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04/2008 s3 package modifed 16 pin soic aba3115 870 mhz balanced low noise linear amplifer data sheet - rev 2.0 figure 1: block diagram featu res ? 15 db gain ? +5 v nominal supply voltage ? high linearity ? low noise figure: 2.7 db (typ.) ? characterized at +25 dbmv output power ? wide band operation to 870 mhz ? shutdown mode ? -40 to +85 o c ? rohs-compliant package applica tions ? driver amplifer ? catv - distribution / drop amplifers ? set top boxes ? home gateway product description the aba3115 is a monolithic ic intended for use in applications requiring high linearity, such as cellular telephone base station driver amplifers, catv fiber receiver and distribution amplifers, catv drop amplifers, catv set top boxes and home gateways. offered in a modifed 16 lead surface mount soic package that is rohs-compliant, it is well suited for use in amplifers where small size, reduced component count, and high reliability are important. the aba3115 incorporates a shutdown feature under logic control whereby power consumption is reduced to 15 mw with a +5 v supply. 15 db 15 db rf in rf in rf ou t rf ou t
2 aba3115 data sheet - rev 2.0 04/2008 t able 1: pin description figure 2: pin out 1 2 fb1 v lc gnd rf in2 i adj rf out1 /v dd1 gnd gnd gnd gnd 8 7 6 5 4 3 16 15 9 10 11 12 13 14 fb2 rf in2 rf in1 rf in1 gnd rf out2 /v dd2 pin name description pin name description 1 fb1 feedback for amplifier a1 9 i adj current adjust 2 rf in1 rf input of amplifier a1 10 gnd ground 3 rf in1 rfinput of amplifier a1 11 rf out2 /v dd2 rf output and vdd of amplifier a2 4 gnd ground 12 gnd ground 5 gnd ground 13 gnd ground 6 rf in2 rf input of amplifier a2 14 rf out1 /v dd1 rf output and vdd of amplifier a1 7 rf in2 rf input of amplifier a2 15 gnd ground 8 fb2 feedback for amplifier a2 16 v lc shutdown logic control
3 aba3115 data sheet - rev 2.0 04/2008 t able 2: absolute minimum and maximum ratings elect rical characteristics stresses in excess of the absolute ratings may cause permanent damage. functional operation is not implied under these conditions. exposure to absolute ratings for extended periods of time may adversely affect reliability. notes: 1. pins 1, 2, 3, 6, 7 and 8 should be ac-coupled. no external dc bias should be applied. 2. pin 9 should be ac-grounded. no external dc bias should be applied. t able 3: operating ranges t he device may be operated safely over these conditions; however, parametric performance is guaranteed only over the conditions defned in the electrical specifcations. min unit analog supply (pins 11, 14) 0 +12 v dc shutdown logic control (pin 16) 0 +6 v dc rf power at inputs (pins 2, 3, 6, 7) - +10 dbm storage temperature -65 +150 o c soldering temperature - 260 o c soldering time - 5 sec parameter min unit rf input / output frequency 50 - 870 mhz analog supply: v dd (pins 11, 14) +4.5 +5 +9 v dc shutdown logic control: v lc (pin 16) 0 - +6 v case temperature: t a -40 - +85 o c
4 aba3115 data sheet - rev 2.0 04/2008 notes: (1) 132 channels, +25 dbmv per channel (measured at the output), 6 mhz channel spacing (2) two tones: 397 mhz and 403 mhz, +4 dbm per tone (3) characterized with i adj pin foating. (4) adding a shunt resistor from the i adj pin to ground will lower current but with some decrease in performance. t able 4: electrical specifcations a = +25 c, v d d = + 5 vdc, v l c = +5 v, t est system = 75 ? min unit comments gain 14 15 17 db noise figure - - - 2.5 2.7 3.2 3.0 3.5 4.0 db 50 - 350 mhz 350 - 550 mhz 0+ input / output return loss 10 18 - db cso (1) - -72 -70 dbc ctb (1) - -75 -73 dbc 2nd order output intercept point (oip2) (2) - - dbm 3rd order output intercept point (oip3) (2) - +35 - dbm thermal resistance - - 33 o c/w current consumption (3)(4) 120 - 150 3 170 - ma v lc = +5 v v lc = 0 v t able 5: shutdown logic control state t able vlc amplifier amplifier bias current power up +5 v on 150 ma shutdown 0 v off 3 ma
