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- 1 - NJG1684ME2 ver.2012-12-14 note: please note that any information on this cata log will be subject to change. high power sp4t switch gaas mmic general description package outline the NJG1684ME2 is a gaas sp4t switch mmic suitable for lte/umts/cdma/gsm applications. the NJG1684ME2 features very low insertion loss, hi gh isolation and excellent linearity performance down to 1.8v co ntrol voltage at high frequency up to 2.7ghz. in addition, this swit ch is able to handle high power signals. the NJG1684ME2 has esd protection devices to achiev e excellent esd performances. no dc blocking capacitors are req uired for all rf ports unless dc is biased externally . and the ultra small & ultra thin eqfn12-e2 package is adopted. features low voltage logic control v ctl(h) =1.8v typ. low voltage operation v dd =2.7v typ. low distortion iip3=+70dbm typ. @f=829+849mhz, p in =+24dbm iip3=+69dbm typ. @f=1870+1910mhz, p in =+24dbm 2nd harmonics=-80dbc typ. @f=0.9ghz, p in =+35dbm 3rd harmonics=-77dbc typ. @f=0.9ghz, p in =+35dbm p -0.1db +36dbm min. low insertion loss 0.25db typ. @f=0.9ghz, p in =+35dbm, v dd =2.7v 0.30db typ. @f=1.9ghz, p in =+33dbm, v dd =2.7v 0.35db typ. @f=2.7ghz, p in =+27dbm, v dd =2.7v ultra small & ultra thin package eqfn12-e2 (packag e size: 1.8 x 1.8 x 0.397mm) rohs compliant and halogen free, msl 1 pin configuration truth table h=v ctl(h) , l=v ctl(l) vctl1 vctl2 path l l pc-p1 h l pc-p2 l h pc-p3 h h pc-p4 NJG1684ME2 pin connection 1. p1 7. gnd 2. p2 8. p4 3. gnd 9. p3 4. vdd 10. gnd 5. vctl2 11. pc 6. vctl1 12. gnd (top view) 10 11 4 3 2 5 12 1 6 7 8 9 decoder vctl2 vdd vctl1 gnd p2 p1 gnd pc gnd p3 p4 gnd
NJG1684ME2 - 2 - absolute maximum ratings t a =+25c, z s =z l =50ohm parameter symbol conditions ratings units rf input power p in v dd =2.7v, v ctl =0/1.8v +37 dbm supply voltage v dd vdd terminal 5.0 v control voltage v ctl vctl1, vctl2 terminal 5.0 v power dissipation p d four-layer fr4 pcb with through-hole (74.2x74.2mm), tj=150c 1200 mw operating temp. t opr -40~+85 c storage temp. t stg -55~+150 c electrical characteristics 1 (dc) (general conditions: t a =+25c, z s =z l =50ohm, v dd =2.7v, v ctl(h) =1.8v, v ctl(l) =0v, with application circuit) parameters symbol conditions min typ max units supply voltage v dd vdd terminal 2.375 2.7 5.0 v operating current i dd no rf input - 180 400 a control voltage (low) v ctl(l) vctl1, vctl2 terminal 0 - 0.45 v control voltage (high) v ctl(h) vctl1, vctl2 terminal 1.35 1.8 5.0 v control current i ctl v ctl(h) =1.8v - 4 10 a
- 3 - NJG1684ME2 electrical characteristics 2 (rf) (general conditions: t a =+25c, z s =z l =50ohm, v dd =2.7v, v ctl(h) =1.8v, v ctl(l) =0v, with application circuit) parameters symbol conditions min typ max units insertion loss 1 loss1 f=0.9ghz, p in =+35dbm - 0.25 0.40 db insertion loss 2 loss2 f=1.9ghz, p in =+33dbm - 0.30 0.45 db insertion loss 3 loss3 f=2.7ghz, p in =+27dbm - 0.35 0.50 db isolation 1 isl1 f=0.9ghz, p in =+35dbm 30 37 - db isolation 2 isl2 f=1.9ghz, p in =+33dbm 25 29 - db isolation 3 isl3 f=2.7ghz, p in =+27dbm 22 25 - db input power at 0.1db compression point p -0.1db f=0.9ghz, 1.9ghz, 2.7ghz +36 - - dbm 2nd harmonics 1 2fo(1) f=0.9ghz, p in =+35dbm - -80 -70 dbc 2nd harmonics 2 2fo(2) f=1.9ghz, p in =+33dbm - -80 -70 dbc 2nd harmonics 3 2fo(3) f=2.7ghz, p in =+27dbm - -90 -70 dbc 3rd harmonics 1 3fo(1) f=0.9ghz, p in =+35dbm - -77 -70 dbc 3rd harmonics 2 3fo(2) f=1.9ghz, p in =+33dbm - -77 -70 dbc 3rd harmonics 3 3fo(3) f=2.7ghz, p in =+27dbm - -90 -70 dbc input 3 rd order intercept point1 iip3(1) f=829+849mhz, p in =+24dbm each *1 +65 +70 - dbm input 3 rd order intercept point2 iip3(2) f=1870+1910mhz, p in =+24dbm each *1 +63 +69 - dbm vswr vswr on-state ports, f=2.7ghz - 1.2 1.4 switching time t sw 50% v ctl to 10/90% rf - 1.0 5.0 s *1: iip3 are defined by the following equations. iip3=(3 x pout-im3)/2+loss
