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12 - 1 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 variable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 functional diagram typical applications features general description 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz electrical specifcations, t a = +25 c, rbias = 820 ohms for vdd = +5v, rbias = 4.7 kohms for vdd = +3v, vdd = vdd1 = vdd2 p arameter m in. t yp. m ax. m in. t yp. m ax. units vdd = +3v vdd = +5v f requency r ange 0.7 - 1.2 0.7 - 1.2 g hz g ain ( m aximum g ain s tate) 24 27.5 25 29 d b g ain control r ange 31.5 31.5 d b i nput r eturn l oss 11 14 d b output r eturn l oss 12.5 15.5 d b a ttenuation a ccuracy: ( r eferenced to m aximum g ain s tate) (0.3 + 4.5%) of a ttenuation s etting (0.3 + 4.5%) of a ttenuation s etting d b output p ower for 1 d b compression 12 15 18 21 d b m output t hird order i ntercept p oint 33 [1] 38.5 [2] d b m n oise f igure 0.8 0.8 d b s witching characteristics t rise , t fall (50% c tl to 90% rf ) - 205 / 180 ns current a mp 1 25 35 45 68 88 115 m a current a mp 2 130 155 190 130 155 190 m a [1] t wo-tone output power @ -10 d b m [2] t wo-tone output power @ -5 d b m t he h m c707 lp 5( e ) is ideal for: ? cellular i nfrastructure ? wi b ro, wi ma x and lte /4 g ? m icrowave r adio & v sat ? t est e quipment and s ensors ? if & rf a pplications -2.5 to +29 d b g ain control in 0.5 d b s teps p ower-up s tate s election high output ip 3: +38 d b m l ow n oise f igure: 0.8 d b ttl /c m o s compatible s erial, p arallel, or l atched p arallel control 0.25 d b t ypical s tep e rror s ingle +3v and +5v s upply 32 l ead 5x5mm smt p ackage: 25mm 2 t he h m c707 lp 5( e ) is a digitally controlled variable gain amplifer which operates from 700 m hz to 1200 m hz, and can be programmed to provide between -2.5 d b attenuation and 29 d b of gain, in 0.5 d b steps. t he h m c707 lp 5( e ) delivers noise fgure of 0.8 d b in its maximum gain state, with output ip 3 of up to +38 d b m. t he dual mode gain control interface ac- cepts either three wire serial input or 6-bit parallel word. t he h m c707 lp 5( e ) also features a user selectable power up state and a serial output for cascading other hittite serially controlled components. f or 1900 m hz applications please refer to the h m c708 lp 5( e ) data sheet.
12 - 2 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 v ariable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz output ip3 vs. tone power [1] normalized attenuation (only major states are shown) maximum gain vs. frequency [1] input return loss (only major states are shown) output ip3 vs. attenuation @ 900 mhz output return loss (only major states are shown) 16 20 24 28 32 36 0.5 0.7 0.9 1.1 1.3 1.5 +25c +85c -40c frequency (ghz) gain (db) vdd=5v vdd=3v -20 -15 -10 -5 0 0.5 0.7 0.9 1.1 1.3 1.5 vdd=3v vdd=5v frequency (ghz) return loss (db) 0 10 20 30 40 0 4 8 12 16 20 24 28 32 vdd=3v vdd=5v attenuation state (db) ip3 (dbm) pout=-10dbm pout=-5dbm 28 32 36 40 44 0.7 0.8 0.9 1 1.1 1.2 pout=-15 dbm pout=-10 dbm pout= -5 dbm pout= 0 dbm frequency (ghz) ip3 (dbm) vdd=5v vdd=3v -30 -25 -20 -15 -10 -5 0 0.5 0.7 0.9 1.1 1.3 1.5 vdd=3v vdd=5v frequency (ghz) return loss (db) -35 -30 -25 -20 -15 -10 -5 0 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 vdd=3v vdd=5v frequency (ghz) normalized attenuation (db) [1] m aximum gain state with digital attenuation set to minimum attenuation
