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- 1 - NJG1683ME7 ver.2013-04-09 high isolation x-sp3t (dp6t) switch general description package outline the NJG1683ME7 is a gaas x (cross) - sp3t (dp6t) switch mmic for switching of balanced (differential) triple band filters, upper pin compatible for njg1655me7. it features low insertion loss and very high isolation for balanced signal input which makes it much suited for balanced filter switching. the esd protection circuits are integrated in the ic to achieve high esd tolerance. the ultra-small and ultra-thin eqfn18-e7 package is adopted. *) the x-sp3t is a paired sp3t switch that features two identical sp3t switches being integrated into one chip. the two sp3t switches are controlled synchronously, and the ir respective rf lines cross each other on the chip . applications switching of balanced type filters (triple band) application suitable for 3g and lte application features low operation voltage v dd =1.5~4.5v low control voltage v ctl(h) =1.8v typ. high isolation 55db typ. @f=1.0ghz, p in =0dbm (balanced mode) 47db typ. @f=2.0ghz, p in =0dbm 45db typ. @f=2.7ghz, p in =0dbm low insertion loss 0.35db typ. @f=1.0ghz, p in =0dbm 0.45db typ. @f=2.0ghz, p in =0dbm 0.60db typ. @f=2.7ghz, p in =0dbm small package eqfn18-e7 (package size: 2.0mm x 2.0 mm x 0.397mm typ.) rohs compliant and halogen free msl1 pin configuration truth table h=v ctl(h), l=v ctl(l) on path vctl1 vctl2 pca-p1a pcb-p1b h l pca-p2a pcb-p2b l l pca-p3a pcb-p3b l h pin connection 1. gnd 10. gnd 2. nc(gnd) 11. pcb 3. p2a 12. pca 4. p2b 13. vdd 5. gnd 14. gnd 6. p1b 15. vctl2 7. p1a 16. vctl1 8. gnd 17. p3b 9. nc(gnd) 18. p3a note: the information on this datasheet is subject to change without notice. (top view) NJG1683ME7 1 3 decoder 2 5 6 7 8 10 12 13 14 18 17 16 9 15 4 11
n jg1683me 7 - 2 - absolute maximum ratings (t a =+25c, z s =z l =50 ) parameter symbol conditions ratings units rf input power p in v dd =2.7v, v ctl =0v/1.8v 28 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 (101.5x114.5mm), t j =150c 1400 mw operating temp. t opr -40~+90 c storage temp. t stg -55~+150 c
- 3 - NJG1683ME7 electrical characteristics (general conditions: t a =+25c, z s =z l =50 , v dd =2.7v, v ctl(l) =0v, v ctl(h) =1.8v, with application circuit) parameters symbol conditions min typ max units supply voltage v dd 1.5 2.7 4.5 v operating current i dd - 20 40 a control voltage (low) v ctl(l) 0 - 0.45 v control voltage (high) v ctl(h) 1.35 1.8 4.5 v control current i ctl - 2 8 a insertion loss 1 loss1 f=1.0ghz, p in =0dbm - 0.35 0.55 db insertion loss 2 loss2 f=2.0ghz, p in =0dbm - 0.45 0.70 db insertion loss 3 loss3 f=2.7ghz, p in =0dbm - 0.60 0.85 db balanced mode isolation 1 (note1) b-isl1 f=1.0ghz, p in =0dbm pc-p1,p2,p3 50 55 - db balanced mode isolation 2 (note1) b-isl2 f=2.0ghz, p in =0dbm pc-p1,p2,p3 42 47 - db balanced mode isolation 3 (note1) b-isl3 f=2.7ghz, p in =0dbm pc-p1,p2,p3 40 45 - db f=1.0ghz, p in =0dbm pca-p1a,p2a,p3a, isolation 1 isl1 pcb-p1b,p2b,p3b 28 31 - db f=2.0ghz, p in =0dbm pca-p1a,p2a,p3a, isolation 2 isl2 pcb-p1b,p2b,p3b 22 25 - db f=2.7ghz, p in =0dbm pca-p1a,p2a,p3a, isolation 3 isl3 pcb-p1b,p2b,p3b 18 21 - db isolation 4 isl4 f=2.0ghz, p in =0dbm, pca-pcb 15 18 db input power at 0.2db compression point p -0.2db f=2.0ghz 19 23 - dbm vswr vswr f=2.0ghz, on state - 1.2 1.5 switching time tsw 50% v ctl to 10%/90% rf - 2 5 s note1: in application circuit, calculation of balanced mode isolation uses following f ormula. ( ) 43 41 23 21 2 1 isl b s s s s + ? ? = ? dut port1 port3 port2 port4 pca pcb pna pnb (n:1~3)
