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NJG1673LG3 SP9T ANTENNA SWITCH GaAs MMIC
I GENERAL DESCRIPTION The NJG1673LG3 is a GaAs SP9T antenna switch IC designed for GSM/CDMA/UMTS multimode handsets. This switch features very small package size (3.2mmx2.5mmx0.85mm), high linearity, low insertion loss and high isolation. The NJG1673LG3 contains a switch die with on-chip logic circuits, ESD protection circuits and a LTCC substrate with built-in two LPFs on GSM transmit paths for suppression of transmitter harmonics. For saving current consumption, the NJG1673LG3 has a sleep mode. I FEATURES G Small package G Sleep mode G High linearity I PACKAGE OUTLINE
NJG1673LG3
LCSP20-G3 (Package size: 3.2mm x 2.5mm x 0.85mm typ.) IMD3 -110dBm typ. @ UMTS Band 1/2/5, PTx=20dBm, PJ=-15dBm IMD2 -110dBm typ. @ UMTS Band 1/2/5, PTx=20dBm, PJ=-15dBm 2nd harmonics -75dBc typ. @ GSM850/900 Tx, Pin=34dBm 3rd harmonics -75dBc typ. @ GSM1800/1900 Tx, Pin=32dBm 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 Attenuation 30dB typ. on GSM850/900 Tx @2fo / 3fo Attenuation 30dB typ. on GSM1800/1900 Tx @2fo / 3fo 2.5V~3.0V (2.7V typ) On-chip ESD protection circuit
G Low insertion loss
G Built-in two LPFs G Low operating voltage G High ESD tolerance G Lead-free and halogen-free I PIN CONFIGURATION
(Top view)
CTLC CTLB CTLD VDD
PIN CONNECTION
1
20
19 DECODER
18
17
SLEEP
CTLA
2
16
RX1
TRX1
3
15
RX2
TRX2
4
14
RX3
TRX3
5
13
RX4
NC (GND) ANT
6 LPF LPF 7 8
GND
12
GND
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.
9
TX2
10
TX1
11
GND
CTLB CTLA TRX1 TRX2 TRX3 NC (GND) ANT GND TX2 TX1 GND GND RX4 RX3 RX2 RX1 SLEEP VDD CTLD 20. CTLC
NOTE: The information on this datasheet is subject to change without notice.
Ver. 2010-08-17
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NJG1673LG3
I TRUTH TABLE "H"=VCTL(H), "L"=VCTL(L) On Path CTLA TX1 - ANT TX2 - ANT ANT-RX1 ANT-RX2 ANT-RX3 ANT-RX4 ANT-TRX1 ANT-TRX2 ANT-TRX3 Sleep mode * X: Do not care H H L L L L H H H X
CTLB H L L L H H L H L X
CTLC L L L H H L H H H X
CTLD L L L L L L L L H X
SLEEP H H H H H H H H H L
VDD H H H H H H H H H X
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NJG1673LG3
I ABSOLUTE MAXIMUM RATINGS Ta=+25C, Zs=Zl=50 PARAMETER SYMBOL GSM800 TX GSM900 TX GSM1800 TX RF Input Power Pin GSM1900 TX UMTS(Band1) UMTS(Band2) UMTS(Band5) All RX port Supply Voltage Control Voltage Power dissipation Operating Temperature Storage Temperature VDD VCTL Pd Topr Tstg VDD terminal VCTL terminal CONDITIONS 824MHz~849MHz 880MHz~915MHz 1710MHz~1785MHz 1850MHz~1910MHz 1920MHz~1980MHz 1850MHz~1910MHz 824MHz~849MHz 869MHz~2170MHz Duty Cycle 4:8 4:8 4:8 4:8 CW CW CW CW RATINGS 36 36 34 34 34 34 34 28 3.2 4 2400 -40~+95 -65~+150 UNITS dBm dBm dBm dBm dBm dBm dBm dBm V V mW C C
Four-layer FR4 PCB with through-hole (101mmx114mm), Tj=150C
I ELECTRICAL CHARACTERISTICS 1 (DC) General conditions: Ta=+25C, Zs=Zl=50, VDD=2.7V, VCTL(L)=0V, VCTL(H)=1.8V Parameter Supply voltage Operating current 1 Operating current 2 Control voltage (HIGH) Control voltage (LOW) Control current Symbol VDD IDD1 IDD2 VCTL(H) VCTL(L) ICTL CTLA~D, SLEEP terminal VDD terminal VDD terminal, SLEEP =1.8V , TX1 ON 824MHz~915MHz, Pin=34dBm VDD terminal, Sleep mode, SLEEP =0V Conditions Min 2.5 1.35 0 Typ 2.7 600 4 1.8 6 Max 3.0 1000 10 3.0 0.4 20 Units V
