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TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 1 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com applications ? catv line amplifiers ? catv system amplifiers ? distribution nodes ? green applications soic - 16 wide package functional block diagram backside paddle - rf/dc gnd pin 1 reference mark 16 15 14 13 1 2 3 4 bias 2a in 2a out 2a gate a out 1a lin adj a in 1a bias 1a 5 6 7 8 12 11 10 9 bias 1b in 1b lin adj b out 1b gate b out 2b in 2b bias 2b product features ? 75 ?, 40 - 1000 mhz bandwidth ? gaas p hemt & mesfet technology ? user configurable gain: 21 - 27 db ? integrated linearization ? flexible bias voltage and current for optimum efficiency ? soic - 16 wide package pin configuration pin no. label pin no. label 1 out 1a 10 in 2b 2 lin adj a 11 out 2b 3 in 1a 12 gate b 4 bias 1a 13 gate a 5 bias 1b 14 out 2a 6 in 1b 15 in 2a 7 lin adj b 16 bias 2a 8 out 1b backside paddle rf/dc gnd 9 bias 2b general description the tat8857 a1h is a cost effective 75 ? rfic amplifier designed for use in doubler catv applications up to 1000 mhz. it works with readily available smt baluns and transformers to provide a highly flexible low cost replacement for traditional hybrids. gain of the t at8857 a1h may be easily adjusted by varying external components, allowing for a family of doubler solutions to be developed from a single rfic. the tat8857 a1h provides integrated linearization to improve the 3 rd order distortion performance. the tat885 7 a1h may be protected against transient surges with the tqp200002 and an output high pass filter network. consult triquint for discussion. the tat8857 a1h supports traditional 24 v and 12 v supply voltages. bias current may be adjusted to suit particula r requirements with standard or active biasing approaches. consult triquint for further discussion. ordering information part no. description TAT8857A1H catv doubler rfic tat 8857a1h - pcb 24v 40 - 1000 mhz eval . board tat 8857a1h - pcb 12v 40 - 1000 mhz ev al . board standard t/r size = 10 00 pieces on a 7 x 12mm reel
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 2 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com recommended operating conditions parameter min typ max units supply voltage (v cc ) 24 v i cc 350 ma t case ? 2 0 + 1 15 c t j (for >10 6 hours mttf) +150 c electrical performance is measured and guaranteed under conditions noted in the el ectrical specifications table. specifications are not guaranteed over all recommended operating conditions. absolute ma ximum ratings parameter rating storage temperature ? 6 5 to 150c operation of this device outside the parameter ranges given above may cause permanent damage. electrical specifications test conditions unless otherwise noted: v cc =+24 v, temp= +25 c, 75 system. parameter conditions min typ max units operational frequency range 40 1000 mhz test frequency 40 mhz gain 25 db input return loss 18 db output return loss 17 db output p1db f= 500 mhz 31 dbm output ip3 f1=225 mhz, f2=325 mhz, pout= +15 dbm/tone 52 dbm composite triple beat (1) - 73 dbc composite second order (1) - 74 dbc composite intermodulation noise (1) 60 db xmod (1) - 68 dbc noise figure 4.0 db v bias 24 v i dd (2) 350 ma thermal res istance, jc module (junction to case) 3.4 c/w notes: 1. 79ch. ntsc + qam (6db offset) to 1003.25 mhz, 13db uptilt from 55.25 mhz to 1003.25 mhz, 40 dbmv/ch at 55.25 mhz and the equivalent of 53 dbmv/ch at 1003.25 mhz. 2. active biasing i s easily implemented with traditional dual - pnp approaches. biasing at 12 v is also possible.
