tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 1 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? applications ? ? ? 4x4 mm 24 pin leadless smt package product features ? ? ? ? ? ? ? functional block diagram general description the tqm879026 is a digital variable gain amplifier (dvga) featuring high linearity and digital variable gain control in 0.5 db step sizes. this dvga integrates a gain block, a digital - step atten uator (dsa), and a high linearity ? - watt amplifier into a compact 4x4 mm package. the internal 6 - bit dsa provid es a 31.5 db gain control range and is controlled with a serial periphery interface (spi tm ). the individual stages are accessible to external p orts to allow for optimization of the last stage amplifier for individual bands and also allowing other functional blocks to be added in - between the stages. the tqm879026 features variable gain from 1 db to 32 db at 2.14 ghz, +42.5 dbm output ip3, and +24 dbm p1db while only consuming 176 ma current from a 5v supply. the module is available in a compact 24 - pin 4x4 mm leadless smt package. pin configurati on pin no. symbol 1,2,4,6,7,9,11,17,18,19,21,22,24 nc (no connect) 3 dsa in 5 amp1 out / vcc1 8 amp1 in 10 sod 12 v dd 13 clk 14 sid 15 le 16 amp2 out / vcc2 20 amp2 in 23 dsa out backside paddle rf/dc ground ordering information part n o. description tqm879026 ? w 0.7 - 4.0 ghz dvga tqm879026 - pcb2140 2140 mhz eval uation board includes usb control board standard t/r size = 2500 pieces on a 13 reel n c n c d s a i n n c a m p 1 o u t / v c c 1 n c 1 2 3 4 5 6 1 8 1 7 1 6 1 5 1 4 1 3 n c n c a m p 2 o u t / v c c 2 l e s i d c l k 2 4 2 3 2 2 2 1 2 0 1 9 n c d s a o u t n c n c a m p 2 i n n c 7 8 9 1 0 1 1 1 2 n c a m p 1 i n n c s o d n c v d d 6 - b i t s p i d s a b a c k s i d e p a d d l e r f / d c g n d p i n 1 m a r k i n g
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 2 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? recommended operating conditions parameter min typ max units supply voltage (v dd ) 4.75 5.0 5.25 v t case - 40 +85 c tj for >10 6 hours mttf +170 c electrical specifications are measured at specified test conditions. specifications are not guaranteed over all recommended operating conditions. absolute maximum ratings paramet er rating storage temperature - 55 to 150c rf input power, cw, 50 , t=25 c +12 dbm supply voltage (v dd ) +5.5 v digital input voltage v dd + 0.5 v operation of this device outside the parameter ranges given above may cause permanent damage. electrical specifications test conditions unless otherwise noted: v dd =+5 v, temp= +25c, matched 2140 mhz reference circuit , max. gain setting. parameter conditions min typ max units operational frequency range 700 4000 mhz test frequency 2140 mhz gain 29 32 35 db gain control range 0.5 db step size 31.5 db accura cy error (0.3+5% of attenuation setting) db input return loss 1 7 db output return loss 1 3 db output p1db +24 dbm output ip3 pout = +11 dbm/tone, ?f = 1 mhz thermal resistance, jc module (junction to case) 36.7 c/w notes: 1. amp1 current (pin 5) is typically 84 ma. amp2 current (pin 16) is typi cally 90 ma. dsa current (pin 12) is typically 2 ma.
