1 solderable gaas constant gamma flip-chip varactor diode v3 mavr-000120-1411 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data she ets and product information. m/a-com technology solutions inc. and its affiliate s reserve the right to make changes to the product(s) or information contained herein w ithout notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is base d on target specifications, simulated results, and/or prototype measurements. commitment to develo p is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is bas ed on engineering tests. specifications are typical. mechanical outline has been fixed. enginee ring samples and/or test data may be available. commitment to produce in volume is not guaranteed. features ? usable past 70ghz ? constant gamma for linear tuning ? low parasitic capacitance ? high q ? silicon nitride passivation ? polyimide scratch protection ? surface mount configuration ? lead free (rohs compliant) ? available in pocket tape and reel. ? can withstand 500 temperature cycles (-65 deg.c. to +150 deg.c), mounted with 96.5sn/3.5ag solder without mechanical degradation. ? can be mounted with solder or conductive epoxy. description m/a-com technology solutions mavr- 000120-1411 is a gallium arsenide flip chip hyperabrupt varactor diode. this device is fabricated on omcvd epitaxial wafers us- ing a process designed for high device uni- formity and extremely low parasitics. this diode is fully passivated with silicon nitride and has an additional layer of polyimide for scratch protection. the protective coatings prevent damage to the junction during auto- mated or manual handling. the flip chip configuration is suitable for pick and place insertion. ordering information part number package mavr-000120-14110p pocket tape mavr-000120-14110g gel pack absolute maximum ratings 1,2 operating temperature -40c to +125c storage temperature -65c to +150c power dissipation 100 mw mounting temperature +260c 1. exceeding any one or combination of these limits may cause permanent damage to this device. 2. m/a-com does not recommend sustained operation ne ar these survivability limits. chip layout front view (circuit side) back view (operator side)
2 solderable gaas constant gamma flip-chip varactor diode v3 mavr-000120-1411 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data she ets and product information. m/a-com technology solutions inc. and its affiliate s reserve the right to make changes to the product(s) or information contained herein w ithout notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is base d on target specifications, simulated results, and/or prototype measurements. commitment to develo p is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is bas ed on engineering tests. specifications are typical. mechanical outline has been fixed. enginee ring samples and/or test data may be available. commitment to produce in volume is not guaranteed. capacitance vs voltage gamma = 1.00 +/- 10% from 2 to 12 volts typical per formance curve @ +25 c * specifications are subject to change without prio r notification electrical specifications @ t a = +25 c breakdown voltage @ i r = 10ma, v b = 20 v minimum reverse leakage current @ v r =14v, i r = 100 na maximum schematic part number ct (pf) ct (pf) ct (pf) f=1mhz, v r = 0 v f=1mhz, v r = 4 v f=1mhz, v r = 10 v min. typ. max. min. typ. max. min. typ. max mavr-000120-1141 1.1 0.30 0.40 0.14 0.20 q factor (pf) f=50mhz, v r = 4 v min. typ. max. 3000 gamma (pf) v r = 2-12v min. typ. max. 0.9 1.1
3 solderable gaas constant gamma flip-chip varactor diode v3 mavr-000120-1411 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data she ets and product information. m/a-com technology solutions inc. and its affiliate s reserve the right to make changes to the product(s) or information contained herein w ithout notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is base d on target specifications, simulated results, and/or prototype measurements. commitment to develo p is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is bas ed on engineering tests. specifications are typical. mechanical outline has been fixed. enginee ring samples and/or test data may be available. commitment to produce in volume is not guaranteed. mounting techniques die attach for these devices is made simple through the use of surface mount die attach technology. this chip was designed to be inserted onto hard or soft substrates with the junction side down. this c hip can be mounted with conductive epoxy or with solder. solder die attach : this device can be mounted with sn63/pb37 or rohs c ompliant solder. typical reflow profiles are provided on m/a-com app lication note m538, surface mounting instructions which can be found @ www.macomtech.com epoxy die attach : this device can also be attached with conductive ep oxy. the assembly can be preheated to 125 - 150c. use a minimum amount of epoxy. cure epoxy as per m anufacturers instructions. handling procedures the following precautions should be observed to avo id damaging these chips: cleanliness: the chips should be handled in a clean en vironment. do not attempt to clean die after installation. static sensitivity: semiconductor devices are esd sensitive and can b e damaged by static electr icity. proper esd techniques should be used when h andling these devices. general handling: the protective polymer coating on the active areas of these die provides scratch protec tion, particularly for the metal air bridge which c ontacts the anode. die can be han dled with tweezers or vacuum pickups and are suitab le for use with automa tic pick-and-place equipment.
4 solderable gaas constant gamma flip-chip varactor diode v3 mavr-000120-1411 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data she ets and product information. m/a-com technology solutions inc. and its affiliate s reserve the right to make changes to the product(s) or information contained herein w ithout notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is base d on target specifications, simulated results, and/or prototype measurements. commitment to develo p is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is bas ed on engineering tests. specifications are typical. mechanical outline has been fixed. enginee ring samples and/or test data may be available. commitment to produce in volume is not guaranteed. flip chip outline drawing 1. pad finish is .2 microns of gold over 4 microns of nickel.
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