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tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 1 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? applications ? 3g / 4g wireless infrastructure ? cdma, td - cdma, wcdma, lte ? repeaters ? ptp radio if chains 28- pin 6x6mm leadless smt package product features ? 1.4 - 2.7 ghz frequency range ? 31.7 db maximum gain at 2 ghz ? 31.5 db gain range in 0.5 db steps ? +43 dbm outp ut ip3 ? +24.5 dbm output p1db ? 1.5 db noise figure at max. gain state ? fully internally matched module ? integrated blocking capacitors, bias inductors ? 3 - wire spi control programming functional block diagram general description the TQM879006A is a dig ital variable gain amplifier (dvga) featuring high linearity over the entire gain control range. the amplifier module features the integration of a low noise amplifier gain block, a digital - step attenuator (dsa), along with a high linearity ?w amplifier. the module has the added features of integrating all matching components with bias chokes and blocking capacitors. the internal dsa offers 0.5 db step, 6 - bit, and 31.5 db range and is controlled with a serial periphery interface (spi tm ). the TQM879006A features variable gain from 0 db to 31.7 db at 2 ghz, has +43 dbm output ip3, and +24.5 dbm p1db. the amplifier also has a very low 1.5 db noise figure ( at maximum gain) allowing it to be an ideal dvga for both receiver and transmitter applications. the amplifier operates from a single +5v supply and is available in a compact 28 - pin 6x6 mm leadless smt package. pin configuration pin # symbol 1 le 2 data 3 clk 4, 22 nc 6 rfin 8 vcc_amp1 14 vcc_amp2 16 rfout 28 vcc_spi all other pins gnd ordering information part no. description TQM879006A 1.4 - 2.7 ghz digital variable gain amp TQM879006A - pcb fully assembled evaluation board includes us b control board (evh) standard t/r size = 2500 pieces on a 7 reel.
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 2 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? absolute maximum ratings parameter rating storage temperature - 55 to 150 c rf input power, cw, 50,t = 25oc +23 dbm vcc (pins 8, 14, 28) +5.5 v digital input voltage v cc + 0.5v operation of this device outside the parameter ranges given above may cause permanent damage. recommended operating conditions parameter min typ m ax units vcc (pins 8, 14, 28) + 4.75 + 5 + 5.25 v case temperature - 40 + 85 c t j ( for >10 6 hours mttf) 170 c electrical specifications are measured at specified test conditions. specifications are not guaranteed over all recommended operating conditions. electrical specifications test conditions unless otherwise noted: 25 c , vcc = +5v, maximum ga in state parameter conditions min typ max units operational frequency range 1400 2700 mhz test frequency 2000 mhz gain 27.5 31.7 34 db gain control range 0.5 db step size 31.5 db attenuation accuracy all states, 3 wire spi, 6 states (0.3+5% of attenuation setting) max db control interface 3 - wire serial interface 6 bit input return loss 21 db output return loss 20 db output p1db +24.5 dbm output ip3 pout=+ 11 dbm/tone, f=1 mhz +38 +43.0 dbm noise figure 1.5 db i/o impedance 50 ohm supply voltage +5 v supply current 174 240 ma thermal resistance, jc module (junction to case) 36.7 o c/w
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 3 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? application circuit (TQM879006A - pcb) notes : 1. for pcb board layout, see page 9 for more information. 2. all components are of 0603 size unless stated otherwise. 3. for spi timing diagram, see page 6. 4. 0 ? jumpers may be replaced with copper traces in the target application layout. 5. different ground pins are used for spi (digital) and analog supply voltages. 6. the primary rf microstrip characteristic line impedance is 50 ?. 7. the single power supply is used to provide supply voltage to amp1 and amp2. bill of material - TQM879006A - pcb reference des. value desc ription manuf. part number u1 n/a 1.5 - 2.7 ghz ? w dvga triquint TQM879006A c8 0.1 uf cap, chip, 0603, 16v, x7r, 10% various c12, c13 4.7 uf cap, chip, 0603, 6.3v, x5r, 20% various c1, c2, fb1, fb2 0 res, chip, 0603, 1/16w, 5% various c4 dnp