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 3 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com tat885 7 a1h - pcb evaluation board layout v cc = 24v u1 c9 l9 r7 l7 r3 c3 r8 l8 l5 c5 c10 l10 r4 l6 c6 c4 c7 c8 r1 r2 c27 c28 r5 r6 r10 r9 c11 c12 l12 l11 c13 c14 l16 r21 c16 l14 r20 l15 c15 l13 r13 r14 r11 r12 r15 r16 c17 c18 l17 l18 l19 r19 r18 c25 c24 l20 c22 l30 c2 t1 t2 r22 r23 tat885 7 a1h - pcb evaluation board v cc = 24v r5 r1 l7 c7 r22 r23 c3 c4 j1 rf input 1 3 2 4 r6 1 2 3 4 5 6 7 8 u1 tat8857f3 16 15 14 13 12 11 10 9 l19 vgate l17 t2 1 3 2 4 c2 l30 c22 vbias rf output r9 l11 l13 r13 c27 r7 l9 c13 c9 l8 c5 c6 c28 l5 r3 c11 c15 r20 l15 r15 c17 r11 r12 l18 l14 r14 r16 c18 r2 c8 r10 l12 r8 l10 c14 c10 l6 r4 c12 c16 r21 l16 vbias vgate c25 r18 r19 l20 c24 +24v gnd j1
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 4 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com bill of material C tat885 7 a1h - pcb v cc = 24v reference des. valu e description manuf. part number n/a n/a printed circuit board triquint 1077901 u1 n/a tat8857 catv doubler, soic - 16 triquint tat6281 t1 n/a tx line transformer, 3rd winding, 1:1 m acom maba- 009210 - ct1760 t2 n/a tx line transformer, special, 2:1 macom maba- 007681 - ct2010 mini - c ircuits trs2 - 1t - 1+ c5, c6 1.8 pf cap 0402, 0.1pf, 50v, npo tdk c1005c0g1h1r8b c27, c28 0.7 pf cap 0402, 0.075pf, 25v, npo panasonic ecd - g0er709 c17, c18 0.5 pf cap 0402, 0.25pf, 50v, npo/cog murata grm1555c1hr50cz01d c 15, c16 2.2 pf cap 0402, 0.25pf, 50v, npo/cog murata grm1555c1h2r2cz01d c24, c25 0.033 uf cap 0603, 10%, 50v, x7r avx 06035c333kaz2a c2, c3, c4, c7, c8, c11, c12 0.01 uf cap 0402, 10%, 50v, x7r various c9, c10 82 pf cap 0402, 5%, 50v, npo/cog murata grm1555c1h820jz01d c13, c14 330 pf cap 0402, 5%, 50v, npo/cog tdk cga2b2c0g1h331j c22 0.01 uf cap 0603, 10%, 50v, x7r avx 06035c103kat2a l11, l12 470 nh ind 0402, 5% coilcraft 0402af - 471xjlu l15, l16 9 nh ind 0402, 5% coilcraft 0402cs - 9nxjlw l17, l18 8.2 nh ind 0402, 5% coilcraft 0402cs - 8n2jlw l30 3.9 nh ind 0402, 5% coilcraft 0402cs - 3n9xjlw l20 900 nh ind 1008, 10% coilcraft 1008af - 901xklc l5, l6 15 nh ind 0402, 5% coilcraft 0402cs - 15nxjl l13, l14 27 nh ind 0402, 5% coilcraft 0402cs - 27nxjl l7, l8 , l19 600 res 0402, 300ma bead murata blm15bd601sn1 l9, l10 82 nh ind 0402, 5% coilcraft 0402cs - 82nxjlu r1, r2 27 k res 0402, 1%, 50v, 1/16w various r11, r12 18.2 res 0402, 1%, 50v, 1/10w various r13, r14 1.3 k res 0402, 1%, 50v, 1/16w various r18 2.7 k res 0603, 1%, 75v, 1/10w various r19 2.0 k res 0603, 1%, 75v, 1/10w various r3, r4 390 res 0402, 1%, 50v, 1/10w various r5, r6 8.06 k res 0402, 1%, 50v, 1/10w various r15, r16 43 res 0402, 1%, 50v, 1/10w various r7, r8 180 re s 0402, 1%, 50v, 1/16w various r9, r10 100 res 0402, 1%, 50v various r20, r21 33 res 0402, 1%, 50v, 1/16w various r22, r23 5.1 res 1210, 5%, 1/2w various
