tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier applications ? ? fixed wireless ? microwave and satellite radio ? if and rf applications ? general purpose wireless functional block diagram top view ampin gnd gnd attout acg1 acg2 acg3 acg4 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 nc nc nc nc nc nc nc v dd 32 31 30 29 28 27 26 25 gnd gnd gnd ampout/v amp gnd le sid clk 9 10 11 12 13 14 15 16 acg5 acg6 nc attin gnd sod nc nc 6-bit spi dsa 32 p in 5 ? x ? 5 ? mm l eadless smt p ackage ordering information part no. description tqm8m9075 digital vari able gain amplifier tqm8m9075 ? ? ? ? product features ? ? 50? ? ? 4000 ? mhz broadband performance ? 18? db gain at 2.14 ? ghz ? 2.9 ? db noise figure at max gain setting ? +2 0.5 ? dbm p1db ? +36.5 ? dbm oip3 ? +5 ? v supply voltage ? 88? ma operating current ? mttf > 1000 years general description the tqm8m9075 is a digitally controlled variable gain amplifier (dvga) with a broadband frequency range of 50 to 4000 ? mhz. th e dvga features high linearity and low noise while providing digital variable gain with 31.5 ? db of range in 0.5 ? db steps through a 6 - bit serial mode control interface. this combination of performance parameters makes the dvga ideal for receiver applicatio ns requiring gain control with high iip3 and low noise figure. the tqm8m9075 integrates a high performance digital step attenuator and a high linearity, broadband gain block. both stages are internally matched to 50 ? ohms and do not require any external ma tching components. a serial output port enables cascading with other serial controlled devices. the tqm8m9075 is packaged in a rohs - compliant, compact 5 ? x ? 5 ? mm surface - mount leadless package. superior thermal design allows the product to have a minimum mttf rating of 1000 years at a mounting temperature of +85 ? c. the tqm8m9075 is targeted for use in wireless infrastructure, point - to - point, or can be used for any general purpose wireless application. pin configuration pin no. label pin no. label 1 a mp in 17 v dd 4 attout 25 clk 5 ? ? ? ? ?/?v - 1 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier recommended operating conditions parameter min typ m ax units v dd +3.3 + 5 + 5.25 v i dd 88 ma operating temp. range ? electrical sp ecifications test conditions unless otherwise noted: v dd =+5?v , temp.= +25 ?c , configured as dsa followed by amp parameter conditions min typ max units operational frequency range 50 4000 mhz test frequency 2140 mhz gain 16 18 20 db gain contr ol range 31.5 db gain accuracy (0.3 + 4% of atten. setting) max db attenuation s tep 0.5 db time rise / fall 10% / 90% rf 90 ns time on, time off 50% ctl to 10% / 90% rf 100 ns input return loss 16 db output return loss 16.5 db out put p1db + 20.5 dbm output ip3 pout=+3 dbm/tone, f=1 mhz ? absolute maximum ratings parameter rating storage temperature ? ? ? ,t = 25 ? ? ? ? ? - 2 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier serial control interface the tqm8m9075 has a cmos spi tm input compatible serial interface. this serial control interface converts the serial data input stream to parallel output word. the input is 3 - wire (clk, le and sid ) spi tm input compatible. at power up, the serial control interface resets the dsa to the minimum gain state. the 6 - bit sid (serial input data) word is loaded into the register on rising edge of the clk, msb first. when le is high, clk is internally disabled. serial control timing characteristics (test condit ions: v dd = +5 v, temp.=25 ? c) parameter condition min max units clock frequency 50% duty cycle 10 mhz le setup time, t lesup after last clk rising edge 10 ns le pulse width, t lepw 30 ns sid set - up time, t sdsup before clk rising edge 10 ns sid h old - time, t sdhld after clk rising edge 10 ns le pulse spacing t le le to le pulse spacing 630 ns propagation delay t plo le to parallel output valid 30 ns serial control dc logic characteristics (test conditions: v dd = +5 v, temp.=25 ? c) parameter condition min max units input low state voltage, v il 0 0.8 v input high state voltage, v ih min value shown valid for v dd =+5 v only 2.4 v dd v output high state voltage, v oh on s od pin 2.0 v dd v output low state voltage, v ol on s od pin 0 0.8 v input current, i ih / i il on s id , le and clk pins ? serin control logic truth t able timing diagram 6 - bit control word gain relative to maximum gain clk is internally disabled when le is high m sb l sb d5 d4 d3 d2 d1 d0 1 1 1 1 1 1 maximum gain 1 1 1 1 1 0 ? 