skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 200847c ? s kyworks proprietary information ? products and product informatio n are subject to change without notice ? january 25 , 2011 1 data sheet silicon schottky barrier diodes: packaged, bondable chips and beam leads applications ? detectors ? mixers features ? available in both p - type and n - type low barrier and zbd designs ? low 1/f noise ? large bond pad chip design ? planar passivated beam - lead and chip construction ? packages rated msl 1 , 260 c per jedec j - std - 020) description skyworks packaged, beam - lead and chip schottky barrier detector diodes are designed for applications through 40 ghz in the ka band. they are made by the deposition of a s uitable barrier metal on an epitaxial silicon substrate to form the junction. the process and choice of materials result in low series resistance along with a narrow spread of capacitance values for close impedance control. p - type silicon is used to obtain superior 1/f noise characteristics. n - type silicon is also available. packaged diodes are suitable for use in waveguide, coaxial, and stripline applications. beam - lead and chip diodes can also be mounted in a variety of packages or on special customer sub strates. unmounted beam - lead diodes are especially well suited for use in microwave integrated circuit (mic) applications. mounted beam - lead diodes can be easily used in mic, stripline, or other such circuitry. the se u niversal c hips are designed for a hi gh degree of device reliability in both commercial and industrial uses. the offset bond pad assures that no mechanical damage occur s at the junction during the wire bonding. additionally , the 4 mil bond pad eliminates performance variation due to bonding , improves efficiency during manual operations , and is ideal for automated assembly . the choice o f n - and p - type silicon allows the designer to optimize the silicon materia l for the intended application: ? doppler mixers and high - sensitivity detectors bene fit from using the low noise characteristics of the p - type silicon. ? low conversion loss mixers and biased detectors can be designed using standard n - type material. applications these diodes are categorized by tangential signal sensitivity (tss) for detecto r applications in four frequency ranges: s, x, ku, and ka band s . however, they can also be used as modulators, high - speed switches , and low - power limiters. tss is a parameter that describes a diodes detector sensitivity. it is defined as the amount of sig nal power, below a one - milliwatt reference level, required to produce an output pulse with an amplitude sufficient to raise the noise fluctuations by an amount equal to the average noise level. tss is approximately 4 db above the m inimum d etectable s ignal. the p - type schottky diodes in this d ata s heet are optimized for low noise in the 1/f region. they require a small forward bias (to reduce video resistance) if efficient operation is required. the b ias not only increases sensitivity but also reduces parame ter variation due to temperature change. video impedance is a direct function of bias and follows the 26/l (ma) relationship. this is important to pulse fidelity, since the video impedance together with the detector output capacitance affects the effective amplifier bandwidth. bias does, however, increase typical noise, particularly in the 1/f region. therefore, it should be kept as low as possible (typically 5 to 50 a).
silicon schottky bar rier diodes skyworks solutions, inc. ? p hone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 2 january 25 , 2011 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 200847c assembly and handling procedure die attach methods universal chips are compatible wit h both eutectic and conductive epoxy die attach methods. eutectic composition p re forms of au/sn or au/ge are useful when soldering devices in circuit. gold/silicon eutectic die attach ments can be accomplished by scrubbing the chip directly to the gold plat ed bonding area. epoxy die attach ments with silver or gold filled conductive epoxies can also be used whe n thermal heat sinking is not a requirement. wire bonding two methods can be used to connect wire, ribbon, and wire mesh to the chips: ? thermocompressi on ? ballbonding skyworks recommends use of pure gold wire (0.7 to 1.25 mil diameter). electrical and physical specifications for the silicon schottky barrier diodes are provided in tables 1 through 6. spice model parameters are defined in table 7. typical p erformance characteristics are shown in figures 1 through 4. typical video detector circuits are shown in figure 5. table 1. electrical specifications: beam - lead p - type detector schottky diodes frequency band part number electrical characteristics test frequency (ghz) outline drawing tss (dbm) (note 1) r v ( ) c j @ 0 v (pf) v f @ 1 ma (mv) v b @ 10 ma (v) typ. min. max. max. x ddb2503 - 000 50 500 700 0.15 200- 350 2 10.00 491- 006 ku ddb2504 - 000 48 500 700 0.10 200- 350 2 16.00 491- 006 k ddb2265 - 000 50 (note 2) 800 (note 2) 1200 (note 2) 0.10 300- 450 3 24.15 491- 006 note 1: bias = 50 a video bandwidth = 10 mhz. note 2: bias = 30 a table 2. epoxy and hermetic packaged beam - lead p - type detector schottky diodes part numbers /outline drawings epo xy stripline 250 epoxy stripline 230 hermetic stripline 220 ddb2503 - 250 ddb2503 - 230 ddb2503 - 220 ddb2504 - 250 ddb2504 - 230 ddb2504 - 220 ddb2265 - 250 ddb2265 - 230 ddb2265 - 220
