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- 1 - njg1673lg3 ver. 2010-08-17 sp9t antenna switch gaas mmic general description package outline the njg1673lg3 is a gaas sp9t antenna switch ic des igned for gsm/cdma/umts multimode handsets. this switch featu res very small package size (3.2mmx2.5mmx0.85mm), high linea rity, low insertion loss and high isolation. the njg1673lg3 c ontains a switch die with on-chip logic circuits, esd protection cir cuits and a ltcc substrate with built-in two lpfs on gsm transmit pa ths for suppression of transmitter harmonics. for saving cu rrent consumption, the njg1673lg3 has a sleep mode. features small package lcsp20-g3 (package size: 3.2mm x 2.5 mm x 0.85mm typ.) sleep mode high linearity imd3 -110dbm typ. @ umts band 1/2/5 , p tx =20dbm, p j =-15dbm imd2 -110dbm typ. @ umts band 1/2/5, p tx =20dbm, p j =-15dbm 2nd harmonics -75dbc typ. @ gsm850/900 tx, pin=34 dbm 3rd harmonics -75dbc typ. @ gsm1800/1900 tx, pin =32dbm low insertion loss 0.40db typ. @ umts band 5 0.60db typ. @ umts band 2 0.70db typ. @ umts band 1 0.85db typ. @ gsm850/900 tx 1.00db typ. @ gsm1800/1900 tx built-in two lpfs attenuation 30db typ. on gsm850/ 900 tx @2fo / 3fo attenuation 30db typ. on gsm1800/1900 tx @2fo / 3f o low operating voltage 2.5v~3.0v (2.7v typ) high esd tolerance on-chip esd protection circuit lead-free and halogen-free pin configuration pin connection 1. ctlb 2. ctla 3. trx1 4. trx2 5. trx3 6. nc (gnd) 7. ant 8. gnd 9. tx2 10. tx1 11. gnd 12. gnd 13. rx4 14. rx3 15. rx2 16. rx1 17. sleep 18. vdd 19. ctld 20. ctlc note: the information on this datasheet is subject to change without notice. njg1673lg3 (top view) 2 4 7 8 13 14 15 rx1 ctld tx2 rx3 ant nc (gnd) ctlc tx1 rx2 12 trx3 10 5 sleep 6 lpf lpf rx4 trx2 ctlb 3 trx1 9 vdd 16 11 gnd 1 20 18 19 17 decoder ctla gnd gnd datasheet.in
- 2 - njg1673lg3 truth table h=v ctl(h) , l=v ctl(l) on path ctla ctlb ctlc ctld sleep vdd tx1 - ant h h l l h h tx2 - ant h l l l h h ant-rx1 l l l l h h ant-rx2 l l h l h h ant-rx3 l h h l h h ant-rx4 l h l l h h ant-trx1 h l h l h h ant-trx2 h h h l h h ant-trx3 h l h h h h sleep mode x x x x l x * x: do not care datasheet.in
- 3 - njg1673lg3 absolute maximum ratings t a =+25c, z s =z l =50 duty parameter symbol conditions cycle ratings units gsm800 tx 824mhz~849mhz 4:8 36 dbm gsm900 tx 880mhz~915mhz 4:8 36 dbm gsm1800 tx 1710mhz~1785mhz 4:8 34 dbm gsm1900 tx 1850mhz~1910mhz 4:8 34 dbm umts(band1) 1920mhz~1980mhz cw 34 dbm umts(band2) 1850mhz~1910mhz cw 34 dbm umts(band5) 824mhz~849mhz cw 34 dbm rf input power pin all rx port 869mhz~2170mhz cw 28 dbm supply voltage v dd v dd terminal 3.2 v control voltage v ctl v ctl terminal 4 v power dissipation pd four-layer fr4 pcb with through-hole (101mmx114mm), tj=150 c 2400 mw operating temperature t opr -40~+95 c storage temperature t stg -65~+150 c electrical characteristics 1 (dc) general conditions: t a =+25c, z s =z l =50 , v dd =2.7v, v ctl(l) =0v, v ctl(h) =1.8v parameter symbol conditions min typ max units supply voltage v dd vdd terminal 2.5 2.7 3.0 v operating current 1 idd1 vdd terminal, sleep =1.8v , tx1 on 824mhz~915mhz, pin=34dbm - 600 1000 a operating current 2 idd2 vdd terminal, sleep mode, sleep =0v - 4 10 a control voltage (high) vctl(h) 1.35 1.8 3.0 v control voltage (low) vctl(l) 0 - 0.4 v control current ictl ctla~d, sleep terminal - 6 20 a datasheet.in
- 4 - njg1673lg3 electrical characteristics 2 (rf) 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 parameter symbol conditions min typ max units insertion loss 1 loss1 tx1 - ant, 824~849mhz , 880~915mhz , pin=34dbm - 0.85 1.10 db insertion loss 2 loss2 tx2 - ant, 1710mhz~1785mhz, 1850mhz~1910mhz, pin=32dbm - 1.00 1.30 db insertion loss 3(1) loss3(1) ant - rx1~3, 869mhz~894mhz, 925mhz~960mhz , pin=10dbm - 0.90 1.10 db insertion loss 3(2) loss3(2) ant - rx1~3, 1805mhz~1880mhz, 1930mhz~1990mh , pin=10dbm - 1.10 1.30 db insertion loss 4(1) loss4(1) trx1~3 - ant 824mhz~849mhz, 869mhz~894mhz, pin=26dbm - 0.40 0.55 db insertion loss 4(2) loss4(2) trx1~3 - ant 880mhz~915mhz, 925mhz~960mhz, pin=26dbm - 0.45 0.60 db insertion loss 4(3) loss4(3) trx1~3 - ant 1850mhz~1910mhz, 1930mhz~1990mhz, pin=26dbm - 0.60 0.75 db insertion loss 4(4) loss4(4) trx1~3 - ant, 1920mhz~1980mhz, 2110mhz~2170mhz, pin=26dbm - 0.70 0.85 db vswr 1 vswr 1 tx1,2 on, input / output port - - 1.5 vswr 2 vswr 2 rx1~4 on, input / output port - - 1.5 vswr 3 vswr 3 trx1~3 on, input / output on port - - 1.5 isolation 1 isl1 tx1 on, tx1 to rx1~4, 824~849mhz, 880~915mhz , pin=34dbm 35 40 - db isolation 2 isl2 tx2 on, tx2 to rx1~4, 1710mhz~1785mhz, 1850mhz~1910mhz, pin=32dbm 40 50 - db isolation 3(1) isl3(1) rx1~4 on, tx1 to ant, 824~849mhz, 880~915mhz , pin=10dbm 25 30 - db isolation 3(2) isl3(2) rx1~4 on, tx2 to ant, 1710mhz~1785mhz, 1850mhz~1910mhz , pin=10dbm 25 30 - db isolation 4 isl4 trx1~3 on, trx1~3 to rx1~4, 824mhz~849mhz, 880mhz~915mhz, 1850mhz~1910mhz, 1920mhz~1980mhz, pin=26dbm 45 50 - db switching time tsw all paths ta=-20deg~+85deg - 3 8 s datasheet.in
- 5 - njg1673lg3 electrical characteristics 2 (rf) 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 parameter symbol conditions min typ max units 2nd harmonics 1 2fo(1) tx1 on, fo= 824~849mhz, 880~915mhz, pin=34dbm - -75 -70 dbc 2nd harmonics 2 2fo(2) tx2 on, fo= 1710mhz~1785mhz, 1850mhz~1910mhz, pin=32dbm - -75 -70 dbc 2nd harmonics 3 2fo(3) trx1~3 on, fo= 824mhz~849mhz, 1850mhz~1910mhz, 1920mhz~1980mhz, pin=26dbm - -80 -70 dbc 3rd harmonics 1 3fo(1) tx1 on, fo= 824~849mhz, 880~915mhz, pin=34dbm - -75 -70 dbc 3rd harmonics 2 3fo(2) tx2 on, fo=1710mhz~1785mhz, 1850mhz~1910mhz, pin=32dbm - -75 -70 dbc 3rd harmonics 3 3fo(3) trx1~3 on, fo= 824mhz~849mhz, 1850mhz~1910mhz, 1920mhz~1980mhz, pin=26dbm - -80 -70 dbc attenuation 1 att(1) tx1 on, 1648mhz~1830mhz 25 30 - db attenuation 2 att(2) tx1 on, 2472mhz~2745mhz 25 30 - db attenuation 3 att(3) tx1 on, f=3296mhz~12750mhz 20 - - db attenuation 4 att(4) tx2 on, 3420mhz~3820mhz 25 30 - db attenuation 5 att(5) tx2 on, 5130mhz~5730mhz 25 30 - db attenuation 6 att(6) tx2 on, f=6840mhz~12750mhz 13 - - db datasheet.in