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 4 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? typical performance, maximum gain state test conditions unless otherwise noted: vcc = +5 v , i cc =174 ma (typ), temp= 25 c parameter typical value units frequency 1500 1800 2000 2140 2350 2600 m hz gain 30.8 31.4 31.7 31.7 31.6 30.8 db input return lo ss 13 25 21 17 18 19 db output return loss 10 15 20 19.5 15 11 db output p1db + 24.1 +24.5 +24.5 +24.5 +24.4 +24.3 dbm output ip3 ( 11 dbm/tone, ?f = 1 mhz ) +40.2 +42 .0 +43.0 +43.0 +41 .0 +40.5 dbm noise figure 1.35 1.4 1.5 1.5 1.6 1.8 db notes: 1. the evaluation board can be used with triquints usb interface board. refer to triquints website for more information . typical perfor mance plots - 5 0 5 10 15 20 25 30 35 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 gain (db) frequency (ghz) gain vs. freq over attenuation states 0db 0.5db 1db 2db 4db 8db 16db 31.5db temp. = 25 o c 25 27 29 31 33 35 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 gain (db) frequency (ghz) gain vs. freq over temperature maximum gain state +85 c +25 c ?40 c - 30 - 25 - 20 - 15 - 10 - 5 0 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 s11 (db) frequency (ghz) s11 vs. freq over attenuation states 0db 0.5db 1db 2db 4db 8db 16db 31.5db temp. = 25 o c - 30 - 25 - 20 - 15 - 10 - 5 0 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 s11 (db) frequency (ghz) s11 vs. freq over temperature maximum gain state +85 c +25 c ?40 c
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 5 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? typical performance plots - 30 - 25 - 20 - 15 - 10 - 5 0 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 s22 (db) frequency (ghz) s22 vs. freq over attenuation states 0db 0.5db 1db 2db 4db 8db 16db 31.5db temp. = 25 o c - 30 - 25 - 20 - 15 - 10 - 5 0 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 s22 (db) frequency (ghz) s22 vs. freq over temperature maximum gain state +85 c +25 c ?40 c 30 35 40 45 50 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 oip3 (dbm) frequency (ghz) oip3 vs. frequency 1 mhz tone spacing pout /tone = 11dbm +85 c +25 c ?40 c 0.0 1.0 2.0 3.0 4.0 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 nf (db) frequency (ghz) noise figure vs. frequency +85 c +25 c ?40 c 22 23 24 25 26 27 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 p1db (dbm) frequency (ghz) p1db vs. frequency +85 c +25 c ?40 c - 2.0 - 1.5 - 1.0 - 0.5 0.0 0.5 1.0 1.5 2.0 0 5 10 15 20 25 30 attenuation accuracy (db) attenuation (db) attenuation accuracy vs. attenuation 1.8ghz 1.9ghz 2.0ghz 2.4ghz 2.7 ghz vdd = 5 v , temp. = 25 o c
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 6 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? serial control interface serial control timing characteristics (test conditions: v cc = +5 v, t lead =25c) parameter condition min max units clock frequency 50% duty cycle 10 mhz le set up time, t lesup after last clk rising edge 10 ns le pulse width, t lepw 30 ns serin set - up time, t sdsup before clk rising edge 10 ns serin hold - time, t sdhld after clk rising edge 10 ns le pulse spacing t le le to le pulse spacing 630 ns propagat ion delay t plo le to parallel output valid 30 ns serial control dc logic characteristics (test conditions: v cc = +5 v, t lead =25c) parameter condition min max units input low voltage, v il 0 0.8 v input high voltage, v ih 2.4 vcc v input current, i ih / i il on serin, le and clk -10 +10 a serin (msb in first 6 - bit word) control logic truth table m sb 6 - bit control word to dsa l sb gain relative to maximum gain d 5 d 4 d 3 d 2 d 1 d 0 reference : il 1 1 1 1 1 1 0 db 1 1 1 1 1 0 0.5 db 1 1 1 1 0 1 1 d b 1 1 1 0 1 1 2 db 1 1 0 1 1 1 4 db 1 0 1 1 1 1 8 db 0 1 1 1 1 1 16 db 0 0 0 0 0 0 31.5 db any combination of the possible 64 states will provide a reduction in gain of approximately the sum of the bits selected. serial control interface timing diag ram clk is disabled when le is high serin clk le d5-d0 msb-lsb d5-d0 msb-lsb t sdsup t sdhld t lesup t lepw t plo