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 5 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com performance plots C tat885 7 a1h - pcb v cc = 24v test conditions unless otherwise noted: v cc =+24 v, i dd = 350 ma, t case = +25 c, 75 ? system 18 20 22 24 26 28 30 0 200 400 600 800 1000 1200 1400 gain (db) frequency (mhz) gain vs. frequency +85 c +25 c ?40 c - 40 - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 0 200 400 600 800 1000 1200 1400 |s11| (db) frequency (mhz) input return loss vs. frequency +85 c +25 c ?40 c - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 0 200 400 600 800 1000 1200 1400 |s22| (db) frequency (mhz) output return loss vs. frequency +85 c +25 c ?40 c 26 27 28 29 30 31 32 0 200 400 600 800 1000 1200 p1db (dbm) frequency (mhz) p1db vs. frequency +85 c +25 c ?40 c 0 1 2 3 4 5 6 7 0 200 400 600 800 1000 1200 1400 nf (db) frequency (mhz) noise figure vs. frequency +85 c +25 c ?40 c 50 52 54 56 58 60 62 64 66 68 70 0 100 200 300 400 500 600 cin (db) frequency (mhz) cin vs. frequency +85 c +25 c ?40 c - 90 - 85 - 80 - 75 - 70 - 65 - 60 0 100 200 300 400 500 600 ctb (dbc) frequency (mhz) ctb vs. frequency +85 c +25 c ?40 c - 90 - 85 - 80 - 75 - 70 - 65 - 60 0 100 200 300 400 500 600 cso (dbc) frequency (mhz) cso vs. frequency +85 c +25 c ?40 c - 80 - 75 - 70 - 65 - 60 - 55 - 50 0 100 200 300 400 500 600 xmod (dbc) frequency (mhz) xmod vs. frequency +85 c +25 c ?40 c notes: 1. cin, ctb, cso, xmod test conditions: 79ch. ntsc + qam (6db offset) to 1003.25mhz 13db uptilt from 55.25mhz to 1003.25mhz, 40dbmv/ch at 55.25 mhz and the equivalent of 53 dbmv/ch at 1003.25 mhz
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 6 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com tat8857 a1h - pcb evaluation board layout v cc = 12 v u1 t1 t2 c7 c8 r5 r6 c9 c10 c12 c11 r9 r10 c14 c13 r11 r13 r12 r14 r17 c15 c16 r18 l2 r15 c3 r16 r20 r19 l8 l7 l5 l6 c17 c18 c5 c4 l3 c19 c2 c1 r1 r2 l1 r3 r4 l9 l10 tat8857 a1h - pcb evaluation board v cc = 12 v r9 r7 l9 c11 r5 r3 r4 c9 c7 l10 c10 c8 j1 rf input 1 3 2 4 c12 r6 r8 r10 1 2 3 4 5 6 7 8 c14 r14 r12 c13 r11 r13 u1 tat8857f3 16 15 14 13 12 11 10 9 r15 r16 c3 l2 vgate l7 l8 r20 r19 r18 c16 l6 vbias c18 r17 c15 l5 vbias c17 t2 1 3 2 4 c5 l3 c4 vbias c19 rf output vbias vgate c2 r1 r2 l1 c1 +12v gnd
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 7 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com bill of material C tat8857 a1h - pcb v cc = 12v reference des. value description manuf. part number n/a n/a prin ted circuit board triquint 1077901 u1 n/a tat8857 catv doubler, soic - 16 triquint tat8857 t1 n/a tx line transformer, 3rd winding, 1:1 macom maba- 08483- ct1760 t2 n/a tx line transformer, special, 2:1 macom maba- 007681 - ct2010 mini - circuits trs2 - 1t - 1+ l1 910 nh ind 1008 10% 1400ma coil craft 1008af - 901xklc l2 600 ferrite bead 0603 100ma murata blm18hd601sn1 l3 3.9 nh ind 0603 5% coil craft 0603cs - 3n9xjl l5, l6 560 nh ind 0603 5% 530ma coil craft 0603af - 561xjr l7, l8 11 nh ind 0603 5% 700ma co il craft 0603cs - 11nxjl l9, l10 2.2 nh ind 0603 5% 100 ma coil craft 0603cs - 2n2xjl c1, c2 0.033 uf cap 0603 10% 50v x7r avx 06035c333kaz2a c3 100 pf cap 0603 5% 50v npo/cog avx 06035a101jat2a c4, c5, c7, c8, c11, c12, c17, c18 0.01 uf cap 0603 5% 50v x7r avx 06035c103jat2a c9, c10 3.3 pf cap 0603 0.1pf 50v avx 06035j3r3bbstr c13, c14 2.7 pf cap 0603 0.1pf 200v npo/cog avx 06032u2r7bat2a c15, c16 330 pf cap 0603 5% 50v npo/cog avx 06035a331jat2a c19 0.5 pf cap 0603 0.05pf 50v npo/cog avx 060 35j0r5abstr r1 2.70 k res 0603 1% 1/10w various r2 680 res 0603 1% 1/10w various r3, r4 20.0 res 1206 1% 1/4w various r5, r6 220 res 0603 1% 1/10w various r7, r8 n/a dnp r9, r10 3.09 k res 0603 1% 1/10w various r11, r12, r13, r1 4 6.80 res 0603 1% 1/10w various r15, r16 33.0 res 0603 1% 1/10w various r17, r18 5.10 res 0603 1% 1/10w various r19, r20 909 res 0603 1% 1/10w various