- 6 - njg1673lg3 electrical characteristics 2 (rf) 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 parameter symbol conditions min typ max units 2nd order intermodulation distortion 1 imd2(1) trx1~3 on, tone1: f tx =1950mhz, p tx =20dbm, tone2: f j =190mhz, p j =-15dbm - -110 -102 dbm 2nd order intermodulation distortion 2 imd2(2) trx1~3 on, tone1: f tx =1950mhz, p tx =20dbm, tone2: f j =4090mhz, p j =-15dbm - -110 -102 dbm 2nd order intermodulation distortion 3 imd2(3) trx1~3 on, tone1: f tx =1880mhz, p tx =20dbm, tone2: f j =80mhz, p j =-15dbm - -110 -102 dbm 2nd order intermodulation distortion 4 imd2(4) trx1~3 on, tone1: f tx =1880mhz, p tx =20dbm, tone2: f j =3840mhz, p j =-15dbm - -110 -102 dbm 2nd order intermodulation distortion 5 imd2(5) trx1~3 on, tone1: f tx =837mhz, p tx =20dbm, tone2: f j =45mhz, p j =-15dbm - -110 -102 dbm 2nd order intermodulation distortion 6 imd2(6) trx1~3 on, tone1: f tx =837mhz, p tx =20dbm, tone2: f j =1719mhz, p j =-15dbm - -110 -102 dbm 3rd order intermodulation distortion 1 imd3(1) trx1~3 on, tone1: f tx =1950mhz, p tx =20dbm, tone2: f j =1760mhz, p j =-15dbm - -107 -100 dbm 3rd order intermodulation distortion 2 imd3(2) trx1~3 on, tone1: f tx =1950mhz, p tx =20dbm, tone2: f j =6040mhz, p j =-15dbm - -110 -102 dbm 3rd order intermodulation distortion 3 imd3(3) trx1~3 on, tone1: f tx =1880mhz, p tx =20dbm, tone2: f j =1800mhz, p j =-15dbm - -107 -101 dbm 3rd order intermodulation distortion 4 imd3(4) trx1~3 on, tone1: f tx =1880mhz, p tx =20dbm, tone2: f j =5720mhz, p j =-15dbm - -110 -102 dbm 3rd order intermodulation distortion 5 imd3(5) trx1~3 on, tone1: f tx =837mhz, p tx =20dbm, tone2: f j =792mhz, p j =-15dbm - -107 -102 dbm 3rd order intermodulation distortion 6 imd3(6) trx1~3 on, tone1: f tx =837mhz, p tx =20dbm, tone2: f j =2556mhz, p j =-15dbm - -110 -102 dbm datasheet.in
- 7 - njg1673lg3 terminal information no. symbol description 1 ctlb control signal input terminal. this terminal is set to high-level (+1.35~+3.0v) or low-level (0~+0.4v). 2 ctla control signal input terminal. this terminal is set to high-level (+1.35~+3.0v) or low-level (0~+0.4v). 3 trx1 rf transmitting/receiving port. 4 trx2 rf transmitting/receiving port. 5 trx3 rf transmitting/receiving port. 6 nc(gnd) no connected terminal. this terminal is not connected with internal circui t. connect to the pcb ground plane. 7 ant rf transmitting/receiving port. please connect an inductor with gnd terminal for esd protection. 