12 - 3 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 variable gain amplifiers - digital - smt 12 relative phase vs. frequency (only major states are shown) bit error vs. frequency (only major states are shown) bit error vs. attenuation state noise figure vs. frequency noise figure vs. attenuation @ 900 mhz step error vs. frequency (only major states are shown) 0 4 8 12 16 20 0 4 8 12 16 20 24 28 32 vdd=3v vdd=5v attenuation (dbm) noise figure (db) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 0.7 0.8 0.9 1 1.1 1.2 vdd=3v vdd=5v frequency (ghz) noise figure (db) -0.2 0 0.2 0.4 0.6 0.8 1 1.2 0 4 8 12 16 20 24 28 32 vdd=3v vdd=5v attenuation state (db) bit error (db) 700mhz, 800mhz 0.9ghz, 1ghz, 1.1ghz, 1.2ghz -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 vdd=3v vdd=5v frequency (ghz) step error (db) -20 -15 -10 -5 0 5 10 0.5 0.7 0.9 1.1 1.3 1.5 vdd=3v vdd=5v frequency (ghz) relative phase (deg) -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 vdd=3v vdd=5v frequency (ghz) bit error (db) hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz
12 - 4 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 v ariable gain amplifiers - digital - smt 12 output ip3 & supply current vs. rbias @ 900 mhz output ip3 & supply current vs. supply voltage @ 900 mhz 5 15 25 35 45 100 200 300 400 500 1 10 100 1000 10000 vdd=3v vdd=5v ip3 (dbm) dc current (ma) rbias (ohms) 28 32 36 40 44 100 150 200 250 300 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 ip3 @0.9ghz idd ip3 (dbm) idd (ma) voltage supply (v) hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz gain & return loss [1] [2] noise figure vs. frequency [1] [2] output ip3 vs. attenuation @ 900 mhz [1] -30 -20 -10 0 10 20 30 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 vdd=3v vdd=5v frequency (ghz) response (db) s11 s21 s22 -10 0 10 20 30 40 0 4 8 12 16 20 24 28 32 vdd=3v vdd=5v attenuation state (db) ip3 (dbm) pout=-20dbm pout=-15dbm 0 0.3 0.6 0.9 1.2 1.5 0.5 0.7 0.9 1.1 1.3 1.5 vdd=3v vdd=5v frequency (ghz) noise figure (db) [1] s ee a pplication circuit [2] m aximum gain state with digital attenuator set to minimum attenuation option 1 [1] : amp1 + 6-bit dat only
12 - 5 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 variable gain amplifiers - digital - smt 12 20 24 28 32 36 40 44 0 4 8 12 16 20 24 28 32 vdd=3v vdd=5v attenuation state (db) ip3 (dbm) pout=-5dbm pout=0dbm setup limit hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz gain & return loss [1] [2] output ip3 vs. attenuation @ 900 mhz [1] -30 -20 -10 0 10 20 30 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 3v 5v frequency (ghz) response (db) s11 s21 s22 serial control interface t he h m c707 lp 5( e ) contains a 3-wire spi compatible digital interface ( serin , c l k, le ). i t is activated when p / s is kept high. t he 6-bit serial word must be loaded msb frst. t he positive-edge sensitive c l k and le requires clean transitions. s tandard logic families work well. i f mechanical switches were used, sufficient debouncing should be provided. when le is high, 6-bit data in the serial input register is transferred to the attenuator. when le is high c l k is masked to prevent data transition during output loading. when p / s is low, 3-wire spi interface inputs ( serin , c l k, le ) are disabled and serial input register is loaded asynchronously with parallel digital inputs ( d 0- d 5). when le is high, 6-bit parallel data is transferred to the attenuator. f or all modes of operations, attenuation state will stay constant while le is kept low. option 2 [1] : 6-bit dat + amp2 only [1] s ee a pplication circuit [2] m aximum gain state with digital attenuator set to minimum attenuation
