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 a m plifiers - di g i tal - smt 0 - 1 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz functional diagram features -13.5 to +18 gain control in 0.5 d b s t eps p o wer-up s tate s election high output ip 3 : +33 d b m ttl / c m o s c ompatible s erial, p a rallel, or latched p a rallel control 0.25 d b t y pical gain s t ep e r ror s in gle +5v s upply 32 l e ad 5 x 5 mm smt p a ckage: 25 mm 2 typical applications t h e h m c 625h fl p 5 e is ideal for: ? cellular/3g infrastructure ? wibro / wimax / 4g ? microwave radio & vsat ? test equipment and sensors ? if & rf applications general description t h e h m c 625h fl p 5 e is a digitally controlled variable gain amplifer which operates from 0.5 - 6 ghz, and can be programmed to provide anywhere from 13.5 d b attenuation, to 18 d b of gain, in 0.5 d b steps. t h e h m c 625h fl p 5 e delivers noise fgure of 6 d b in its maximum gain state, with output ip 3 o f up to +33 d b m in any state. t h e dual mode control interface is c m o s / ttl compatible, and accepts either a three wire serial input or a 6 bit parallel word. t h e h m c 625h fl p 5 e also features a user selectable power up state and a serial output port for cascading other hittite serial controlled components. t h e h m c 625h fl p 5 e is housed in a r o h s compliant 5 x 5 mm q fn leadless package, and requires no external matching components. electrical specifcations, t a = +25 c, 50 ohm system vdd = +5v, vs = +5v p a rameter m i n. t yp. m a x. m i n. t yp. m a x. m i n. t yp. m a x. units frequency range 500 - 2700 2700 - 4000 4000 - 6000 m hz gain ( m a ximum gain s t ate) 13 18 11 14 5 10 d b gain control r ange 31.5 31.5 31.5 d b i nput r etur n l o ss 15 12 10 d b output r etur n l o ss 12 12 14 d b gain a c curacy: ( r e ferenced to m a ximum gain s t ate) a ll gain s tates (0.3 + 3% of relative gain setting) m a x (0.3 + 3% of relative gain setting) m a x (0.4 + 5% of relative gain setting) m a x d b output p o wer for 1 d b compression 16 19 14 17 11 14 d b m output t hi rd order i n tercept p o int ( t w o- t o ne output p o wer= 12 d b m e a ch t o ne) 33 29 27 d b m n o ise f i gure ( m a x gain s t ate) 6 7 8 d b s w itching characteristics t r ise , t f a ll (10 / 90% rf ) 30 60 30 60 30 60 ns ns to n , t o f f ( l a tch e n able to 10 / 90% rf ) s u pply current ( a mplifer) 60 86 100 60 86 100 60 86 100 m a s upply current (controller) i dd 0.12 0.25 0.12 0.25 0.12 0.25 m a
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 a m plifiers - di g i tal - smt 0 - 2 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz normalized attenuation (only major states are shown) -40 -30 -20 -10 0 0.4 1.4 2.4 3.4 4.4 5.4 6.4 normailized attenuation (db) frequency (ghz) 31.5db 16db 8db 0 5 10 15 20 25 0.4 1.4 2.4 3.4 4.4 5.4 6.4 +25 c +85 c -40 c gain (db) frequency (ghz) maximum gain vs. frequency input return loss (only major states are shown) -40 -30 -20 -10 0 0.4 1.4 2.4 3.4 4.4 5.4 6.4 return loss (db) frequency (ghz) 0db output return loss (only major states are shown) -40 -30 -20 -10 0 0.4 1.4 2.4 3.4 4.4 5.4 6.4 return loss (db) frequency (ghz) bit error vs. frequency (only major states are shown) bit error vs. attenuation state -2 -1 0 1 2 0.4 1.4 2.4 3.4 4.4 5.4 6.4 bit error (db) frequency (ghz) 31.5db 16db -1.5 -1 -0.5 0 0.5 1 1.5 0 4 8 12 16 20 24 28 32 bit error (db) attenuation state (db) 0.7 ghz 2.0 ghz 4.0 ghz 5.0 ghz 0.5 ghz
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 a m plifiers - di g i tal - smt 0 - 3 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz step attenuation vs. attenuation state, 4.0 - 6.0 ghz -0.5 0 0.5 1 1.5 0 4 8 12 16 20 24 28 32 4.0 ghz 5.0 ghz 6.0 ghz step attenuation (db) attenuation state (db) step attenuation vs. attenuation state, 0.5 - 3.5 ghz -0.5 0 0.5 1 1.5 0 4 8 12 16 20 24 28 32 0.5 ghz 0.7 ghz 2.0 ghz 2.7 ghz 3.5 ghz step attenuation (db) attenuation state (db) normal relative phase vs. frequency (only major states are shown) -20 -10 0 10 20 30 40 50 60 0.4 1.4 2.4 3.4 4.4 5.4 6.4 relative phase (deg) frequency (ghz) 31.5db 16db 8db 10 15 20 25 30 35 40 0.4 1.4 2.4 3.4 4.4 5.4 6.4 +25 c +85 c -40 c ip3 (dbm) frequency (ghz) output ip3 vs. temperature 0 2 4 6 8 10 12 0.4 1.4 2.4 3.4 4.4 5.4 6.4 +25 c +85 c -40 c noise figure (db) frequency (ghz) noise figure 5 10 15 20 25 0.4 1.4 2.4 3.4 4.4 5.4 6.4 +25 c +85 c -40 c p1db (dbm) frequency (ghz) output p1db vs. temperature