8,11,12 gnd ground terminal. please connect this terminal with ground plane as close as possible for excellent rf performance. 9 tx2 rf transmitting port. this port is connected the lpf for gsm1800/1900 tx band into ltcc substrate. 10 tx1 rf transmitting port. this port is connected the lpf for gsm850/900 tx band into ltcc substrate. 13 rx4 rf receiving port. 14 rx3 rf receiving port. 15 rx2 rf receiving port. 16 rx1 rf receiving port. 17 sleep control terminal of switching between normal operation mode and sleep mode. this terminal is set to high-level (+1.35~+3.0v) or low-level (0~+0.4v). 18 vdd positive voltage supply terminal. the positive voltage (+2.5~+3.0v) has t o be supplied. please connect a bypass capacitor with gnd terminal for excellent rf performance. 19 ctld control signal input terminal. this terminal is set to high-level (+1.35~+3.0v) or low-level (0~+0.4v). 20 ctlc control signal input terminal. this terminal is set to high-level (+1.35~+3.0v) or low-level (0~+0.4v). datasheet.in
- 8 - njg1673lg3 application circuit (top view) parts list *1 part number parameters notes c1 1000 pf bypass capacitor l1 56 nh *2 *1: no dc blocking capacitors are required on all rf ports. the dc levels of all rf ports are ground. *2: the inductor of 56nh is required on ant port i n order to enhance esd robustness. rx1 rx2 rx3 rx4 gnd tx2 ant trx1 trx2 trx3 ctla ctlb ctlc ctld sleep vdd tx1 gnd gnd l1 56nh c1 1000pf gnd 2 4 7 8 13 14 15 12 10 5 6 lpf lpf 3 9 16 11 1 20 18 19 17 decoder datasheet.in
- 9 - njg1673lg3 824 0.31 849 0.32 880 0.32 915 0.34 1710 0.49 1785 0.51 1850 0.53 1910 0.53 960 0.34 1990 0.55 960 0.34 1990 0.55 960 0.34 1990 0.53 960 0.34 1990 0.55 894 0.33 960 0.34 1990 0.55 2170 0.59 894 0.33 960 0.34 1990 0.55 2170 0.59 894 0.33 960 0.33 1990 0.53 2170 0.56 894 0.33 trx1 trx3 loss (db) mode frequwncy (mhz) tx1 tx2 rx1 rx2 rx3 rx4 trx2 test pcb layout (top view) precautions [1] for good rf performance, the ground terminals s hould be directly connected to the ground patterns and the through-holes as close as possible by using rel atively wide pattern. [2] please connect exposed gnd pads (bottom side of ic) to pcb gnd using through holes. board total losses (connector and pcb) trx1 vdd rx2 rx3 rx4 tx1 tx2 ant trx3 trx2 l1 c1 vctla rx1 vctlb vctlc vctld sleep gnd datasheet.in
- 10 - njg1673lg3 package outline (lcsp20-g3) unit mm terminal treat ag/ni/pb/au substrate ceramic molding material epoxy resin (halogen-free) weight 20 mg datasheet.in
- 11 - njg1673lg3 recommended footprint pattern 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. red dot lines indicate the package outline and lga pads (top view). black solid lines indicate the recommended land ar ea (top view). green solid lines indicate the recommended resist open area (top view). blue solid lines indicate the recommended solder m ask open area (top view). datasheet.in

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