for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 1 general description features functional diagram typical applications 6 ghz low noise programmable divider (n = 1 to 4) HMC905LP3E v00.0310 t he hm c 905lp3 e is a s ige bi c m os low noise programmable frequency divider in a 3x3 mm lead- less surface mount package. t he circuit can be pro- grammed to divide from n = 1 to n = 4 in the 400 mhz to 6 ghz input frequency range. t he high level out- put power (up to 6 dbm single ended) with a very low ss b phase noise and 50% duty cycle makes this device ideal for low noise clock generation, l o generation and l o drive applications. c onfgurable bias and output power controls allow current consumption and output power control. t he device incorporates a power down feature, good input to output isolation and fast start up time. t he hm c 905lp3 e can be included into fast switching ping-pong applications. low n oise floor: -164 dbc/hz at 10 mhz o ffset for n = 4 programmable frequency divider, n = 1, 2, 3 or 4 400 mhz to 6 ghz i nput frequency r ange u p to +6 dbm o utput power s leep mode: c onsumes <1 a 16 lead 3x3 mm s m t package: 9mm 2 electrical specifcations, t a = +25 c, vcc = +3.3v, z o = 50 t he hm c 905lp3 e is ideal for: ? l o generation with low n oise floor ? s oftware defned r adios ? c lock generators ? fast s witching s ynthesizers ? military applications ? t est e quipment ? s ensors parameter c onditions min. t yp. max. u nits rf input characteristics r f i nput frequency s ingle-ended input 400 6000 mhz r f i nput power s ingle-ended input 0 6 10 dbm divider output characteristics o utput power ( s ingle-ended o ut) - t ypically, 50 ohms load resistors connected to v cc - 1 bit programmable ( ctr l digital signal) [1] -2 3 6 dbm ss b phase n oise @ 10 khz o ffset +6 dbm i nput power, 6 ghz input, s ingle- e nded i nput and o utput, divide-by-4 [2] -150 dbc/hz ss b phase n oise @ 100 khz o ffset -158 dbc/hz ss b phase n oise @ 10 mhz o ffset -164 dbc/hz s tart u p t ime en bit from o ff to on s tate (0 v to v cc) 200 ns power down t ime en bit from on to o ff s tate ( v cc to 0 v ) 20 ns s etting t ime at division r atio c hange delay from divide ratio change to output frequency change 25 ns [1] s ee typical supply currents vs. b i a s 0, b i a s 1, ctr l bits table [2] s ee r esidual phase n oise plot
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 2 electrical specifcations, t a = +25 c, vcc = +3.3v, z o = 50 (continued) HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) input sensitivity window phase noise for 3 cascaded HMC905LP3E from 6 ghz vco residual phase noise divide by 1, 2, 3 & 4 [2] parameter c onditions min. t yp. max. u nits i solation se i nput to se o utput en bit o ff -80 -30 dbc duty c ycle for differential mode 50 % logic inputs vi h i nput high v oltage 1.5 3.3 v vi l i nput low v oltage 0 0.8 v power supplies v cc analog s upply (low n oise ld o for good phase noise - hm c 860lp3 e ) 3.15 3.3 3.45 v c urrent c onsumption t otal current vs. b i a s and ctr l bits [1] 82 100 125 ma s leep c urrent en = 0 v 1 a [1] t he bias bits combination b i a s 1 b i a s 0 = 1 1 is not recommended [2] fin = 6 ghz, pin = 6 dbm, ctr l = 1, b i a s 1 b i a s 0 = 01 -20 -15 -10 -5 0 5 10 0 1 2 3 4 5 6 7 bias1bias0=01 bias1bias0=00 bias1bias0=01 operating window input frequency (ghz) input power (dbm) recommended operating window -170 -150 -130 -110 -90 -70 -50 -30 -10 10 100 1000 10 4 10 5 10 6 10 7 vco in div by 4 div by 16 div by 64 offset frequency (hz) ssb phase noise (dbc/hz) -170 -160 -150 -140 -130 -120 -110 10 100 1000 10 4 10 5 10 6 10 7 10 8 div by 1 div by 2 div by 3 div by 4 offset frequency (hz) ssb phase noise (dbc/hz) output phase noise vs. input power divide-by-4 -170 -160 -150 -140 -130 -120 -110 -100 -90 1000 10 4 10 5 10 6 10 7 source in div by 4 0dbm div by 4 3dbm div by 4 6dbm div by 4 9dbm offset frequency (hz) ssb phase noise (dbc/hz) all data plots taken on evaluation board (schematic on page 10) single-ended with the unused output port 50 ohms terminated, vcc = +3.3v, ta=+25 c, except stated otherwise