data sheet ? silic on schottky barrier diodes s kyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 200847c ? skyworks proprietary and confidential information ? products and product informatio n are subject to change without noti ce ? january 25 , 2011 3 table 3. electrical specifications: p - type detector schottky diode universal chip s frequency band part number barrier electrical characteristics outline drawing r v @ zero bias (k ) tss (dbm) (note 1) c j @ 0 v (pf) v f @ 1 ma (mv) r t @ 10 ma ( ) (note 2) v b @ 10 n a (v) typ. min. max. max. min. ku cdb7620 - 000 low 537 40 0.15 250- 350 30 2 571- 006 k cdb7619 - 000 low 735 50 (note 3 ) 0.10 275- 375 40 2 571- 006 ku cdc7630 - 000 zbd 5.5 52 0.25 135- 240 30 1 (note 4) 571- 006 k cdc 7 631- 000 zbd 7.2 56 0.15 150- 300 80 2 (note 4) 571- 006 note 1: bias = 50 m a video bandwidth = 10 mhz r v = 2800 w note 2 : rt is the slope resistance @ 10 ma. the maximum series resistance (rs) is calculated a s: rs = rt C 2.8. note 3 : bias = 30 a note 4 : measured @ 100 a. table 4. hermetic packaged p - type detector schottky diode chips part numbers /outline drawings hermetic pill 207 hermetic pill 203 cdb7620 - 207 cdb7620 - 203 cdb761 9 - 207 cdb7619 - 203 cdc7630 - 207 cdc7630 - 203 cdc7631 - 207 cdc7631 - 203 table 5. electrical specifications: n - type detector schottky diode chips frequency band part number electrical characteristics r v @ zero bias (k ) outline drawing barr ier v f @ 1 ma (mv) c j @ 0 v (pf) r t @ 10 ma ( ) v b @ 10 n a (v) max. max. min. typ. x cdf7623 - 000 low 240- 300 0.30 10 2 245 571- 011 k cdf7621 - 000 low 270- 350 0.10 20 2 680 571- 011 ku cme7660 - 000 medium 350- 450 0.15 10 3 C 571- 011 k cde7618 - 000 m edium 375- 500 0.10 20 3 C 571- 011 ku cdp7624 - 000 medium/high 450- 575 0.15 15 3 C 571- 011 table 6. hermetic packaged beam - lead n - type detector schottky diode chips part numbers /outline drawings hermetic ceramic pill 207 hermetic ceramic pill 203 cdf762 3 - 207 cdf7623 - 203 cdf7621 - 207 cdf7621 - 203 cme7660 - 207 cme7660 - 203 cde7618 - 207 cde7618 - 203 cdp7624 - 207 cdp7624 - 203
data sheet ? silic on schottky barrier diodes skyworks solutions, i nc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 4 january 25 , 2011 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 200847c table 7. spice model parameters parameter units part number cdf7620 - 000 cdf7621 - 000 cdc7623 - 000 cdb7619 - 000 cdc7630 - 000 cdc7631 - 000 i s a 4e - 08 9e - 08 1.1e - 07 3e - 08 5e - 06 3.8e - 06 r s 4 6 5 30 20 51 n C 1.20 1.10 1.10 1.04 1.05 1.05 tt sec 1e - 11 1e - 11 1e - 11 1e - 11 1e - 11 1e - 11 c jo pf 0.15 0.11 0.20 0.11 0.14 0.08 m C 0.35 0.30 0.30 0.32 0.4 0.4 e g ev 0.69 0.69 0.69 0.69 0.69 0.69 xt i C 2 2 2 2 2 2 f c C 0.5 0.5 0.5 0.5 0.5 0.5 b v v 10 2.5 2.5 3.0 2 2 i bv a 1e - 05 1e - 05 1e - 05 1e - 05 1e - 04 1e - 04 v j v 0.495 0.510 0.510 0.540 0.34 0.34 typical i - v characteristics figure 1. cdf7621 - 000 figure 2. cdb7619 - 000
data sheet ? silic on schottky barrier diodes s kyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 200847c ? skyworks proprietary and confidential information ? products and product informatio n are subject to change without noti ce ? january 25 , 2011 5 typical performan ce data figure 3. voltage output vs input power as a function of load resistance figure 4. voltage output vs input power as a function of load resistance and bias figure 5. typical video detector circuits shipping information individual chips s kyworks silicon schottky barrier diodes are provided in waffle packs for bare die and in gel - pack carriers for beamlead devices . package dimensions are provided in figures 6 through 1 3 .
data sheet ? silic on schottky barrier diodes skyworks solutions, i nc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 6 january 25 , 2011 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 200847c figure 6. - 203 package dimensions figure 7. - 207 package dimen sions figure 8. - 220 package dimensions
data sheet ? silic on schottky barrier diodes s kyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 200847c ? skyworks proprietary and confidential information ? products and product informatio n are subject to change without noti ce ? january 25 , 2011 7 figure 9. - 230 package dimensions figure 1 0. - 250 package dimensions figure 1 1 . 491- 006 package dimensions
data sheet ? silic on schottky barrier diodes skyworks solutions, i nc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 8 january 25 , 2011 ? skyworks proprietary information ? products and product informatio n are subject to change without notice ? 200847c figure 1 2 . 571- 006 package dimensions figure 1 3 . 571- 011 package dimensions
data sheet ? silic on schottky barrier diodes s kyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 200847c ? skyworks proprietary and confidential information ? products and product informatio n are subject to change without noti ce ? january 25 , 2011 9 copyright ? 2002- 2009 , 2011 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 information contained herein. skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. skyworks ma kes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilit ies, 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 inform ation provided hereunder, including the sale, distribution, reproduction or use of skyworks products, information or material s, 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 warranties are hereb y 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, indir ect, 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 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, physical or environmental damage. skywor ks customers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indem nify skyworks for any damages resulting from such improper use or sale. customers are responsible for th eir 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 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 specificatio ns or parameters. skyworks, the skyworks symbol, and breakthrough simplicity are trademarks or registered trademarks of skyworks solutions, i nc., in the united states and other countries. third - party brands and names are for identification purposes only, and are the property of their respective owners. additional information, including relevant terms and conditions, posted at w ww.skyworksinc.com, are incorporated by reference.
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