) v b (v) m c p (pf) r s ( ) smv1145-079lf 41.80 2.50 12 1.10 0 0.60
data sheet ? smv1145-079lf varactor skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 200056n ? skyworks proprietary information ? products and product in formation are subject to cha nge without notice ? aug ust 6, 2015 5 0.0 6 0 (1.50 mm) min. 0.0 6 7 (1.70 mm) max. 0.010 (0.25 mm) min. 0.014 (0.35 mm) max. 0.043 (1.10 mm) min. 0.051 (1.30 mm) max. 0.020 (0.50 mm) min. 0.028 (0.70 mm) max. 0.003 (0.07 mm) min. 0.008 (0.20 mm) max. 10 max. 10 max. 0.028 (0.70 mm) min. 0.035 (0. 9 0 mm) max. 0.00 6 (0.15 mm) min. polarity indicator area 12 s1 6 52 dimensions are in inches (millimeters shown in parentheses) box or bar figure 6. sc-79 package dimensions s2188 notes: 1. carrier tape: black conductive polycarbonate. 2. cover tape: transparent conductive material. 3. cover tape size: 5.4 mm width. 4. esd surface resistivity is 1 x 10 4 ~ 1 x 10 8 ohms/square. 5. all measurements are in millimeters. 6. standard reel size is 7 inches. standard reel quantity is 3000 pcs. 8.00 0.10 3.50 0.05 a a a bb b ? 1.50 0.10 ? 0.50 0.05 1.30 0.05 4.00 0.10 2.00 0.05 0.45 0.05 0. 9 0 0.05 0.1 9 1. 9 4 0.05 0.73 0.05 1.75 0.10 c athode indicator figure 7. sc-79 tape and reel dimensions
data sheet ? smv1145-079lf varactor skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 august 6, 2015 ? skyworks prop rietary information ? products and product information are s ubject to change without notice ? 200056n copyright ? 2002-2011, 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.
|
