1 low-voltage / wide band si hyperabrupt varactors rev. v7 ma4st300 series ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. features ? surface mount packages (sc70 3ld, sc79, sod-323) ? high capacitance ratio at low voltages ? high q at low voltages ? spc process for superior c-v repeatability ? available as single and common cathode pairs ? tape and reel packaging ? designed for commercial wireless applications ? also offering rohs compliant equivalent parts description the ma4st300 series are ion-implanted, hy- perabrupt junction, silicon tuning varactors in sc79, sc70 3ld, and sod-323 surface mount packages. this series of varactors is designed for high capaci- tance ratio and low voltage operation. each varactor type has a better than 3:1 capacitance ratio between 0.5v and 3.0v. applications the ma4st300 series tuning varactors are useful for wide band tuning and low phase noise applica- tions where the supply voltage is limited to 5 volts or less. these varactors have been specifically de- signed to cover wireless application bands up to the 2.4 ghz wlan band. app lications include vcos and voltage tuned filters. absolute maximum ratings 1,2 @ t a =+25 c (unless otherwise noted) 1. operation of this device abov e any one of these parameters may cause permanent damage. 2. please refer to applicati on note m538 for surface mounting instructions parameter absolute maximum reverse voltage 12 v forward current 50 ma operating temperature -55 c to +125 c storage temperature -55 c to +125 c total power dissipation 250 mw part number rohs compliant part number ma4st320 mavr-000320 ma4st330 mavr-000330 ma4st340 mavr-000340 ma4st350 mavr-000350 0.25 0.5 0.75 1.0 2.0 3. 0 350 frequency (ghz) j ct nmt amps tacs nmt is-136/95 gsm pdc ct2 active pagers dect php dcs1800 wlan gps pcs smr 340 330 320 typical device selection by frequency rohs compliant parts specifications are subject to change without prior notification
2 low-voltage / wide band si hyperabrupt varactors rev. v7 ma4st300 series ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. electrical specifications @ t a = +25 c breakdown voltage @ i r = 10 a, v b = 12 v minimum reverse leakage current @ v r =10v, i r = 100 na maximum 1. the prefix defines package style, configuration and packaging information. contact representative for complete part identifi cation. 2. capacitance @ 1 mhz part no. cj0 (pf) vj (v) m ma4st320 77.4 11.71 6.51 ma4st330 33.9 8.91 5.15 ma4st340 25.3 14.25 7.41 ma4st350 15.7 14.55 7.26 part number base 1 rohs compliant part number base 1 capacitance ratio q factor (pf) (pf) f = 1 mhz, v r = 0.5 v f = 1 mhz v r = 3.0 v c t0.5 /c t3.0 f = 50 mhz v r = 2.0 v min. nom. max. max. typ. min. ma4st320 mavr-000320-xxxxxx 48.0 58.0 63.0 19.0 3.2 300 ma4st330 mavr-000330-xxxxxx 22.0 26.0 30.0 9.0 3.2 350 ma4st340 mavr-000340-xxxxxx 15.0 18.5 21.0 6.5 3.2 350 c t 2 ma4st350 mavr-000350-xxxxxx 9.5 11.8 13.5 4.5 3.2 400 ls cp cj rs package parasitics parasitics: cp= 0.15 pf ls= 1.4 nh intrinsic diode model: n = 1.1 cj0=(see table below) vj = (see table below) fc = 0.5 bv = 12.0 v m = (see table below) spice model specifications are subject to change without prior notification
3 low-voltage / wide band si hyperabrupt varactors rev. v7 ma4st300 series ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. 1 10 100 0.1 1 10 reverse voltage (v) total capacitance (pf) ma4st320 ma4st330 ma4st350 ma4st340 100 1000 0.1 1 10 reverse voltage (v) nominal q ma4st32 0 ma4st34 0 ma4st35 0 ma4st33 0 100 300 500 700 900 0123456 reverse voltage (v) tcc(ppm/c) typical performance curves nominal q at 50 mhz vs. reverse voltage total capacitance vs. reverse voltage at 1 mhz nominal change in capacitance with temperature specifications are subject to change without prior notification
4 low-voltage / wide band si hyperabrupt varactors rev. v7 ma4st300 series ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. case styles sc-70, 3 lead (case style 1146) inches millimeters dim. min. max. min. max. a 0.071 0.087 1.80 2.21 b 0.045 0.053 1.14 1.35 c 0.071 0.094 1.80 2.39 d 0.047 0.057 1.19 1.45 e 0.010 0.016 0.25 0.41 f 0.031 0.039 0.79 1.00 g 0.000 0.004 0.00 0.10 h 0.004 0.10 j 0.004 0.10 0.007 0.010 0.18 0.25 sod-323 (case style 1141) inches millimeters dim. min. max. min. max. a ? 0.043 ? 1.1 b ? 0.004 ? 0.1 c ? 0.008 ? 0.2 d 0.010 0.016 0.25 0.41 e 0.003 0.006 0.07 0.15 f 0.063 0.075 1.6 1.9 g 0.045 0.057 1.14 1.45 h 0.091 0.106 2.3 2.7 f d h g c e a b a e d j h g f 10 max. c b specifications subject to c hange without prior notification sc-79 (case style 1279) inches millimeters dim. min. max. min. max. a .0197 .0276 0.50 0.70 b 0.003 0.008 0.07 0.20 c 0.006 0.010 0.15 0.25 d 0.010 0.014 0.25 0.35 e 0.059 0.067 1.50 1.70 f 0.043 0.051 1.09 1.30 g .0098 nominal 0.250 nominal h .0433 nominal i .027 .035 0.68 0.89 1.10 nominal
5 low-voltage / wide band si hyperabrupt varactors rev. v7 ma4st300 series ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. mounting information the illustration indicates the recommended mounting pad configuration for the sc-79, sc70 3ld and sod-323 packages. solder paste containing flux should be screened onto the pads to a thickness of 0.005- 0.007 inches. the plastic package is placed in position, firmly adhering to the solder paste. permanent attachment is performed by a reflow soldering procedure during which the tab temperature does not exceed +275 c and the body temperature does not exceed +250 c, for standard models and +260 c for the rohs compliant devices. please refer to application note m538 for surface mounting instructions. sc-70, 3 lead (case style 1146) 0.030 0.80 0.030 0.80 0.030 0.80 0.075 1.9 0.030 0.80 inches mm dimenstions: sod-323 (case style 1141) 0.030 0.80 .090 2.2 0.030 0.80 inches mm dimenstions: 0.030 0.80 sc-79 (case style 1279) 0.020 0.50 0.053 1.35 inches mm dimenstions: 0.020 0.50 specifications are subject to change without prior notification
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