1 1 1 1 0 1 ?1 db 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. sid clk le d 5 - d 0 msb - lsb d 5 - d 0 msb - lsb t sdsup t sdhld t lesup t lepw t plo datasheet rev. h 10- 2 0 - 14 - 3 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier tqm8m9075?pcb evaluation board c1 c7 c6 c3 c2 j6 c4 c5 c8 l1 c11 u1 notes: 1. see evaluation board pcb information section for material and stack - up. 2. c4, c5, c6 and c7 may be removed for operation above 700 mhz. bill of material ? tqm8m9075?pcb reference des. value description manuf. part number n/a n/a printed circuit board triquint 1081051 u1 n/a digital variable gain amp triquint tqm8m9075 l1 (note 1 ) 47 nh inductor, 0603 coilcraf t 0603cs - 47nxjlw c1, c2, c3 68 pf capacitor, 0402 various c4, c5, c6, c7 330 pf capacitor, 0402 various c8 1000 pf capacitor, 0603 various c11 0.01 uf capacitor, 0603 various notes: 1. for if applications (<300 mhz) increase l1 to 330 ?nh. datasheet rev. h 10- 2 0 - 14 - 4 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier typical performance tqm8m9075 - pcb test conditions unless otherwise noted: v dd =+5 v, i dd =88 ma (typ.), temp=+25?c parameter typical value units frequency 500 900 2140 2700 3500 4000 mhz gain (1) 20.7 20.5 18.0 16.7 14.7 13.4 db input return loss 16.6 27.2 16.5 15.2 14.6 25.0 db output return loss 8.3 12.9 16.0 13.9 10.9 8.9 db output p1db +21 +21 +20.5 +20.1 +19.7 +19.0 dbm o utput ip3 (2) +36.7 +36.7 +36.5 +38 .0 +34.9 +33.8 dbm noise f igure (3) 1.9 2.0 2.9 3.3 4.1 4.9 db notes: 1. gain values reflect de - embedding of 0.4 db eval board rf i/o line losses that would not be present in target applications. 2. pout= +3 dbm/ tone, f=1 mhz 3. nf values reflect de - embedding of eval board rf i/o line losses that would not be present in target applications. 4. unless otherwise stated, performance plots shown below for dvga maximum gain state. performance plots - tqm8m9075 - pcb - 40 - 30 - 20 - 10 0 0 1 2 3 4 input return loss (db) frequency (ghz) input return loss vs. frequency +85 c +25 c 40 c - 25 - 20 - 15 - 10 - 5 0 0 1 2 3 4 output return loss (db) frequency (ghz) output return loss vs. frequency +85 c +25 c 40 c 25 30 35 40 45 0.0 1.0 2.0 3.0 4.0 oip3 (dbm) frequency (mhz) oip3 vs. frequency 1 mhz tone spacing pout / tone = +3 dbm +85 c +25 c ?40 c 15 17 19 21 23 25 0.0 1.0 2.0 3.0 4.0 p1db (dbm) frequency (ghz) p1db vs. frequency +85 c +25 c ?40 c 0 1 2 3 4 5 6 7 0 0.5 1 1.5 2 2.5 3 3.5 4 nf (db) frequency (ghz) noise figure vs. frequency +85 c +25 c ?40 c - 1.5 - 1 - 0.5 0 0.5 1 1.5 0 5 10 15 20 25 30 35 attenuation accuracy (db) attenuation (db) attenuation accuracy vs. attenuation 2600 mhz 1900 mhz 900 mhz - 40 - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 0 1 2 3 4 input return loss (db) frequency (mhz) input return loss vs. frequency min gain temp.=+25 c key bit states max gain - 25 - 20 - 15 - 10 - 5 0 0 1 2 3 4 output return loss (db) frequency (mhz) output return loss vs. frequency temp.=+25 c key bit states min gain max gain ` datasheet rev. h 10- 2 0 - 14 - 5 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier pin configuration and description top view ampin gnd gnd attout acg1 acg2 acg3 acg4 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 nc nc nc nc nc nc nc v dd 32 31 30 29 28 27 26 25 gnd gnd gnd ampout/v amp gnd le sid clk 9 10 11 12 13 14 15 16 acg5 acg6 nc attin gnd sod nc nc 6-bit spi dsa pin no. symbol description 1 a mp in amp rf input. external dc block required. 2, 3,13, 28, 30, 31, 32 gnd (ground) dc ground 11, 15, 16, 18 - 24 nc (no connect) no electrical connectio n. provide land pads for pcb mounting integrity. 29 a mp out /v amp amp rf output / dc supply. external dc block and bias choke required. 12 attin dsa input 4 attout dsa output 5, 6, 7, 8, 9, 10 acg1 -6 place external capacitor to ground for application s below 700 mhz. 14 sod serial output data 17 v dd dc supply into spi and dsa 25 clk serial clock 26 sid serial input data 27 le latch enable backside pad rf/dc gnd rf/dc ground. use recommended via pattern and ensure good solder attach for best ther mal and electrical performance . evaluation board pcb information triquint pcb 10 81051 material and stack - up datasheet rev. h 10- 2 0 - 14 - 6 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier package marking and dimensions top view side view 1.020.08 0.10 c 5.000.10 2x 0.10 c 2x 0.10 c 5.000.10 pin 1 locator bottom view (4x) 0.250 (32x) 0.500 bsc (1x) shape 0.10 c a b 1.900 0.20 x 45 0.100 (4x) 1.900 0.225 (4x) (16x) 0.275x x 0.240y 0.10 c a b pin 1 location (16x) 0.240x x 0.275y 0.10 c a b 1.900 1.900 2.2625 2.2625 2.2625 2.2625 c b a notes: 1. all dimensions are in millime ters. angles are in degrees. 2. dimension and tolerance formats conform to asme y14.4m - 1994. 3. the terminal #1 identifier and terminal numbering conform to jesd 95 - 1 spp - 012. pcb mounting pattern n otes : 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 for 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 and best electrical performance. tqm8m907 5 yyww cccc aaxxxx package marking product identifier date code assembly code datasheet rev. h 10- 2 0 - 14 - 7 of 8 - disclaimer: subject to chan ge without notice ? 2014 triquint www.triquint.com
tq m8m9075 0.05? ? ?4?ghz digital variable gain amplifier 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@triquint.com fax: +1.503.615.8902 for technical questions and application information: email: sjcapplications.engineering@triquint.com product compliance information esd sensitivity ratings cauti on! esd - sensitive device esd rating: class 1a value: ?250?v to |