12 - 6 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 v ariable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz parallel mode (direct parallel mode & latched parallel mode) note: t he parallel mode is enabled when p / s is set to low. direct parallel mode - t he attenuation state is changed by the control voltage i nputs directly. t he le ( l atch e nable) must be at a logic high to control the attenuator in this manner. latched parallel mode - t he attenuation state is selected using the control voltage i nputs and set while the le is in the l ow state. t he attenuator will not change state while le is l ow. once all control voltage i nputs are at the desired states the le is pulsed. s ee timing diagram above for reference. timing diagram (latched parallel mode) p arameter t yp. m in. serial period, t s ck 100 ns control set-up time, t c s 20 ns control hold-time, t ch 20 ns le setup-time, t ln 10 ns m in. le pulse width, t le w 10 ns m in le pulse spacing, t les 630 ns s erial clock hold-time from le , t ck n 10 ns hold t ime, t p h 0 ns l atch e nable m inimum width, t len 10 ns s etup t ime, t ps 2 ns pup truth table le pu p 1 pu p 2 g ain r elative to m aximum g ain 0 0 0 -31.5 0 1 0 -24 0 0 1 -16 0 1 1 i nsertion l oss 1 x x 0 to -31.5 d b n ote: p ower-up with le = 1 provides normal parallel operation with d 0 - d 5, and pu p 1 and pu p 2 are not active. control voltage i nput r eference i nsertion l oss d 5 d 4 d 3 d 2 d 1 d 0 high high high high high high 0 d b high high high high high l ow -0.5 d b high high high high l ow high -1 d b high high high l ow high high -2 d b high high l ow high high high -4 d b high l ow high high high high -8 d b l ow high high high high high -16 d b l ow l ow l ow l ow l ow l ow -31.5 d b a ny combination of the above states will provide an attenuation equal to the sum of the bits selected. truth table i f le is set to logic l ow at power-up, the logic state of p u p 1 and p u p 2 determines the power-up state of the part per p u p truth table. i f the le is set to logic h ig h at power-up, the logic state of d 0- d 5 determines the power-up state of the part per truth table. t he d v ga latches in the desired power-up state approximately 200 ms after power-up. power-on sequence t he ideal power-up sequence is: gnd , vdd, digital inputs, rf inputs. t he relative order of the digital inputs are not important as long as they are powered after vdd / gnd power-up states control voltage table s tate vdd = +3v vdd = +5v l ow 0 to 0.5v @ <1 a 0 to 0.8v @ <1 a high 2 to 3v @ <1 a 2 to 5v @ <1 a
12 - 7 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 variable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz absolute maximum ratings ele c tr o stati c sensiti v e de v ic e o bser v e h andling pre c a u ti o ns absolute bias resistor range & recommended bias resistor values for idd vdd r bias t otal i dd (m a ) m in. m ax. r ecommended 3v 1k [1] open circuit 1.5k 171 2.2k 179 4.7k 193 10k 196 5v 0 open circuit 0 194 261 214 820 236 2.2k 249 [1] operation with vdd= 3v and r bias < 1k ohm may result in the part becoming conditionally stable which is not recommended. d rain b ias voltage (vdd) 5.5 v rf input p ower ( rfin) (vdd = +5 vdc) -5 dbm + a ttenuation s tate (do not exceed +10 d bm) d igital inputs (r eset, s hift clock, latch e nable, s erial input) -0.5 to vdd +0.5v channel t emperature 150 c continuous pdiss (t= 85 c) (derate 26 mw/c above 85 c) 1.7 w t hermal r esistance (channel to ground paddle) 38.5 c/w s torage t emperature -65 to +150 c operating t emperature -40 to +85 c typical supply current vs. vdd (rbias = 820 for vdd= 5v, rbias= 4.7k for vdd= 3v) vdd (v) t otal idd (ma) 2.7 179 3.0 193 3.3 206 4.5 218 5.0 236 5.5 250 note: amplifer will operate over full voltage ranges shown above.