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 7 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? detailed device description the tqm879006 a is a 50 ? internally matched digital variable gain amplifier (dvga) featuring high linearity over the entire gain control range. the amplifier module features the integration of a low noise amplifier gain block, a digital - step attenuator (dsa), along wi th a high linearity ?w amplifier as shown in the functional diagram below. the module is unconditionally stable. internal blocking capacitors and bias structures keep external parts count to a minimum. the dvga has an operational frequency range from 1. 4 - 2.7 ghz. functional schematic diagram amp1 dsa spi amp2 m m dc bias dc bias le data clk pin 1 pin 6 pin 16 pin 2 pin 3 pin 14 pin 8 dc block dc block dc block dc block where m = matching network. chain analysis table this table provides the typical performance of individual stages in the module as well as overall module performance. parameter amp1 dsa amp2 overall module units gain 19 - 1.8 14.5 31.7 db nf 1.3 1.8 4.0 1.5 db oip3 36 55 43 43 dbm p1db 20 28.5 24.5 24.5 dbm icc 85 2.0 87 174 ma
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 8 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? detailed device description amp1 amp1 is a wide band low noise amplifier gain block in dvga module. the amplifier provid es 19 db gain, 1.3 db noise figure, +36 dbm oip3 at 2.0 ghz while only drawing 85 ma current. external dc blocks and biasing is not required. amp1 is dc blocked internally and is connected internally to three bypass capacitors (22 pf, 100 pf, 0.01 uf) fol lowed by 22 nh inductor inside the module as shown in the figure below. 22 pf 100 pf 0.01 uf amp1 22 nh pin 6 pin 8 to dsa (internal) dc block dc block dsa (digital step attenuator) dvga has a serial digital step attenuator that is controlled with 6 - bit serial periphery interface (spi tm ) and has 0.5 db step size with 31.5 db atte nuation range. this 50 - ohm rf dsa maintains high attenuation accuracy over frequency and temperature. 000000 represents maximum attenuation state. external bypass capacitors are needed to compensate the inductance effect associated with long transmiss ion lines on the evaluation board. amp2 amp2 is high linearity ? - w amplifier in dvga module. the amplifier provides 14.4 db gain, +24.5 dbm p1db, +43 dbm oip3 at 2.0 ghz while only drawing 87 ma current. the amplifier is optimized over 1.4 C 2.7 ghz b andwidth using internal matching components. amp2 is dc blocked internally and is connected internally to two bypass capacitors (22 pf, 0.01 uf) followed by an 18 nh inductor inside the module as shown in the figure below. external dc blocks and biasing is not required. 22 pf 0.01 uf amp2 dc block 18 nh pin 16 pin 14 from dsa (internal) dc block m m
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 9 of 1 1 - disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? pin configuration and description pin symbol description 1 le serial latch enable input. when le is high, latch is clear and content of spi control the attenuator. when le is low, data in spi is latched. 2 data serial data inp ut. the data and clock pins allow the data to be entered serially into spi and is independent of latch state. 3 clk serial clock input. 4, 22 n/c no internal connection. connect or open. this pin is not connected in this module 6 rfin input, matched t o 50 ohms between 1800 and 2700 mhz. internally dc blocked. 8 vcc_amp1 supply voltage to amp1. this pin is connected internally to 3 bypass capacitors (22pf, 100 pf, 0.01uf) followed by a 22 nh inductor inside the module. 14 vcc_amp2 supply voltage to a mp2. this pin is connected internally to 2 bypass capacitors (22pf, 0.01uf) followed by an 18 nh inductor inside the module. 16 rfout output, matched to 50 ohms between 1800 and 2700 mhz. internally dc blocked. 28 vcc_spi supply voltage for spi and dsa chip. this pin is connected to 0.1uf bypass capacitor internally. all other pins gnd rf/dc ground connection evaluation board pcb information triquint pcb 1080956 material and stack - up 50 o hm line dimensions: width = .030, spacing = .036