NJG1684ME2 - 4 - terminal information no. symbol description 1 p1 rf transmitting/receiving port. 2 p2 rf transmitting/receiving port. 3 gnd ground terminal. please connect this terminal with ground plane as close as possible for excellent rf performance. 4 vdd positive voltage supply terminal. the positive volt age (+2.375~+5v) has to be supplied. please connect a bypass capacitor with gnd terminal for excellent rf performance. 5 vctl2 control signal input terminal. this terminal is set to high-level (+1.35~+5.0v) or low-level (0~+0.45v). 6 vctl1 control signal input terminal. this terminal is set to high-level (+1.35~+5.0v) or low-level (0~+0.45v). 7 gnd ground terminal. please connect this terminal with ground plane as close as possible for excellent rf performance. 8 p4 rf transmitting/receiving port. 9 p3 rf transmitting/receiving port. 10 gnd ground terminal. please connect this terminal with ground plane as close as possible for excellent rf performance. 11 pc rf transmitting/receiving port. please connect an i nductor with gnd terminal for esd protection. 12 gnd ground terminal. please connect this terminal with ground plane as close as possible for excellent rf performance.
- 5 - NJG1684ME2 electrical characteristics (with application circuit, loss of external circuit are excluded) insertion loss (db) isolation (db) frequency (ghz) loss, isl vs frequency (pc-p1 on, v dd =2.7v) -2.4 -2.2 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p1 loss pc-p2 isl pc-p3 isl pc-p4 isl (pc-p3 on, v dd =2.7v) loss, isl vs frequency frequency (ghz) isolation (db) insertion loss (db) -2.4 -2.2 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p3 loss pc-p1 isl pc-p2 isl pc-p4 isl -2.4 -2.2 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p4 loss pc-p1 isl pc-p2 isl pc-p3 isl insertion loss (db) isolation (db) frequency (ghz) loss, isl vs frequency (pc-p4 on, v dd =2.7v) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p1 on pc-p2 on pc-p3 on pc-p4 on vswr :pc port frequency (ghz) vswr vs frequency (v dd =2.7v) voltage (arb. unit) time (1us/div) vctl1 p1 (pc-p1/p2, v dd =2.7v, vctl1=0/1.8v, vctl2=0v) switching time 0.60us 0.96 s (pc-p2 on, v dd =2.7v) loss, isl vs frequency frequency (ghz) isolation (db) insertion loss (db) -2.4 -2.2 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p2 loss pc-p1 isl pc-p3 isl pc-p4 isl
NJG1684ME2 - 6 - electrical characteristics (with application circuit, loss of external circuit are excluded) 20 22 24 26 28 30 32 34 36 38 0 50 100 150 200 250 300 350 400 450 20 22 24 26 28 30 32 34 36 38 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v output power (dbm) operation current i dd ( a) input power (dbm) output power, i dd vs input power (p1-pc on, f=0.9ghz) -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 20 22 24 26 28 30 32 34 36 38 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v insertion loss (db) pc-p2 isolation (db) input power (dbm) loss, isl vs input power (p1-pc on, f=0.9ghz) (p1-pc on, f=1.9ghz) output power, i dd vs input power input power (dbm) operation current i dd ( a) output power (dbm) 20 22 24 26 28 30 32 34 36 38 0 50 100 150 200 250 300 350 400 450 20 22 24 26 28 30 32 34 36 38 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v (p1-pc on, f=1.9ghz) loss, isl vs input power input power (dbm) pc-p2 isolation (db) insertion loss (db) -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 20 22 24 26 28 30 32 34 36 38 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v 20 22 24 26 28 30 32 34 36 38 0 50 100 150 200 250 300 350 400 450 20 22 24 26 28 30 32 34 36 38 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v (p1-pc on, f=2.7ghz) output power, i dd vs input power input power (dbm) operation current i dd ( a) output power (dbm) -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 20 22 24 26 28 30 32 34 36 38 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v (p1-pc on, f=2.7ghz) loss, isl vs input power input power (dbm) pc-p2 isolation (db) insertion loss (db)