n jg1683me 7 - 4 - terminal information no. symbol description 1, 5, 8 10, 14, gnd ground terminal. connect to the pcb ground plane. 2, 9 nc(gnd) no connected terminal. this terminal is not connected with internal circui t. connect to the pcb ground plane. 3 p2a the 2nd rf port of the 1st switch. this port is connected with pca por t. pcb port is connected with p2b port at the same time. an external capacitor is required to block dc voltage. 4 p2b the 2nd rf port of the 2nd switch. this port is connected with pcb port. pca port is connected with p2a port at the same time. an external capacito r is required to block dc voltage. 6 p1b the 1st rf port of the 2nd switch. this port is connected with pcb port. pca port is connected with p1a port at the same time. an external capacito r is required to block dc voltage. 7 p1a the 1st rf port of the 1st switch. this port is connected with p ca port. pcb port is connected with p1b port at the same time. an external capacitor is required to block dc voltage. 11 pcb common rf port of the 2nd switch. this port is connected with either of p1b, p2b, and p3b port. an external capacitor is required to block dc voltage. 12 pca common rf port of the 1st switch. this port is connected with either o f p1a, p2a, and p3a port. an external capacitor is required to block d c voltage. 13 vdd positive voltage supply terminal. the positive voltage (+1.5~+4.5v) should be supplied. please connect a bypass capacitor with gnd terminal for best rf performance. 15 vctl2 control signal input terminal. this terminal is set to high-level (+1.35v~4.5v) or low-level (0~+0.45v). 16 vctl1 control signal input terminal. this terminal is set to high-level (+1.35v~4.5v) or low-level (0~+0.45v). 17 p3b the 3rd rf port of the 2nd switch. this port is connected with pcb por t. pca port is connected with p3a port at the same time. an external capacito r is required to block dc voltage. 18 p3a the 3rd rf port of the 1st switch. this port is connected with pca port. pcb port is connected with p3b port at the same time. an external capacitor is required to block dc voltage.
- 5 - NJG1683ME7 electrical characteristics (with application circuit, loss of external circuit are excluded) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pca-p1a pcb-p1b insertion loss (db) frequency (ghz) insertion loss vs. frequency ( pc-p1 on, v dd =2.7v, v ctl1 =1.8v, v ctl2 =0v ) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pca-p2a pcb-p2b insertion loss (db) frequency (ghz) insertion loss vs. frequency ( pc-p2 on, v dd =2.7v, v ctl1 =0v, v ctl2 =0v ) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pca-p3a pcb-p3b insertion loss (db) frequency (ghz) insertion loss vs. frequency ( pc-p3 on, v dd =2.7v, v ctl1 =0v, v ctl2 =1.8v ) 1.0 1.5 2.0 2.5 3.0 0.5 1.0 1.5 2.0 2.5 3.0 pca pcb p1a p1b vswr frequency (ghz) vswr vs. frequency ( pc-p1 on, v dd =2.7v, v ctl1 =1.8v, v ctl2 =0v ) 1.0 1.5 2.0 2.5 3.0 0.5 1.0 1.5 2.0 2.5 3.0 pca pcb p2a p2b vswr frequency (ghz) vswr vs. frequency ( pc-p2 on, v dd =2.7v, v ctl1 =0v, v ctl2 =0v ) 1.0 1.5 2.0 2.5 3.0 0.5 1.0 1.5 2.0 2.5 3.0 pca pcb p3a p3b vswr frequency (ghz) vswr vs. frequency ( pc-p3 on, v dd =2.7v, v ctl1 =0v, v ctl2 =1.8v )
