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- 1 - NJG1690MD7 ver.2012-03-15 note: please note that any information on this cata log will be subject to change. high isolation x-spdt (dp4t) switch gaas mmic general description package outline the NJG1690MD7 is a gaas x (cross)-spdt(dp4t) switc h mmic for switching of balanced (differential) dual band filters. 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 circuit are integrated in the ic to achieve high esd tolerance. the ultra-small and ultra-thin eqfn14-d7 package is adopted. *) x-spdt is a paired spdt switch controlled synchr onously. the x-spdt includes two spdt switches whose rf lines have a cr ossing inside the chip. features low operation voltage v dd =1.5~4.5v low control voltage v ctl(h) =1.8v typ. high isolation 37db typ. @f=2.7ghz, p in =0dbm (with balanced mode operation) 29db typ. @f=1.0ghz, p in =0dbm 24db typ. @f=2.0ghz, p in =0dbm 21db typ. @f=2.7ghz, p in =0dbm low insertion loss 0.3db typ. @f=1.0ghz, p in =0dbm 0.4db typ. @f=2.0ghz, p in =0dbm 0.45db typ. @f=2.7ghz, p in =0dbm small and thin package eqfn14-d7 (package size: 1. 6x1.6x0.397mm typ.) rohs compliant and halogen free msl: 1 pin configuration truth table on path vctl pc1-pa1, pc2-pa2 h pc1-pb1, pc2-pb2 l NJG1690MD7 h=v ctl(h), l=v ctl(l) (top view) pin connection 1. gnd 10. pc1 2. pa2 11. gnd 3. pb1 12. vctl 4. gnd 13. gnd 5. pb2 14. pa1 6. gnd 7. vdd 8. gnd 9. pc2 1 2 3 9 8 7 5 10 4 6 11 12 13 14
NJG1690MD7 - 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, vctl=0v/1.8v 28 dbm supply voltage v dd 5.0 v control voltage v ctl 5.0 v power dissipation p d four-layer fr4 pcb with through-hole (74.2x74.2mm), tj=150c 1300 mw operating temp. t opr -40~+85 c storage temp. t stg -55~+150 c 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 circuit1) parameters symbol conditions min typ max units supply voltage v dd 1.5 2.7 4.5 v operating current i dd p in =0dbm - 16 30 a control voltage (low) v ctl(l) 0 - 0.4 v control voltage (high) v ctl(h) 1.3 1.8 4.5 v control current i ctl f=2ghz, p in =0dbm - 5 10 a insertion loss 1 loss1 f=1ghz, p in =0dbm - 0.30 0.45 db insertion loss 2 loss2 f=2ghz, p in =0dbm - 0.40 0.55 db insertion loss 3 loss3 f=2.7ghz, p in =0dbm - 0.45 0.65 db balanced mode isolation *note1 b-isl pc-pa (pc-pb on) pc-pb (pc-pa on) f=2.7ghz, p in =0dbm 33 37 - db isolation 1 isl1 pc1-pa1, pc2-pa2 pc1-pb1, pc2-pb2 f=1ghz, p in =0dbm 27 29 - db isolation 2 isl2 pc1-pa1, pc2-pa2 pc1-pb1, pc2-pb2 f=2ghz, p in =0dbm 21 24 - db isolation 3 isl3 pc1-pa1, pc2-pa2 pc1-pb1, pc2-pb2 f=2.7ghz, p in =0dbm 18 21 - db isolation 4 isl4 pc1-pc2 port f=2ghz, p in =0dbm 22 25 - db note1: the balanced mode isolation is a unique specificati on for isolation defined under the condition where the x-spdt switch is used in balanced mode operatio n as shown in application circuit2. the NJG1690MD7 is designed so that the isolation in the balanced mode operation is much higher than the isolation in the single-ended mode operation.