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 8 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com performance plots C tat8857 a1h - pcb v cc = 12 v test conditions unless otherwise noted: v cc =+ 12 v, i dd = 350 ma, t case = +25 c, 75 ? system 0 5 10 15 20 25 30 0 200 400 600 800 1000 1200 gain (db) frequency (mhz) gain vs. frequency temp.=+25 c - 30 - 25 - 20 - 15 - 10 - 5 0 0 200 400 600 800 1000 1200 |s11| (db) frequency (mhz) input return loss vs. frequency temp.=+25 c - 30 - 25 - 20 - 15 - 10 - 5 0 0 200 400 600 800 1000 1200 |s22| (db) frequency (mhz) output return loss vs. frequency temp.=+25 c 0 1 2 3 4 5 6 0 200 400 600 800 1000 nf (db) frequency (mhz) nf vs. frequency temp.=+25 c 60 65 70 75 80 85 0 100 200 300 400 500 600 ctb (dbc) frequency (mhz) ctb vs. frequency 79ch 13db slope noise 30dbm vin 79ch flat noise 44dbm vout temp.=+25 c 60 70 80 90 100 110 0 100 200 300 400 500 600 cso (dbc) frequency (mhz) cso lower temp.=+25 c 79ch 13db slope noise 30dbm vin 79ch flat noise 44dbm vout 60 70 80 90 100 110 0 100 200 300 400 500 600 cso (dbc) frequency (mhz) cso upper 79ch 13db slope noise 30dbm vin 79ch flat noise 44dbm vout temp.=+25 c
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 9 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com detailed device description the tat8857 a1h is similar to other parts offered on the market; it contains two separate amplifiers. a major difference is the tat8857 a1h allows much flexibility to set gain and bias to cover multiple applications without an additional stage. this makes it ideal for green designs. it uses a cost effective high voltage mesfet technology (designed for catv) and a phemt process (developed for high - v olume applications). on - chip linearization is also utilized. bias current adjustment 1 2 1 2 lower b lower a 8857d upper b upper a bias 1a bias 1b lin adj a lin adj b bias 2a bias 2b gate a gate b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 u1 tat8857f3 l7 600 l8 600 r11 r12 r5 8.09k r6 8.09k l1 47 c13 r9 100 c11 0.01u r7 180 l9 82nh c9 82pf c7 .01uf r1 27k l1 47 c14 r10 100 c12 0.01u r8 180 l10 82nh c10 82pf c8 .01uf r2 27k c28 0.7pf c27 0.7pf 5.1 r21 r3 390 l5 15nh r4 390 l6 15nh 5.1 voltage bias ing: 24v and 12v the tat8857 a1h has two amplifiers which can be configured to split a 24 v supply (and share the same current) or both amplifie rs can be biased from a 12v supply and draw current independently. rf output rf input preamp postamp +12 v 12 v biasing rf output rf input preamp postamp +24 v 24 v biasing (bias recycling) bias current is determined by 2 settings: 1. size of dc feedback resistors - decreasing r1 & r2 will increase idd 2. tail resistors - decreasing r21 will increase idd, but lead to wider variations active biasing schemes are possible but not necessary for most applications. best performance is with idd = 350ma