n jg1683me 7 - 6 - electrical characteristics (with application circuit, loss of external circuit are excluded) -80 -70 -60 -50 -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p2 pc-p3 balanced mode isolation (db) frequency (ghz) balanced mode isolation vs. frequency ( pc-p1 on, v dd =2.7v, v ctl1 =1.8v, v ctl2 =0v ) -80 -70 -60 -50 -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p1 pc-p3 balanced mode isolation (db) frequency (ghz) balanced mode isolation vs. frequency ( pc-p2 on, v dd =2.7v, v ctl1 =0v, v ctl2 =0v ) -80 -70 -60 -50 -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pc-p1 pc-p2 balanced mode isolation (db) frequency (ghz) balanced mode isolation vs. frequency ( pc-p3 on, v dd =2.7v, v ctl1 =0v, v ctl2 =1.8v ) -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pca-p2a pcb-p2b pca-p3a pcb-p3b pca-pcb isolation (db) frequency (ghz) isolation vs. frequency ( pc-p1 on, v dd =2.7v, v ctl1 =1.8v, v ctl2 =0v ) -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pca-p1a pcb-p1b pca-p3a pcb-p3b pca-pcb isolation (db) frequency (ghz) isolation vs. frequency ( pc-p2 on, v dd =2.7v, v ctl1 =0v, v ctl2 =0v ) -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pca-p1a pcb-p1b pca-p2a pcb-p2b pca-pcb isolation (db) frequency (ghz) isolation vs. frequency ( pc-p3 on, v dd =2.7v, v ctl1 =0v, v ctl2 =1.8v )
- 7 - NJG1683ME7 electrical characteristics (with application circuit, loss of external circuit are excluded) -2.0 -1.5 -1.0 -0.5 0.0 10 12 14 16 18 20 22 24 26 pca-p1a pcb-p1b pca-p2a pcb-p2b pca-p3a pcb-p3b insertion loss (db) input power (dbm) insertion loss vs. input power ( f=2ghz, v dd =2.7v ) -2.0 -1.5 -1.0 -0.5 0.0 10 15 20 25 30 v dd =1.5v v dd =2v v dd =2.7v v dd =3.5v v dd =4.5v insertion loss (db) input power (dbm) insertion loss vs. input power ( f=2ghz, pca-p1a on, v ctl =1.8v ) 10 15 20 25 30 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 p -0.2db (dbm) v ctl1 (v) p -0.2db vs. v ctl ( f=2ghz, v dd =2.7v, v ctl2 =0v ) pca-p1a voltage (arb. unit) time ( 2 sec/div ) switching time ( v dd =2.7v, v ctl2 =0v ) pca-p1a v ctl1 1.61 s
n jg1683me 7 - 8 - electrical characteristics (with application circuit, loss of external circuit are excluded) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 0 50 100 pca-p1a pcb-p1b insertion loss (db) ambient temperature ( o c) insertion loss vs. ambient temperature ( v dd =2.7v, f=1.0ghz, v ctl1 =1.8v, v ctl2 =0v ) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 0 50 100 pca-p1a pcb-p1b insertion loss (db) ambient temperature ( o c) insertion loss vs. ambient temperature ( v dd =2.7v, f=2.0ghz, v ctl1 =1.8v, v ctl2 =0v ) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 0 50 100 pca-p1a pcb-p1b insertion loss (db) ambient temperature ( o c) insertion loss vs. ambient temperature ( v dd =2.7v, f=2.7ghz, v ctl1 =1.8v, v ctl2 =0v ) 1.0 1.5 2.0 2.5 3.0 -50 0 50 100 pca pcb p1a p1b vswr ambient temperature ( o c) vswr vs. ambient temperature ( v dd =2.7v, f=2.0ghz, v ctl1 =1.8v, v ctl2 =0v ) -70 -60 -50 -40 -30 -20 -10 0 -50 0 50 100 pc-p2 on pc-p3 on pc-p1 balanced mode isolation (db) ambient temperature ( o c) balanced mode isolation vs. ambient temperature ( v dd =2.7v, f=1.0ghz ) -70 -60 -50 -40 -30 -20 -10 0 -50 0 50 100 pc-p2 on pc-p3 on pc-p1 balanced mode isolation (db) ambient temperature ( o c) balanced mode isolation vs. ambient temperature ( v dd =2.7v, f=2.0ghz )