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 10 of 1 1 disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? mechanical information package marking and dimensions marking: part number C TQM879006A lot code C yyww cccc vendor code and triquint lot number - aaxxxx notes: 1. all dimensions are in millimeters. angles are in degrees. 2. except where noted, this p art outline conforms to jedec standard mo - 220, issue e (variation vggc) for thermally enhanced plastic very thin fine pitch quad flat no lead package (qfn). 3. dimension and tolerance formats conform to asme y14.4m - 1994. 4. the terminal #1 identifier and termina l numbering conform to jesd 95 - 1 spp- 012. pcb mounting pattern notes: 1. all dimensions are in millimeters. angles are in degrees. 2. use 1 oz. copper minimum for top and bottom layer metal. 3. vias are required under the backside paddle of this device f or proper rf/dc grounding and thermal dissipation. we recommend a 0.35mm (#80/.0135") diameter bit for drilling via holes and a final plated thru diameter of 0.25 mm (0.10). 4. ensure good package backside paddle solder attach for reliable operation a nd b est electrical performance. TQM879006A
tq m879006a 1. 4 - 2.7ghz ? w digital variable gain amplifier data sheet: rev p 10/ 1 9 /12 - 11 of 1 1 disclaimer: subject to change without notice ? 20 12 triquint semiconductor, inc. connecting the digital world to the global network ? product compliance information esd sensitivity ratings esd rating: class 1a value: passes 250 v to < 500 v test: human body model (hbm) standard: jedec standard jesd22 - a114 esd rating: class iv value: passes 1000 v test: charged device model (cdm) standard: jedec standard jesd22 - c101 solderability compatible with both lead - free (260 c max. reflow temperature) and tin/lead (245 c max. reflow temperature) soldering processes. c ontact plating: electrolytic plated au over ni rohs compliance this part is compliant with eu 2002/95/ec rohs directive (restrictions on the use of certai n hazardous substances in electrical and electronic equipment). this product also has the following attributes: x halogen free (chlorine, bromine) x antimony free x tbbp - a (c 15 h 12 br 4 0 2 ) free x pfos free x svhc free msl rating msl rating : level 3 test: 260c conv ection reflow standard: jedec standard ipc/jedec j - std - 020 contact information for the latest specifications, additional product information, worldwide sales and distribution locations, and information about triquint: web: www.triquint.com tel: +1.503.615.9000 email: info - sales@tqs.com fax: +1.503.615.8902 for technical questions and application information: email: sjcapplications.engineering@tqs.com important notice the information contained herein is believed to be reliable. triquint makes no warranties regarding the information contained herein. triquint assumes no responsibility or liab ility whatsoever for any of the information contained herein. triquint assumes no responsibility or liability whatsoever for the use of the information contained herein. the information contained herein is provided "as is, where is" and with all faults, and the entire risk associated with such information is entirely with the user. all information contained herein is subject to change without notice. customers should obtain and verify the latest relevant information before placing orders for triquint pr oducts. the information contained herein or any use of such information does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other intellectual property rights, whether with regard to such information itself or anythi ng described by such information. triquint products are not warranted or authorized for use as critical components in medical, life - saving, or life - sustaining applications, or other applications where a failure would reasonably be expected to cause sever e personal injury or death.

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