5 aba3115 data sheet - rev 2.0 04/2008 figure 3: t ypical gain (s21) vs. frequency figure 4: t ypical input and output return loss (s11 and s22) vs. frequency performance da t a -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 5 01 00 200 300 400 500 600 700 800 900 100 0 frequenc y return loss (db s1 1 s2 2 12 12.5 13 13.5 14 14.5 15 15.5 16 16.5 17 0 100 200 30 04 00 500 600 700 800 900 1000 frequenc y gain (db
6 aba3115 data sheet - rev 2.0 04/2008 figure 5: t ypical isolation (s12) vs. frequency figure 6: t ypical noise figure vs. frequency 0 0. 5 1 1. 5 2 2. 5 3 0 200 40 0 6 00 800 1000 frequenc y noise figure (db -5 0 -4 5 -4 0 -3 5 -3 0 -2 5 -2 0 -1 5 -1 0 -5 0 0 100 20 03 00 400 50 06 00 700 800 90 01 00 0 frequenc y isolation (db
7 aba3115 data sheet - rev 2.0 04/2008 figure 7: evaluation board layout applica tion informa tion figure 8: evaluation board schematic c11 c6 l1 c8 c9 l2 c7 c1 c2 aba3115 2 1 5 1 10 12 13 11 9 16 14 8 7 6 5 4 3 rf in1 gnd v lc i adj fb2 rf in2 rf out1 rf in1 gnd gnd rf in2 rf out2 gnd gnd gnd fb1 +5 vdc (vdd) +5 vdc (vdd) c10 rf out t2 c5 i adj c4 c3 rf in t1 not installed * balun wires not crossed note: *connecting a resistor from i adj to ground lowers current; normal operation is with i adj foating. jumper wire
8 aba3115 data sheet - rev 2.0 04/2008 t able 6: evaluation board parts list notes: 1. n connector center pin should be approximately 80 mils in length. 2. connector tabs must be reduced by 150 mils. 3. device must be soldered on pc board. item description vendor vendor part number c1-c4, c6, c9, c11 0.01uf chip cap. 7 murata grm39x7r1103k25v c7, c8 470 pf chip cap. 2 murata grm39cog471j25v c10 47 uf elec. cap. 1 digi-key corp p5275-nd c5 (not installed) l1, l2 390 nh chip inductor 2 coilcraft 1008cs-391xkbc connectors (1) 75 ? n male panel mount 2 pasternack enterprises pe4504 t1, t2 (2) (balun) ferrite core 2 fa ir-rite 2843002702 wire mws wire ind. t-2361429-20 pcb 1 stand. printed c irc uits inc . ebsta-111899 figure 9:balun drawing
9 aba3115 data sheet - rev 2.0 04/2008 figure 9: s3 package outline - modifed 16 pin soic package ou tline
10 aba3115 data sheet - rev 2.0 04/2008 notes
import ant notice anadigics, inc. reserves the right to make changes to its products or to discontinue any product at any time without notice. the product specifcations contained in advanced product information sheets and preliminary data sheets are subject to change prior to a products formal introduction. information in data sheets have been carefully checked and are assumed to be reliable; however, anadigics assumes no responsibilities for inaccuracies. anadigics strongly urges customers to verify that the information they are using is current before placing orders. warning anadigics products are not intended for use in life support appliances, devices, or systems. use of an anadigics product in any such application without written consent is prohibited. anadigics, inc. 141 mount bethel road warren, new jersey 07059, u.s.a tel: +1 (908) 668-5000 fax: +1 (908) 668-5132 http://www.anadigics.com mktg@anadigics.com data sheet - rev 2.0 04/2008 aba3115 11 ordering informa tion order number range package description component packaging ABA3115RS3P1 -40 to +85 c rohs-compliant modified 16 pin soic 3,500 piece tape and reel aba3115rs3p0 -40 to +85 c rohs-compliant modified 16 pin soic plastic tubes (50 pieces per tube)

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