- 9 - NJG1683ME7 electrical characteristics (with application circuit, loss of external circuit are excluded) -70 -60 -50 -40 -30 -20 -10 0 -50 0 50 100 pc-p2 on pc-p3 on pc-p1 balanced mode isolation (db) ambient temperature ( o c) balanced mode isolation vs. ambient temperature ( v dd =2.7v, f=2.7ghz ) -28 -24 -20 -16 -12 -50 0 50 100 pca-p2a pca-p3a pca-pcb isolation (db) ambient temperature ( o c) isolation vs. ambient temperature ( v dd =2.7v, f=2.0ghz, v ctl1 =1.8v, v ctl2 =0v ) 14 16 18 20 22 24 26 28 v dd =1.5v v dd =2.0v v dd =2.7v v dd =3.5v -50 0 50 100 p -0.2db (dbm) ambient temperature ( o c) p -0.2db vs. ambient temperature ( f=2.0ghz, pca-p1a, v ctl1 =1.8v, v ctl2 =0v ) 0.0 2.0 4.0 6.0 8.0 10.0 -50 0 50 100 v dd =1.5v v dd =2.7v v dd =3.5v v dd =4.5v switching time ( s) ambient temperature ( o c) switching time vs. ambient temperature ( f=2.0ghz, pc-p1 on ) pca-p1a 0 5 10 15 20 25 30 35 40 -50 0 50 100 v dd =1.5v v dd =2.0v v dd =2.7v v dd =3.5v v dd =4.5v operating current i dd ( a) ambient temperature ( o c) i dd vs. ambient temperature ( pc-p1 on ) 0 5 10 15 20 25 30 -50 0 50 100 v ctl =1.35v v ctl =1.8v v ctl =2.7v v ctl =3.5v v ctl =4.5v control current i ctl ( a) ambient temperature ( o c) i ctl vs. ambient temperature
n jg1683me 7 - 10 - application circuit (top view) parts list part id value notes c1~c8 56pf c9 1000pf murata (grm15) 1 3 p2a p1b ctl1 ctl2 decoder 2 5 6 7 8 10 12 13 14 18 17 16 9 vdd 15 4 p2b 11 p1a pcb pca p3a p3b 56pf 56pf 56pf 56pf 56pf 56pf 56pf 56pf 2.7v 1000pf 0/1.8v 0/1.8v c1 c2 c3 c4 c5 c6 c9 c7 c8
- 11 - NJG1683ME7 test pcb layout (top view) losses of pcb, capacitors and connectors precautions [1] the dc current at rf ports must be equal to zer o, which can be achieved with dc blocking capacitor s (c1~c8). (however, in case there is no possibility that dc c urrent flows, the dc blocking capacitors are unnece ssary, e.g. the rf signals are fed by saw filters that block dc current by nature, etc.) [2] to reduce stripline influence on rf characteris tics, please locate the bypass capacitor (c9) close to vdd terminal. [3] for good isolation, the gnd terminals must be c onnected to the pcb ground plane of substrate, and the through-holes connecting the backside ground plane should be placed near by the pin connection. frequency (ghz) loss (db) 1.0 0.33 2.0 0.57 2.7 0.71 pcb: fr-4, t=0.2mm capacitor size: 1005 strip line width: 0.4mm pcb size: 26 x 26mm p3b vdd vctl2 vctl1 c6 c5 c4 c2 c1 c8 c7 pca pcb p1a p1b p2b p2a p3a c9 c3 9 10 11 12 13 14 8 7 6 5 4 3 2 1 16 17 18 15 pcb pattern through-hole (radius: 0.10mm) pin note2: the ground plane and the through- holes under tab, as shown in the picture, are not necessities. there is no pr oblem in deleting them in the practical pcb design, though in such ca se beware that the gnd terminals (pin 1, 2, 8, 9 and 10 as for this particular design shown in the picture) still need through- holes being located in their vicinities.
n jg1683me 7 - 12 - recommended footprint pattern (eqfn18-e7 package reference) pkg : 2.0mm x 2.0mm pin pitch : 0.4mm : land : mask (open area) *metal mask thickness: 100um : resist (open area) detail a
- 13 - NJG1683ME7 package outline (eqfn18-e7) 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 hand le 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 :5.0mg unit :mm

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