- 7 - NJG1684ME2 electrical characteristics (with application circuit, loss of external circuit are excluded) -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 -50 0 50 100 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v insertion loss (db) pc-p2 isolation (db) ambient temperature ( o c) (f=0.9ghz, p in =35dbm, pc-p1 on) loss, isl vs temperature -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 -50 0 50 100 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v insertion loss (db) pc-p2 isolation (db) ambient temperature ( o c) (f=1.9ghz, p in =33dbm, pc-p1 on) loss, isl vs temperature -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 -50 0 50 100 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v insertion loss (db) pc-p2 isolation (db) ambient temperature ( o c) (f=2.7ghz, p in =27dbm, pc-p1 on) loss, isl vs temperature 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 -50 0 50 100 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v vswr:pc port ambient temperature ( o c) (f=2.7ghz, p1-pc on) vswr vs temperature 0 50 100 150 200 250 300 0 2 4 6 8 10 12 -50 0 50 100 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v i ctl control current i ctl ( a) operationg current i dd ( a) ambient temperature ( o c) (p2-pc on, v ctl(h) =1.8v, no rf signal input) i dd , i ctl vs temperature 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -50 0 50 100 v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v v dd =2.375v v dd =2.5v v dd =2.7v v dd =3.5v v dd =5.0v switching time ( s) ambient temperature ( o c) (pc-p1, vctl1=h/l, vctl2=l) switching time vs temperature rise fall
NJG1684ME2 - 8 - application circuit (top view) 10 11 4 3 2 5 12 1 6 7 8 9 decoder pc p1 p2 p3 p4 vctl1 vctl2 c1 v dd c1 l1 precautions [1] the inductor l1 is required for enhancing esd p rotection level. [2] all rf terminals are biased dc gnd level. [3] no dc block capacitors are required for rf port s unless dc is biased externally. parts list no. parameters note c1 1000pf murata (grm15) l1 68nh taiyo-yuden (hk1005)
- 9 - NJG1684ME2 pcb layout (top view) (top veiw) precautions [1] no dc block capacitors are required for rf port s unless dc is biased externally. when the other device is biased at certain voltage and connected to the NJG1684ME2, a dc block capacitor is required between the device and the switch ic. this is because the each rf port of nj g1684me2 is biased at 0 v (gnd). [2] for good rf performance, all gnd terminals must be connected to pcb ground plane of substrate, and via-holes for gnd should be placed near the ic. [3] for good rf performance, through-holes for gnd should be placed close to the gnd pin 6 and pin 13. one of the ways to do this is to place a via-hole a t the tab pad under this ic. p2 p1 p4 p3 pc vdd vctl2 vctl1 gnd gnd 1pin mark c1 pcb: fr-4, t=0.2mm capacitor size: 1005 strip line width: 0.4mm pcb size: 26 x 26mm gnd via hole diameter : = 0.2mm pkg terminal pcb pkg outline
NJG1684ME2 - 10 - recommended footprint pattern (eqfn12-e2 package reference) pkg : 1.8mm x 1.8mm pin pitch : 0.4mm : land : mask (open area) *metal mask thickness : 100um : resist(open area) detail a
- 11 - NJG1684ME2 package outline (eqfn12-e2) caution s on using this product this product contains gallium-arsenide (gaas) wh ich is a harmful material. ? do not eat or put into mouth. ? do not dispose in fire or break up this product. ? do not chemically make gas or powder with this pro duct. ? to wast e th is product, please obey the relati ng law of your country. this product may be damaged with electric static di scharge (esd) or spike voltage. please handle with care to avoid these damages . [caution] the specifications on this databook are only given for information, without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. terminal treat : snbi board : copper molding material : epoxy resin weight : 3.7mg unit : mm

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