A A
V V
A
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NJG1673LG3
I ELECTRICAL CHARACTERISTICS 2 (RF) General conditions: Ta=+25C, Zs=Zl=50, VDD=2.7V, VCTL(L)=0V, VCTL(H)=1.8V, with application circuit Parameter Insertion loss 1 Symbol LOSS1 Conditions TX1 - ANT, 824~849MHz, 880~915MHz, Pin=34dBm TX2 - ANT, 1710MHz~1785MHz, 1850MHz~1910MHz, Pin=32dBm ANT - RX1~3, 869MHz~894MHz, 925MHz~960MHz, Pin=10dBm Min Typ 0.85 Max Units 1.10 dB
Insertion loss 2
LOSS2
-
1.00
1.30
dB
Insertion loss 3(1) LOSS3(1)
-
0.90
1.10
dB
ANT - RX1~3, Insertion loss 3(2) LOSS3(2) 1805MHz~1880MHz, 1930MHz~1990MH, Pin=10dBm Insertion loss 4(1) LOSS4(1) TRX1~3 - ANT 824MHz~849MHz, 869MHz~894MHz, Pin=26dBm TRX1~3 - ANT 880MHz~915MHz, 925MHz~960MHz, Pin=26dBm
-
1.10
1.30
dB
-
0.40
0.55
dB
Insertion loss 4(2) LOSS4(2)
-
0.45
0.60
dB
TRX1~3 - ANT Insertion loss 4(3) LOSS4(3) 1850MHz~1910MHz, 1930MHz~1990MHz, Pin=26dBm Insertion loss 4(4) LOSS4(4) VSWR 1 VSWR 2 VSWR 3 Isolation 1 TRX1~3 - ANT, 1920MHz~1980MHz, 2110MHz~2170MHz, Pin=26dBm
-
0.60
0.75
dB
35
0.70 40
0.85 1.5 1.5 1.5 -
dB
VSWR 1 TX1,2 ON, Input / output port VSWR 2 RX1~4 ON, Input / output port VSWR 3 TRX1~3 ON, Input / output On port ISL1 TX1 ON, TX1 to RX1~4, 824~849MHz, 880~915MHz, Pin=34dBm TX2 ON, TX2 to RX1~4, 1710MHz~1785MHz, 1850MHz~1910MHz, Pin=32dBm RX1~4 ON, TX1 to ANT, 824~849MHz, 880~915MHz, Pin=10dBm RX1~4 ON, TX2 to ANT, 1710MHz~1785MHz, 1850MHz~1910MHz, Pin=10dBm TRX1~3 ON, TRX1~3 to RX1~4, 824MHz~849MHz, 880MHz~915MHz, 1850MHz~1910MHz, 1920MHz~1980MHz, Pin=26dBm All paths Ta=-20deg~+85deg
dB
Isolation 2
ISL2
40
50
-
dB
Isolation 3(1)
ISL3(1)
25
30
-
dB
Isolation 3(2)
ISL3(2)
25
30
-
dB
Isolation 4
ISL4
45
50
-
dB
Switching time
TSW
-
3
8
s
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NJG1673LG3
I ELECTRICAL CHARACTERISTICS 2 (RF) General conditions: Ta=+25C, Zs=Zl=50, VDD=2.7V, VCTL(L)=0V, VCTL(H)=1.8V, with application circuit Parameter 2nd harmonics 1 Symbol 2fo(1) Conditions TX1 ON, fo= 824~849MHz, 880~915MHz, Pin=34dBm TX2 ON, fo= 1710MHz~1785MHz, 1850MHz~1910MHz, Pin=32dBm TRX1~3 ON, fo= 824MHz~849MHz, 1850MHz~1910MHz, 1920MHz~1980MHz, Pin=26dBm TX1 ON, fo= 824~849MHz, 880~915MHz, Pin=34dBm TX2 ON, fo=1710MHz~1785MHz, 1850MHz~1910MHz, Pin=32dBm TRX1~3 ON, fo= 824MHz~849MHz, 1850MHz~1910MHz, 1920MHz~1980MHz, Pin=26dBm TX1 ON, 1648MHz~1830MHz TX1 ON, 2472MHz~2745MHz TX1 ON, f=3296MHz~12750MHz TX2 ON, 3420MHz~3820MHz TX2 ON, 5130MHz~5730MHz TX2 ON, f=6840MHz~12750MHz Min Typ -75 Max -70 Units dBc
2nd harmonics 2
2fo(2)
-
-75
-70
dBc
2nd harmonics 3
2fo(3)
-
-80
-70
dBc
3rd harmonics 1
3fo(1)
-
-75
-70
dBc
3rd harmonics 2
3fo(2)
-
-75
-70
dBc
3rd harmonics 3
3fo(3)
-
-80
-70
dBc
Attenuation 1
ATT(1)
25
30
-
dB
Attenuation 2
ATT(2)
25
30
-
dB
Attenuation 3
ATT(3)
20
-
-
dB
Attenuation 4
ATT(4)
25
30
-
dB
Attenuation 5
ATT(5)
25
30
-
dB dB
Attenuation 6
ATT(6)
13
-
-
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NJG1673LG3
I ELECTRICAL CHARACTERISTICS 2 (RF) General conditions: Ta=+25C, Zs=Zl=50, VDD=2.7V, VCTL(L)=0V, VCTL(H)=1.8V, with application circuit Parameter Symbol IMD2(1) Conditions TRX1~3 ON, Tone1: fTX=1950MHz, PTX=20dBm, Tone2: fJ =190MHz, PJ=-15dBm TRX1~3 ON, Tone1: fTX=1950MHz, PTX=20dBm, Tone2: fJ =4090MHz, PJ=-15dBm TRX1~3 ON, Tone1: fTX=1880MHz, PTX=20dBm, Tone2: fJ =80MHz, PJ=-15dBm TRX1~3 ON, Tone1: fTX=1880MHz, PTX=20dBm, Tone2: fJ =3840MHz, PJ=-15dBm TRX1~3 ON, Tone1: fTX=837MHz, PTX=20dBm, Tone2: fJ =45MHz, PJ=-15dBm TRX1~3 ON, Tone1: fTX=837MHz, PTX=20dBm, Tone2: fJ =1719MHz, PJ=-15dBm Min Typ -110 Max -102 Units dBm