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 a m plifiers - di g i tal - smt 0 - 4 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz serial control interface parallel mode (direct parallel mode & latched parallel mode) t h e h m c 625h fl p 5 e contains a 3-wire s pi compatible digital interface ( s erin , c l k , l e ) . i t is activated when p / s is kept high. the 6-bit serial word must be loaded msb frst. the positive-edge sensitive clk and le requires clean transitions. if 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 clk is masked to prevent data transition during output loading. when p/s is low, 3-wire spi interface inputs (serin, clk, le) are disabled and serial input register is loaded asynchronously with parallel digital inputs (d0 - d5). when le is high, 6-bit parallel data is transferred to the attenuator. f o r all modes of operations, the dvg a state will stay constant while le is kept low. note: t h e parallel mode is enabled when p / s is set to low. direct parallel mode - t h e attenuation state is changed by the control voltage i n puts directly. t h e le ( l a tch e n able) must be at a logic high to control the attenuator in this manner. latched parallel mode - t h e attenuation state is selected using the control voltage i n puts and set while the le is in the l o w state. t h e attenuator will not change state while le is l o w. once all control voltage i n puts are at the desired states the le is pulsed. s e e timing diagram above for reference. timing diagram (latched parallel mode) p a rameter t yp. m i n. 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 i n. le pulse width, t lew 10 ns m in le pul se spacing, t les 630 ns s e rial clock hold-time from le , t ck n 10 ns hold t i me t p h 0 ns l a tch e n able m i nimum width, t len 10 ns s e tup t i me, t ps 2 ns
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 a m plifiers - di g i tal - smt 0 - 5 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz absolute maximum ratings rf i n put p o wer [1] 11.5 d b m ( t = 85 c) digital i n puts ( l e , serin , c l k , p / s , d o-d5, p u p 1 , p u p 2 ) -0.5 to vdd +0.5v controller b i as voltage (vdd) 5.6v a m plifer b i as voltage (vcc) 5.5v channel t em perature 150 c continuous p diss ( t = 85 c) (derate 15.1 mw/ c above 85 c) [1] 0.98 w t hermal r e sistance 66.3 c/w s t orage t e mperature -65 to +150 c operating t e mperature -40 to +85 c es d s ensitivity (h b m ) class 1 a [1] a t m ax gain settling ele c t r o s tati c sensiti v e d e v i c e o b ser v e h a n d l in g p re c a u ti o n s bias voltage vdd (v) i d d ( t y p.) (m a ) 5v 0.12 vs (v) i s ( t y p.) (m a ) 5v 86 pup truth table power-up states control voltage i np ut gain r e lative to m a ximum gain d5 d4 d3 d2 d1 d0 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 db 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 n y combination of the above states will provide a reduction in gain approximately equal to the sum of the bits selected. truth table control voltage table s t ate 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 if le is set to logic low at power-up, the logic state of p u p 1 a nd p u p 2 d etermines the power-up state of the part per p u p truth table. i f t he le is set to logic h i g h at power-up, the logic state of d0-d5 determines the power-up state of the part per truth table. t h e dvg a latches in the desired power-up state approximately 200 ms after power-up. power-on sequence the ideal power-up sequence is: gnd, vdd, digital inputs, rf inputs. t h e relative order of the digital inputs are not important as long as they are powered after vdd / g n d le p u p 1 p u p 2 gain r e lative to m a ximum gain 0 0 0 -31.5 0 1 0 -24 0 0 1 -16 0 1 1 i nsertion l o ss 1 x x 0 to -31.5 d b n ote: t he logic state of d0 - d5 determines the power- up state per truth table shown below when le is high at power-up.