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 10 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com detailed device description (contd.) for 2 4 v operation, select values for the resistor divider network (r18,r19) that will yield the desired gate voltage (vgate). r18 shoul d be restricted to 2.7k ohms or less to prevent gate leakage currents in the output fet from affecting vgate. do not put any capacitance on vgate as this could result in a turn - on over - voltage condition that could damag e the output fet. 2 to 1 balun in gnd out1 out2 pri sec 1 2 3 4 1 2 d upper a bias 2a gate a gate b 11 12 13 14 15 16 1 857f3 r11 18 r12 18 l19 600 l11 470nh c13 0.01uf r20 33 c15 2.2pf l13 27nh r13 1.3k l17 8.2nh 0 c11 0.01u l18 .01uf c2 c22 +24v c24 .033uf c25 .033uf l20 910nh r19 2k r18 2.7k vgate vgate vbias vbias t2 maba-007681 gnd j1 -ct2010 rf out l15 9nh 43 0.5pf 3.9nh c17 r15 l30 evaluati on board pcb information triquint pcb 1077901 material and stack - up 24 v 1 oz. cu bottom layer fr402 r =4.3 typ. 1 oz. cu top layer 0.031 0.005 finished board thickness 3.000" 2.000" triquint pcb 50- 0191 material and stack - up 12 v 1 oz. cu bottom layer fr402 r =4.3 typ. 1 oz. cu top layer 0.062 0.005 finished board thickness 2.960" 1.960"
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 11 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com mechanical information package marking and dimensions notes: 1. all dimensions are in millimeters. angles are in degrees. 2. except where noted, this part 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 terminal numbering conform to jesd 95 - 1 spp -012. pcb mounting pattern 4 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. a heat sink underneath the area of the pcb for the mounted device is strictly required for proper thermal operation. damage to the device can occur without the use of one. 4. vias are required under the backside paddle of this device for proper rf/dc grounding and thermal dissipation. 5. do not remove or minimize via hole structure in the pcb . t hermal and rf grounding is critical. 6. we recommend a 0.35mm (#80/.0135") diameter bi t for drilling via holes and a final plated thru diameter of 0.25 mm (0.10). 7. ensure good package backside paddle solder attach for reliable operation a nd best electrical performance.
TAT8857A1H catv doubler C hybrid rfic data sheet: rev . b 06 / 30 /13 - 12 of 12 - disclaimer: subject to change without notice ? 2013 triquint www.triquint.com product compliance information esd sensitivity ratings cauti on! esd - sensitive device esd rating: class iii value: passes 500 v test: human body model (hbm) standard: jedec standard jesd22 - a114 solderability compatible with both lead - free (260 c max. reflow temperature) and tin/lead (245 c max. reflow temp erature) soldering processes. contact plating: matte tin rohs compliance this part is compliant with eu 2002/95/ec rohs directive (restrictions on the use of certain hazardous substances in electrical and electronic equipment). this product also has th e following attributes: ? halogen free (chlorine, bromine) ? antimony free ? tbbp - a (c 15 h 12 br 4 0 2 ) free ? pfos free ? svhc free msl rating msl rating : level 3 test: 260c convection 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@ triquint .com fax: +1.503.615.8902 for technical questions and application information: email: sjcapplications.engineering@t riquint .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 for any of the information contained herein. triquint assume s 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 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 anything described by such information. triquint products are not warranted or aut horized 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 or death.

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