- 3 - NJG1690MD7 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 circuit1) parameters symbol conditions min typ max units input power at 0.2db compression point p -0.2db f=2ghz 20 24 - dbm vswr vswr f=2ghz, on port - 1.2 1.4 switching time t sw 50% ctl to 10%/90% rf - 1.5 5.0 s
NJG1690MD7 - 4 - terminal information no. symbol description 1 gnd ground terminal. please connect this terminal with ground plane as close as possible for good rf performance. 2 pa2 this port is connected to pc2 terminal by applying high-level (1.3~4.5v) at vctl terminal. an external capacitor is required to bloc k dc voltage of internal circuit. 3 pb1 this port is connected to pc1 terminal by applying low-level (0~0.4v) at vctl terminal. an external capacitor is required to block dc volta ge of internal circuit. 4 gnd ground terminal. please connect this terminal with ground plane as close as possible for good rf performance. 5 pb2 this port is connected to pc2 terminal by applying low-level (0~0.4v) at vctl terminal. an external capacitor is required to block dc volta ge of internal circuit. 6 gnd ground terminal. please connect this terminal with ground plane as close as possible for good rf performance. 7 vdd a supply voltage terminal (1.5~4.5v). please place a bypass capacitor between this terminal and gnd for avoiding rf noise from outside. 8 gnd ground terminal. please connect this terminal with ground plane as close as possible for good rf performance. 9 pc2 common rf port. this port is connected with either of pa2 or pb2. a n external capacitor is required to block dc voltage of internal circuit. 10 pc1 common rf port. this port is connected with either of pa1 or pb1. a n external capacitor is required to block dc voltage of internal circuit. 11 gnd ground terminal. please connect this terminal with ground plane as close as possible for good rf performance. 12 vctl control signal input terminal. this terminal is set to high-level (1.3v ~4.5v) or low-level (0~0.4v). 13 gnd ground terminal. please connect this terminal with ground plane as close as possible for good rf performance. 14 pa1 this port is connected to pc1 terminal by applying high-level (1.3~4.5v) at vctl terminal. an external capacitor is required to block dc volta ge of internal circuit.
- 5 - NJG1690MD7 electrical characteristics (with application circuit1, loss of external circuit are excluded) 1.0 1.2 1.4 1.6 1.8 2.0 0.5 1.0 1.5 2.0 2.5 3.0 pc1 port pc2 port pb1 port pb2 port vswr frequency (ghz) vswr vs. frequency ( v dd =2.7v, v ctl =0v ) 1.0 1.2 1.4 1.6 1.8 2.0 0.5 1.0 1.5 2.0 2.5 3.0 pc1 port pc2 port pa1 port pa2 port vswr frequency (ghz) vswr vs. frequency ( v dd =2.7v, v ctl =1.8v ) -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc1-pa1 pc2-pa2 insertion loss (db) frequency (ghz) insertion loss vs. frequency ( v dd =2.7v, v ctl =1.8v ) -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 pc1-pb1 pc2-pb2 insertion loss (db) frequency (ghz) insertion loss vs. frequency ( v dd =2.7v, v ctl =0v ) -50 -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pc1-pb1 pc2-pb2 pc1-pc2 isolation (db) frequency (ghz) isolation vs. frequency ( v dd =2.7v, v ctl =1.8v ) -50 -40 -30 -20 -10 0 0.5 1.0 1.5 2.0 2.5 3.0 pc1-pa1 pc2-pa2 pc1-pc2 isolation (db) frequency (ghz) isolation vs. frequency ( v dd =2.7v, v ctl =0v )
NJG1690MD7 - 6 - electrical characteristics (with application circuit1 and 2, loss of external circuit are excluded) *1) the balanced mode isolation measured with the a pplication circuit1. *2) the balanced mode isolation measured with the application circuit2 having sing le-ended interfaces and baluns. -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, pc1-pa1 on, v ctl =1.8v ) -2.0 -1.5 -1.0 -0.5 0.0 10 15 20 25 30 pc1-pa1 pc2-pa2 pc1-pb1 pc2-pb2 insertion loss (db) input power (dbm) insertion loss vs. input power ( f=2ghz, , v dd =2.7v, v ctl =1.8v ) -45 -40 -35 -30 -25 2.4 2.45 2.5 2.55 2.6 2.65 2.7 2.75 2.8 pc-pa pc-pb isolation (db) frequency (ghz) balanced mode isolation vs. frequency ( with application circuit 2 ) -70 -60 -50 -40 -30 -20 -10 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 application circuit 1 *1 application circuit 2 *2 isolation (db) frequency (ghz) balanced mode isolation vs. frequency ( broad band )
