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 2 ghz low noise programmable divider (n = 1 to 4) hmc794lp3e v00.0709 t he hm c 794lp3 e is a s ige bi c m os low noise programmable frequency divider in a 3x3mm lead- less surface mount package. t he circuit can be programmed to divide from n = 1 to n = 4 in the 200 mhz to 2 ghz input frequency range. t he high level output power (up to 10 dbm) 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 controls allow power minimization of up to 20%. low n oise floor: -163 dbc/hz at 10 mhz offset and -160 dbc/hz at 100 khz offset programmable frequency divider, n = 1, 2, 3 or 4 200 mhz to 2 ghz i nput frequency r ange 50% duty c ycle o utputs u p to +10 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 = +5v, z o = 50, bias1 = gnd t he hm c 794lp3 e is ideal for: ? l o generation with low n oise floor ? c lock generators ? mixer l o drive ? military applications ? t est e quipment ? s ensors parameter c onditions min. t yp. max. u nits rf input characteristics max r f i nput frequency 2 ghz min r f i nput frequency 200 mhz r f i nput power n ote: best ss b phase n oise for pin > 5 dbm -2 3 10 dbm divider output characteristics differential o utput power programmable in 2 steps (see the pout plots for each division ratio) -3 10 12 dbm ss b phase n oise @ 10 mhz o ffset +5 dbm i nput power, 2 ghz i nput -163 dbc/hz ss b phase n oise @ 100 khz o ffset -160 dbc/hz ss b phase n oise @ 10 khz o ffset -153 dbc/hz duty c ycle for differential mode +5 dbm i nput power 50 3 % logic inputs vi h i nput high v oltage 3 5 v vi l i nput low v oltage 0 0.4 v
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 = +5v, z o = 50, bias1 = gnd (continued) hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) input sensitivity window pout vs. div ratio [4] , (single-ended) residual phase noise divide by 1, 2, 3 & 4, (differential) [3] pout vs. div ratio [4] , (differential) parameter c onditions min. t yp. max. u nits power supplies v cc analog s upply 4.75 5 5.25 v current consumption i tot - t otal c urrent c onsumption 5 v s upply 100 150 ma i tot - t otal c urrent c onsumption [1] 5 v supply, ctr l = 0 v , b i a s 0 = 0 v ctr l = 0 v , b i a s 0 = 5 v ctr l = 5 v , b i a s 0 = 0 v 100 109 115 130 150 150 ma ma ma s leep c urrent en = 0 v 1 a c bias r eference v oltage [2] measured with 10 g v olt meter 3.8 v [1] bias0 = 0 v , for maximum frequency range; bias0 = 5 v , for better phase noise foor; ctr l = 5 v , for maximum output power [2] c bias voltage pin cannot drive external load. i t must be measured with a 10 g volt meter such as agilent 34410a, typical 10 m o hms d v m will read erroneously. -10 -5 0 5 10 15 0 0.5 1 1.5 2 2.5 3 div by 1 div by 2 div by 3 div by 4 input frequency (ghz) output power (dbm) -10 -5 0 5 10 15 20 0 0.5 1 1.5 2 2.5 input frequency (ghz) input power (dbm) recommended operating window -10 -5 0 5 10 15 0 0.5 1 1.5 2 2.5 3 div by 1 div by 2 div by 3 div by 4 input frequency (ghz) output power (dbm) -180 -170 -160 -150 -140 -130 -120 10 1 10 2 10 3 10 4 10 5 10 6 10 7 div by 1 div by 2 div by 3 div by 4 offset frequency (hz) ssb phase noise (dbc/hz) [3] ctr l = +5 v , bias0 = 0 v , pin = +8 dbm @ 2 ghz [4] ctr l = +5 v , bias0 = 0 v , pin = +4 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 - 3 hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) pout divide-by-1 vs. temperature [1] , (single-ended) pout divide-by-3 vs. temperature [1] , (single-ended) pout divide-by-4 vs. ctrl & bias0 [2] (differential) pout divide-by-2 vs. temperature [1] , (single-ended) pout divide-by-3 vs. ctrl & bias0 [2] (single-ended) pout divide-by-4 vs. temperature [1] , (single-ended) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 +25c +85c -40c input frequency (ghz) output power (dbm) -15 -10 -5 0 5 10 15 0 0.5 1 1.5 2 2.5 3 ctrl = 0v, bias0 = 0v ctrl = 5v, bias0 = 0v ctrl = 0v, bias0 = 5v input frequency (ghz) output power (dbm) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 +25c +85c -40c input frequency (ghz) output power (dbm) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 +25c +85c -40c input frequency (ghz) output power (dbm) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 ctrl = 0v, bias0= 0v ctrl = 5v, bias0 = 0v ctrl = 0v, bias0 = 5v input frequency (ghz) output power (dbm) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 +25c +85c -40c input frequency (ghz) output power (dbm) [1] ctr l = 0 v , bias0 = 0 v , pin = +4 dbm [2] pin = +4 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 hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) pout divide-by-4 vs. temperature [1] , (differential) divide-by-2 harmonics [1] , (differential) divide-by-3 harmonics [1] , (differential) pout divide-by-4 vs. supply voltage [1] , (differential) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 4.75v 5.00v 5.25v input frequency (ghz) output power (dbm) -70 -60 -50 -40 -30 -20 -10 0 10 0 0.5 1 1.5 2 2.5 3 h2 