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 3 HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) pout vs. division ratio output power vs. input power level divide-by-4 output power vs. voltage supply divide-by-4 output power vs. temperature divide-by-4 [1] ctr l = 0, b i a s 1, b i a s 1 b i a s 0 = 00, pin = 6 dbm -10 -5 0 5 10 0 1 2 3 4 5 6 7 8 div by 4 div by 3 div by 2 div by 1 input frequency (ghz) output power (dbm) ctrl=1, bias1bias0=01 -10 -5 0 5 10 0 1 2 3 4 5 6 7 8 6dbm 3dbm 9dbm input frequency (ghz) output power (dbm) ctrl=1, bias1bias0=01 -10 -5 0 5 10 0 1 2 3 4 5 6 7 8 3.3v 3.15v 3.45v input frequency (ghz) output power (dbm) ctrl=1, bias1bias0=01 -10 -5 0 5 10 0 1 2 3 4 5 6 7 8 +25c 101 +85c 101 -40c 101 +25c 000 +85c 000 -40c 000 input frequency (ghz) output power (dbm) ctrl=1, bias1bias0=01->101 ctrl=0, bias1bias0=00->000 pout divide-by-4 vs. ctrl & bias -10 -5 0 5 10 0 1 2 3 4 5 6 7 8 ctrl=0, bias=00 ctrl=1,bias=00 ctrl=0,bias=01 ctrl=1,bias=01 input frequency (ghz) output power (dbm)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 4 h2, h3, h4, h5 harmonics, divide-by-1 [1] h2, h3, h4, h5 harmonics, divide-by-2 [1] HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) [1] ctr l = 0, b i a s 1, b i a s 1 b i a s 0 = 00, pin = 6 dbm input to output isolation h2, h3, h4, h5 harmonics, divide-by-3 [1] h2, h3, h4, h5 harmonics, divide-by-4 [1] -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 h2 h3 h4 h5 input frequency (ghz) harmonics divide-by-1 (dbc) ctrl=0,bias1bias0=00 -70 -60 -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 h2 h3 h4 h5 input frequency (ghz) harmonics divide-by-2 (dbc) -70 -60 -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 h2 h3 h4 h5 input frequency (ghz) harmonics divide-by-3 (dbc) -80 -70 -60 -50 -40 -30 -20 0 1 2 3 4 5 6 7 input frequency (ghz) input output isolation (dbc) -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 h2 h3 h4 h5 input frequency (ghz) harmonics divide-by-4 (dbc)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 5 HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) absolute maximum ratings rf i nput power 12 dbm s upply v oltage ( vcc) 3.6v c ontrol inputs (b0, b1, ctrl, bias0, en) 3.6v junction t emperature 125 c c ontinuous pdiss ( t = 85 c) (derate 33 mw/ c above 85 c) 1.3 w t hermal r esistance (junction to ground paddle) 30 c/w s torage t emperature -65 to +125 c o perating t emperature -40 to +85 c esd s ensitivity (hbm) class 1a typical supply current vs. en, bias0, bias1 & ctrl bits digital control input voltages en ctr l b i a s 1 b i a s 0 3.3 v s upply t yp. c urrent (ma) pout t yp. (dbm) n oise floor 1 0 0 0 84 1.5 low 1 0 0 1 105 4.8 1 0 1 0 98 3.9 1 1 0 0 100 2.4 better 1 1 0 1 120 6.3 best 1 1 1 0 113 5.3 0 x x x 0.001 -55 n ote: c urrents for the divide-by-4 option, 2 ghz and 6 dbm input and 3.3 v ; for v cc voltage supply from 3.15 v to 3.45 v , the hm c 905lp3 e total current is varying with a maximum of ~8% around typical values. with temperature, the total current is changing from +25 c to -40 c /+85 c with about 3%. s tate b0, b1, ctr l, b i a s 1, b i a s 0, en low 0 to 0.8 v high 1.5 v to 3.3 v e l ectrost a tic sensitive d evice o b serve ha n dl in g p rec a utions programming truth table for frequency division ratios b1 b0 divide-by 0 0 1 0 1 2 1 0 3 1 1 4 0 = logic low 1 = logic high
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 6 HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) outline drawing part n umber package body material lead finish m s l r ating package marking [1] hm c 905lp3 e r oh s -compliant low s tress i njection molded plastic 100% matte s n m s l1 [2] 905 xxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information notes : 1. l e adf r am e ma teri al: co pp er all oy 2. d i m ensions a re in inc h es [m i ll i m eters ]. 3. l e ad s pa cin g to l er a nce is non - cu m u la tive 4. pad b urr l en g t h s hall b e 0.15mm max i m u m. pad b urr h ei gh t s hall b e 0.05mm max i m u m. 5. pa c kag e wa r p s hall not e x cee d 0.05mm. 6. all g roun d l e ad s a n d g roun d paddl e m ust b e so ld ere d to p c b r f g roun d. 7. re f er to h ittite appl ic a tion note f or su gg este d p c b la n d pa ttern .