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 a m plifiers - di g i tal - smt 0 - 6 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz outline drawing n o t es : 1. lea d f rame material : c o p per all o y 2. d i mensi o n s are in in c h e s [ m illimeters ] 3. lea d spa c i n g t o l eran c e is n o n - cu m u l ati v e . 4. pad burr length shall be 0.15 mm maximum. pad burr height shall be 0.05 mm maximum. 5. package warp shall not exceed 0.05 mm. 6. all g r o u n d lea d s an d g r o u n d pa d d l e m u s t be s o l d e re d t o p c b rf g r o u n d . 7. refer t o h i ttite appli c a ti o n n o te f o r s u gg e ste d lan d pattern . p a rt n umber p a ckage b ody m aterial l ead f i nish msl r a ting p a ckage m a rking [2] h m c 625h f lp 5 e r o h s - compliant l o w s t ress i n jection m o lded p l astic 100% matte s n msl 1 [1] h625h f xxxx [1] m a x peak refow temperature of 260 c [2] 4-digit lot number xxxx package information p i n n umber f u nction description i nterface s c hematic 1 ampin t his pin is dc coupled. an off chip dc blocking capacitor is required. 29 amp ou t rf output and dc bias (vcc) for the output stage of the amplifer. 2, 3, 13, 28, 30 - 32 g n d t h ese pins and package bottom must be connected to rf / dc ground. 4, 12 at tin , at t o u t t h ese pins are dc coupled and matched to 50 ohms. blocking capacitors are required. select value based on lowest frequency of operation. pin descriptions
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 a m plifiers - di g i tal - smt 0 - 7 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz application circuit p i n n umber f u nction description i nterface s c hematic 5 -11 n /c t h e pins are not connected internally; however, all data shown herein was measured with these pins connected to rf / dc ground externally. 14 ser o u t s e rial input data delayed by 6 clock cycles. 15, 16 p u p 2 , p u p 1 18 - 23 d5, d4, d3, d2, d1, d0 24 p / s 25 c l k 26 serin 27 le 17 vdd s upply voltage pin descriptions
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 a m plifiers - di g i tal - smt 0 - 8 HMC625HFLP5E v 0 0.0 311 0.5 db lsb gaas mmic 6-bit digital variable gain amplifier, 0.5 - 6 ghz evaluation pcb t he circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed 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 h e evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 116960 [1] i te m description j1 - j2 p c b m oun t sma c onnector j3 18 p i n dc connector j4 - j6 dc p i n c1 - c9 100 pf capacitor, 0402 pkg. c11 - c12 1000 pf capacitor, 0402 pkg. c14 2.2 f capacitor, c a se a p kg . r1 - r14 100 kohm resistor, 0402 pkg. r 15 1.8 ohm r e sistor, 1206 p kg . sw1, sw2 spdt 4 position dip switch l 1 24 nh inductor, 0603 pkg. u1 h m c 625h f lp 5 e v ariable gain a mplifer p c b [2] 116958 e v aluation p c b [1] r e ference this number when ordering complete evaluation p c b [2] circuit b o ard m a terial: a r lon 25 f r
|