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 3 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? serial control interface the tqm879026 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 i s 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 h igh, clk is internally disabled. serial control timing characteristics (test conditions: v dd = +5 v, t emp. =25c) 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 hold - 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 con trol dc logic characteristics (test conditions: v dd = +5 v, t emp. =25c) parameter condition min max units input low state voltage, v il 0 0.8 v input high state voltage, v ih 2.4 v dd v output high state voltage , v o h on s od pin 2.0 v dd v output low s tate voltage , v ol on s od pin 0 0.8 v input current, i ih / i il on s id , le and clk pins ? sid 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 ? 0.5 db 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. s i d c l k l e d 5 - d 0 m s b - l s b d 5 - d 0 m s b - l s b t s d s u p t s d h l d t l e s u p t l e p w t p l o
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 4 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? bill of mater ial - tqm879026 - pcb2140 reference des. value description manuf. part number u1 n/a ? w dvga triquint tqm879026 c1, c2 100 pf cap 0402 5% 50v npo/cog various c3 8.2 pf cap 0402 0.1 pf 50v npo/cog avx 04025u8r2bat2a c4 0.01 uf cap 0402 10% 16v x 7r various c6 1 uf cap 0402 10% 10v x5r various c7 22 pf cap 0402 5% 50v npo/cog various c8 1.2 pf cap 0402 0.1 pf 25v npo/cog avx 04023u1r2cat2a c9 0.8 pf cap 0402 0.075 pf 25v npo/cog avx 04025u0r8bat2a l1 68 nh ind 0402 various l2 18 nh in d 0402 various l3 2.2 nh ind 0402 various r1, r2, r3, r5 0 r4 4.3 tqm879026 - pcb2140 evaluation board j 5 u 1 r 4 c 8 l 1 c 4 c 1 r 3 r 2 r 1 c 6 c 7 l 2 r 5 c 3 c 9 l 3 c 2 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 2 4 2 3 2 2 2 1 2 0 1 9 s p i d s a c 1 1 0 0 p f c 2 1 0 0 p f l 1 6 8 n h c 4 0 . 0 1 u f s o d j 5 - 1 4 v d d j 5 - 1 r 4 4 . 3 ? c 8 1 . 2 p f r 3 0 ? r 2 0 ? r 1 0 ? l e j 5 - 1 3 d a t a j 5 - 1 1 c l k j 5 - 1 2 c 3 8 . 2 p f c 6 1 u f c 7 2 2 p f l 2 1 8 n h j 1 r f i n p u t v d d j 5 - 1 v d d j 5 - 1 9 r 5 0 ? c 9 0 . 8 p f l 3 2 . 2 n h j 2 r f o u t p u t
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 5 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? typical performance tqm879026 - pcb2140 test conditions unless otherwise noted: v dd =+5v, temp= +25c, dsa at max. gain setting parameter conditions typical value units frequency 2110 2140 2170 mhz gain 32.6 32.6 32.6 db input return loss 18 18 18 db output return loss 15 14 13 db output p1db 23.8 23.9 24.0 dbm oip3 pout= +11 dbm/tone, performance plots - tqm879026 - pcb2140 test conditions unless otherwise noted: v dd =+5v, temp= +25c 27 30 33 36 39 2110 2120 2130 2140 2150 2160 2170 gain (db) frequency (mhz) gain vs. frequency +85 c +25 c 40 c - 25 - 20 - 15 - 10 - 5 0 2110 2120 2130 2140 2150 2160 2170 |s11| (db) frequency (mhz) input return loss vs. frequency +85 c +25 c 40 c - 20 - 15 - 10 - 5 0 2110 2120 2130 2140 2150 2160 2170 |s22| (db) frequency (mhz) output return loss vs. frequency +85 c +25 c 40 c 30 35 40 45 50 55 2110 2120 2130 2140 2150 2160 2170 oip3 (dbm) frequency (mhz) oip3 vs. frequency +85 c +25 c ?40 c pout=+11 dbm/tone 1 mhz tone spacing 22 23 24 25 26 2110 2120 2130 2140 2150 2160 2170 p1db (dbm) frequency (mhz) p1db vs. frequency +85 c +25 c ?40 c 0 0.5 1 1.5 2 2.5 3 2110 2120 2130 2140 2150 2160 2170 nf (db) frequency (mhz) nf vs. frequency +85 c +25 c ?40 c - 1 - 0.5 0 0.5 1 0 5 10 15 20 25 30 35 attenuation accuracy (db) attenuation (db) attenuation accuracy vs. attenuation 2170 mhz 2140 mhz 2110 mhz