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 7 HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) pin description pin number function description i nterface schematic 1 v cc +3.3 v v oltage s upply 2 r f in p r f positive i nput. i nput is d c coupled, external d c blocks required. 3 r f inn r f n egative i nput. i nput is d c coupled, external d c blocks required. 4 g n d t his pin must be connected to r f/d c ground. 5 b0 division ratio (l s b) s ee programming truth table. 6 b1 division ratio (m s b) s ee programming truth table. 7 ctr l divider o utput buffer power c ontrol 13 b i a s 1 divider c ore bias c ontrol 14 b i a s 0 divider c ore bias c ontrol 15 en c hip e nable 8, 9, 12, 16 n / c n o connection required. t his pin may be connected to ground, without affecting performance.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 8 pin description (continued) HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) pin number function description i nterface schematic 10 ioutn divider n egative o utput, o pen drain. t ypically 50 o hms connected to v cc. 11 iout p divider positive o utput, o pen drain. t ypically 50 o hms connected to v cc. application note: t he hm c 905lp3 e is a high performance r f divider. s uch dividers are high gain devices with internal feedback. t he device will oscillate if used with a c coupled r f inputs and if no r f input is applied. n ormally, if the r f input signal is removed the device should be disabled, or it should be placed in divide by 1 mode. t he device is stable in divide by one mode with no r f input. t he device will oscillate in divide 2, 3, or 4 modes with no r f input. i n general, very small r f input levels will stop all oscillations. at the minimum rated r f input sensitivity level or higher, no oscillations or spu - rious signals exist and excellent low noise performance is achieved. for input frequency lower than 400 mhz, square wave input signal is recommended. for applications where the input frequency is bigger than ~5.5 ghz, it is recom - mended either to use differential drive, or to increase the divider core current (bias settings b i a s 1b i a s 0=01 or 10). for single ended applications, apply the signal on the positive input r finp and terminate the unused output with 50 ohms.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 9 HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) evaluation pcb list of materials for evaluation pcb 126830 [1] i tem description j3 d c c onnector j1, j4, j7, j8 s ma sri c onnector c 1, c 2, c 10 - c 12, c 18 1nf c apacitor, 0402 pkg c 3, c 6, c 9 100nf c apacitor, 0402 pkg c 5 10uf c apacitor, 1206 pkg c 8 10pf c apacitor, 0402 pkg r 1, r 7 51 o hms, r esistor, 0402 pkg r 2 - r 6, r 9 100 k o hms, r esistor, 0402 pkg t p1, t p3, t p4 p c c ompact s m t u 1 hm c 905lp3 e programmable divider p c b [2] 126828 e val board [1] r eference this number when ordering complete evaluation p c b [2] c ircuit board material: r ogers 4350 or arlon 25f r t he circuit board used in the application should use r f circuit design techniques. s ignal lines should have 50 ohm impedance while the package ground leads and backside ground paddle should be con - nected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. t he evaluation circuit board shown is available from hittite upon request.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com frequency divi d ers & detectors - s m t 4 4 - 10 HMC905LP3E v00.0310 6 ghz low noise programmable divider (n = 1 to 4) evaluation pcb schematic
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