h3 h4 h5 input frequency (ghz) output level (dbc) -50 -40 -30 -20 -10 0 10 0 0.5 1 1.5 2 2.5 3 h2 h3 h4 h5 input frequency (ghz) harmonics divide-by-4 (dbc) -50 -40 -30 -20 -10 0 10 0 0.5 1 1.5 2 2.5 3 h2 h3 h4 h5 input frequency (ghz) output level (dbc) -15 -10 -5 0 5 10 0 0.5 1 1.5 2 2.5 3 +25c +85c -40c input frequency (ghz) output power (dbm) [1] ctr l = 0 v , bias0 = 0 v , pin = +4 dbm divide-by-1 harmonics [1] , (differential) divide-by-4 harmonics [1] , (differential) -50 -40 -30 -20 -10 0 10 0 0.5 1 1.5 2 2.5 3 h2 h3 h4 h5 input frequency (ghz) output level (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 hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) absolute maximum ratings rf i nput power 13 dbm s upply v oltage ( vcc) 5.5v c ontrol inputs (b0, b1, ctrl, bias0, en) 5.5v junction t emperature 125 c c ontinuous pdiss ( t = 85 c) (derate 33 mw/ c above 85 c) 1.3w 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. vcc digital control input voltages v cc ( v ) i cc (ma) 4.75 105* 5.00 115* 5.25 125* n ote: hm c 794lp3 e will work over full voltage range above. * for ctr l = 0 v , bias0 = 0 v s tate b0, b1, ctr l, b i a s 1, b i a s 0, en low 0 to 0.4 v high 3 v to 5 v e l ectrost a tic sensitive d evice o b serve ha n dl in g p rec a utions divide-by-4 harmonics [1] , (differential) divide-by-4 harmonics [2] , (single-ended) 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 -50 -40 -30 -20 -10 0 10 0 0.5 1 1.5 2 2.5 3 h2 h3 h4 h5 input frequency (ghz) output level (dbc) -70 -60 -50 -40 -30 -20 -10 0 0 0.5 1 1.5 2 2.5 3 h2 h3 h4 h5 input frequency (ghz) output level (dbc) [1] ctr l = 5 v , bias0 = 0 v , pin = +4 dbm [2] ctr l = 0 v , bias0 = 0 v , pin = +4 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 - 6 hmc794lp3e v00.0709 2 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 794lp3 e r oh s -compliant low s tress i njection molded plastic 100% matte s n m s l1 [2] 794 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 hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) pin description pin number function description i nterface schematic 1 v cc +5 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 this 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 for proper operation this pin should be grounded. 14 b i a s 0 digital c ore bias c ontrol [1] 15 en c hip e nable 8, 9, 12 n / c n o connection required. t his pin may be connected to ground, without affecting performance. [1] divider c ore bias c ontrol bit bias0 = 0 v , divider c ore minimum bias bias0 = 5 v , divider c ore maximum bias
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) hmc794lp3e v00.0709 2 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 100 o hms connected to v cc. 11 iout p divider positive o utput, o pen drain. t ypically 100 o hms connected to v cc. 16 c b i a s e xternal bypass decoupling for precision/low n oise bias c ircuit application note: t he hm c 794lp3 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 spurious signals exist and excellent low noise performance is achieved. for input frequency lower than 200 mhz, square wave input signal is recommended. t he divider output power for the differential mode, shows a roll off at lower frequencies due to the limited frequency range of the t 6 & t 7 (4:1) r f transformers, 500 mhz to 3000 mhz.
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 hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) evaluation pcb list of materials for evaluation pcb 124842 [1] i tem description j3 d c c onnectors j7, j8 s ma-f johnson c onnector c 1, c 2, c 4, c 6, c 10, c 11 c 12, c 18 1 nf c apacitor, 0402 pkg. c 3, c 9, c 14, c 30, c 31, c 33, c 34, c 36 0.1 f c apacitor, 0402 pkg. c 5 10 f c apacitor, 1206 pkg. c 7 10,000 pf c apacitor, 0402 pkg. c 8 10 pf c apacitor, 0402 pkg. c 15, c 35, c 37, c 68, c 69, c 72, c 74 4.7 f c apacitor, 0805 pkg. c 32 1 f c apacitor, 0603 pkg. r 1, r 7 100 o hm, r esistor, 0402 pkg. r 2 - r 6, r 9 100 k o hm, r esistor, 0402 pkg. r 8, l2 0 o hm, r esistor, 0402 pkg. r 47 27 k o hm, r esistor, 0402 pkg. r 48 15 k o hm, r esistor, 0402 pkg. t he circuit board used in the application should use r f circuit design techniques. s ignal lines should have 50 o hm impedance while the package ground leads and backside ground paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to con - nect the top and bottom ground planes. t he evalua - tion circuit board shown is available from hittite upon request. i tem description t 6, t 7 4:1 r f t ransformer, maba ct 0065 t p1, t p3, t p4 p c c ompact s m t fb1, fb2 murata blm21ag02 sni d u 1 hm c 794lp3 e programmable divider u 9 hittite u ltra low n oise q uad r egulator p c b [2] 124709 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
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 hmc794lp3e v00.0709 2 ghz low noise programmable divider (n = 1 to 4) evaluation pcb schematic
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