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 6 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? evaluation board pcb information triquint pcb 1095178 material and stack - up pin configuration and description pin no. symbol description 1, 2, 4, 6, 7, 9, 11, 17, 18, 19, 21, 22, 24 nc (no connect) no electrical connection. land pads should be provided for pcb mounting integrity. 3 dsa in dsa input 5 amp1 out/v cc1 rf output / dc supply (amp1). 8 amp1 in rf input (amp1). band - specific matching circuit required. 10 sod serial out put data 12 v dd dc supply 13 clk serial clock 14 sid serial in put data 15 le latch enable 16 amp2 out/v cc2 amp2 rf output / dc supply (amp2). band - specific matching circuit required. 20 amp2 in rf input (amp2). band - specific matching circuit required. 23 dsa out dsa output backside paddle rf/dc gnd rf/dc ground. use recommended via pattern to minimize inductance and thermal resistance. see pcb mounting pattern for suggested footprint. 1 o z . c u b o t t o m l a y e r n e l c o n - 4 0 0 0 - 1 3 n e l c o n - 4 0 0 0 - 1 3 r = 3 . 7 t y p . n e l c o n - 4 0 0 0 - 1 3 1 o z . c u t o p l a y e r 1 o z . c u i n n e r l a y e r 1 o z . c u i n n e r l a y e r 0 . 0 1 4 " 0 . 0 1 4 " 0 . 0 6 2 0 . 0 0 6 f i n i s h e d b o a r d t h i c k n e s s n c n c d s a i n n c a m p 1 o u t / v c c 1 n c 1 2 3 4 5 6 1 8 1 7 1 6 1 5 1 4 1 3 n c n c a m p 2 o u t / v c c 2 l e s i d c l k 2 4 2 3 2 2 2 1 2 0 1 9 n c d s a o u t n c n c a m p 2 i n n c 7 8 9 1 0 1 1 1 2 n c a m p 1 i n n c s o d n c v d d 6 - b i t s p i d s a b a c k s i d e p a d d l e r f / d c g n d p i n 1 m a r k i n g
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 7 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? pcb mounting pattern notes: 1. all dimensions are in m illimeters. 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. 4. do not remove or minimize via hole structure in the pcb. thermal and rf grounding is critical. 5. 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). 6. ensure good package backside paddle solder attach for reliable operation and best electrical performance. mechanical information package marking and dimensions marking: part number C C notes: 1. all dimensions are in millimeters. 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. tqm879026 yyww cccc aaxxxx 2x 24x seating plane 4.00.1 4.00.1 1.350 1.350 1.350 1.350 1.75 1.020.08 2x 24x 0.50 pitch c 5 terminal #1 identifier (24x) 0.300x x 0.250y 0.10 c a b terminal #1 identifier 4 gnd/thermal pad 5 1.75 (1x) shape 0.10 c a b 24x 0.10 .10 c .10 c .10 c .08 c 1.75 1.75 .250.1 .250.1
tqm879026 0. 7 ? 4 ghz ?w digital variable gain amplifier data sheet: rev b 1 2 / 1 4 /2012 - 8 of 8 - disclaimer: subject to change without notice ? 201 2 triquint semiconductor, inc. connecting the digital world to the global network ? product compliance information esd sensitivity ratings esd rating: class 1a value: passes 1000 v solderability compatible with both lead - free (260 c max. reflow temperature) a nd tin/lead (245 c max. reflow temperature) soldering processes. contact plating: electrolytic plated au over ni rohs compliance this part is compliant with eu 2002/95/ec rohs directive (restrictions on the use of certain hazardous substances in elec trical and electronic equipment). this product also has the following attributes: ? ? ? ? 15 h 12 br 4 0 2 ) free ? ? msl rating msl rating : level 3 test: 260c convection reflow stand ard: 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: ww w.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 liability whatsoever fo r 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 products. the inform ation 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 anything described by suc h 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 severe personal injury o r death.
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