- 7 - NJG1690MD7 electrical characteristics (with application circuit1, loss of external circui t are excluded) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 0 50 100 pc1-pa1 pc2-pa2 pc1-pb1 pc2-pb2 insertion loss (db) ambient temperature ( o c ) insertion loss vs. ambient temperature ( f=2ghz, v dd =2.7v ) 1 1.2 1.4 1.6 1.8 2 -50 0 50 100 pc1 port pa1 port pc2 port pa2 port vswr ambient temperature ( o c ) vswr vs. ambient temperature ( f=2ghz, v dd =2.7v, v ctl =1.8v ) -30 -25 -20 -15 -10 -50 0 50 100 pc1-pb1 pc2-pb2 pc1-pc2 isolation (db) ambient temperature ( o c ) isolation vs. ambient temperature ( f=2ghz, v dd =2.7v, v ctl =1.8v ) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 -50 0 50 100 f=1ghz f=2ghz f=2.7ghz insertion loss (db) ambient temperature ( o c ) insertion loss vs. ambient temperature ( pc1-pa1 on, v dd =2.7v, v ctl =1.8v )
NJG1690MD7 - 8 - electrical characteristics (with application circuit1, loss of external circui t are excluded) 14 16 18 20 22 24 26 28 -50 0 50 100 v dd =1.5v v dd =2v v dd =2.7v v dd =3.5v p -0.2db (dbm) ambient temperature ( o c ) p -0.2db vs. ambient temperature ( f=2ghz, pc1-pa1 on, v ctl =1.8v ) 0 2 4 6 8 10 -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=2ghz, pc1-pa1 on ) -40 -35 -30 -25 -20 -50 0 50 100 pc-pa pc-pb isolation (db) ambient temperature ( o c ) balanced mode isolation vs. temperature ( f=2.7ghz, v dd =2.7v ) 0 5 10 15 20 25 30 35 40 -50 0 50 100 v dd =1.5v v dd =2v v dd =2.7v v dd =3.5v v dd =4.5v current i dd ( a) ambient temperature ( o c ) current i dd vs. temperature ( v ctl =1.8v )
- 9 - NJG1690MD7 vctl vdd pa1 pa2 pb1 pb2 pc1 pc2 0/1.8v 2.7v 1 2 3 9 8 7 5 10 4 6 11 12 13 14 50 50 50 50 50 50 application circuit 1 (unbalanced mode) pcb layout 1 (top view) losses of pcb, capacitors and connectors parts list 1 part id value comment c1~c6 56pf murata (grm15) c7 1000pf murata (grm15) frequency (ghz) loss (db) 1 0.35 2 0.54 2.7 0.68 pcb: fr-4, t=0.2mm capacitor size: 1005 strip line width: 0.4mm pcb size: 26 x 26mm pa2 pb1 vctl c4 c6 c1 c2 vdd pc2 pa1 pb2 c5 c3 c7 pc1
NJG1690MD7 - 10 - vctl vdd pa1 pa2 pb1 pb2 pc1 pc2 0/1.8v 2.7v 1 2 3 9 8 7 5 10 4 6 11 12 13 14 balun 50 100 100 100 100 pc 50 100 100 100 100 pa pb balun balun 100 100 100 100 50 application circuit 2 (balanced mode) pcb layout 2 (top view) losses of pcb, capacitors, connectors and baluns parts list 2 part id value comment c1~c6 56pf murata (grm03) c7 1000pf murata (grm15) b1~b3 2500mhz band balun tdk-epc hhm1903a1 frequency (ghz) loss (db) 2.7 0.93 vctl c4 c6 c1 c2 pc vdd pa pb c5 c3 c7 gnd b1 b2 b3 pcb: fr-4, t=0.2mm capacitor size: 0603, 1005 strip line width: 0.4mm pcb size: 19.4 x 14mm
- 11 - NJG1690MD7 pcb layout for eqfn14-d7 precautions [1] 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. [2] 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 at th e tab pad under this ic. recommended footprint pattern (eqfn14-d7 package reference) 9 10 11 12 13 14 8 7 6 5 4 3 2 1 gnd via hole diameter : = 0.2mm pkg pcb pkg: 1.6mm x 1.6mm pin pitch: 0.4mm :mask (open area) *metal mask thickness : 100 m :resist(open area) :land pkg outline detail a
NJG1690MD7 - 12 - package outline (eqfn14-d7) units : mm board : cu terminal treat : snbi molding material : epoxy resin weight : 3.4mg 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 waste this product, please obey the relating la w 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.

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