12 - 8 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 v ariable gain amplifiers - digital - smt 12 outline drawing n o tes : 1. leadframe material : co pper all oy 2. dimensi o ns are in in ch es [ millimeters ] 3. lead spa c ing to leran c e is n o n -cu m u lati v e . 4. pad b u rr lengt h s h all be 0.15mm ma x im u m . pad b u rr h eig h t s h all be 0.05mm ma x im u m . 5. pa ck age w arp s h all n ot e xc eed 0.05mm. 6. all gr ou nd leads and gr ou nd paddle m u st be s o ldered to p c b rf gr ou nd . 7. refer to h ittite appli c ati o n n o te f o r s u ggested land pattern . p art n umber p ackage b ody m aterial l ead f inish msl r ating p ackage m arking [3] h m c707 lp 5 l ow s tress i njection m olded p lastic s n/ p b s older msl 1 [1] h707 xxxx h m c707 lp 5 e r oh s -compliant l ow s tress i njection m olded p lastic 100% matte s n msl 1 [2] h707 xxxx [1] m ax peak refow temperature of 235 c [2] m ax peak refow temperature of 260 c [3] 4- d igit lot number xxxx package information hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz
12 - 9 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 variable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz pin descriptions p in n umber f unction d escription i nterface s chematic 1 rfin rf input to the frst amplifer ( amp 1) t his pin is matched to 50 ohms. 2, 3, 21, 30, 32 n /c n o connection necessary. t hese pins may be connected to rf / d c ground without affecting performance. 4 res t his pin is used to set the d c current of the frst amplifer by selection of external bias resistor. s ee application circuit. 5 ser ou t s erial input data delayed by 6 clock cycles. 7, 6 pu p 1, pu p 2 s ee truth table, control voltage table and timing diagram. 9 - 14 d 0 - d 5 8 vdd1 s upply voltage 15 p / s s ee truth table, control voltage table and timing diagram. 16 c l k 17 serin 18 le 19, 23, 25, 26, 28 gnd t hese pins and package bottom must be connected to rf / d c ground.
12 - 10 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 v ariable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz p in n umber f unction d escription i nterface s chematic 20 rf ou t rf output and d c bias for the second amplifer ( amp 2). s ee a pplication circuit for off-chip components. 22 rfin 3 rf input for the second amplifer ( amp 2). t his pin is d c coupled. a n off-chip d c blocking capacitor is required. 27 rfin 2 i nput and output of the 6-bit digital attenuator (6- b it dat ). t hese pins are d c coupled and matched to 50 ohms. b locking capacitors are required. s elect value based on lowest frequency of operation. 24 rf ou t 2 29 rf ou t 1 rf output for the frst amplifer ( amp 1). t his pin is matched to 50 ohms. 31 vdd2 p ower s upply voltage for the frst amplifer. choke inductor and bypass capacitors are required. s ee application circuit. pin descriptions (continued)
12 - 11 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 variable gain amplifiers - digital - smt 12 hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz evaluation pcb t he circuit board used in the application should use rf circuit design techniques. s ignal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected 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 hit - tite upon request. list of materials for evaluation pcb 120619 [1] i tem d escription j1 - j4 p c b m ount sma connector j5 2mm vertical m olex 28pos connector c1, c8, c10, c12 220 p f capacitor, 0402 p kg. c3 10 n f capacitor, 0402 p kg. c6, c13, c15 1000 p f capacitor, 0603 p kg. c7, c14 10 n f capacitor, 0603 p kg. c16 27 p f capacitor, 0603 p kg. c17 4.7 u f capacitor, 0805 p kg. l 1 15 nh i nductor, 0402 p kg. l 3 18 nh i nductor, 0603 p kg. l 4 47 nh i nductor, 0603 p kg. r 1 ( r bias) 820 ohm r esistor, 0402 p kg. r 2 - r 10 39k ohm r esistor, 0402 p kg. r 11, r 12, r 13 0 ohm r esistor, 0402 p kg. i tem d escription u1 h m c707 lp 5( e ) variable g ain a mplifer p c b [2] 120491 e valuation p c b [1] r eference this number when ordering complete evaluation p c b [2] circuit b oard m aterial: a rlon 25 fr or r oger 4350
12 - 12 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 v ariable gain amplifiers - digital - smt 12 application circuit hmc707lp5 / 707lp5e v04.0409 0.5 db lsb 6-bit digital variable gain amplifier, 700 - 1200 mhz n ote 1: f or option 1 ( a mp1 + 6-bit dat only) remove l 4. m ove 220p f capacitor (0402 p kg.) from location c10 to c11. n ote 2: f or option 2 (6- b it dat + a mp2 only) remove l 3. m ove 220p f capacitor (0402 p kg.) from location c8 to c9.

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