2nd order intermodulation distortion 1 2nd order intermodulation distortion 2 2nd order intermodulation distortion 3 2nd order intermodulation distortion 4 2nd order intermodulation distortion 5 2nd order intermodulation distortion 6 3rd order intermodulation distortion 1 3rd order intermodulation distortion 2 3rd order intermodulation distortion 3 3rd order intermodulation distortion 4 3rd order intermodulation distortion 5 3rd order intermodulation distortion 6
IMD2(2)
-
-110
-102
dBm
IMD2(3)
-
-110
-102
dBm
IMD2(4)
-
-110
-102
dBm
IMD2(5)
-
-110
-102
dBm
IMD2(6)
-
-110
-102
dBm
TRX1~3 ON, IMD3(1) Tone1: fTX=1950MHz, PTX=20dBm, Tone2: fJ =1760MHz, PJ=-15dBm TRX1~3 ON, IMD3(2) Tone1: fTX=1950MHz, PTX=20dBm, Tone2: fJ =6040MHz, PJ=-15dBm TRX1~3 ON, IMD3(3) Tone1: fTX=1880MHz, PTX=20dBm, Tone2: fJ =1800MHz, PJ=-15dBm TRX1~3 ON, IMD3(4) Tone1: fTX=1880MHz, PTX=20dBm, Tone2: fJ =5720MHz, PJ=-15dBm TRX1~3 ON, IMD3(5) Tone1: fTX=837MHz, PTX=20dBm, Tone2: fJ =792MHz, PJ=-15dBm TRX1~3 ON, IMD3(6) Tone1: fTX=837MHz, PTX=20dBm, Tone2: fJ =2556MHz, PJ=-15dBm
-
-107
-100
dBm
-
-110
-102
dBm
-
-107
-101
dBm
-
-110
-102
dBm
-
-107
-102
dBm
-
-110
-102
dBm
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NJG1673LG3
I TERMINAL INFORMATION No. 1 2 3 4 5 6 7 SYMBOL CTLB CTLA TRX1 TRX2 TRX3 NC(GND) ANT DESCRIPTION Control signal input terminal. This terminal is set to High-Level (+1.35~+3.0V) or Low-Level (0~+0.4V). Control signal input terminal. This terminal is set to High-Level (+1.35~+3.0V) or Low-Level (0~+0.4V). RF transmitting/receiving port. RF transmitting/receiving port. RF transmitting/receiving port. No connected terminal. This terminal is not connected with internal circuit. Connect to the PCB ground plane. RF transmitting/receiving port. Please connect an inductor with GND terminal for ESD protection. Ground terminal. Please connect this terminal with ground plane as close as possible for excellent RF performance. RF transmitting port. This port is connected the LPF for GSM1800/1900 TX band into LTCC substrate. RF transmitting port. This port is connected the LPF for GSM850/900 TX band into LTCC substrate. RF receiving port. RF receiving port. RF receiving port. RF receiving port. 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). Positive voltage supply terminal. The positive voltage (+2.5~+3.0V) has to be supplied. Please connect a bypass capacitor with GND terminal for excellent RF performance. Control signal input terminal. This terminal is set to High-Level (+1.35~+3.0V) or Low-Level (0~+0.4V). Control signal input terminal. This terminal is set to High-Level (+1.35~+3.0V) or Low-Level (0~+0.4V).
8,11,12
GND
9
TX2
10 13 14 15 16 17
TX1 RX4 RX3 RX2 RX1 SLEEP
18 19 20
VDD CTLD CTLC
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NJG1673LG3
I APPLICATION CIRCUIT (TOP VIEW)
C1 1000pF
CTLC CTLB
CTLD
VDD
SLEEP
1
CTLA
20
19
18
17
DECODER
2 16
Rx1
TRX1
Rx2
3
TRX2
15
Rx3
4
14
TRX3
Rx4
5
13
GND
GND
6
LPF LPF ANT
12
GND
7
8
GND
9
Tx2
10
Tx1
11
L1 56nH
I PARTS LIST *1
Part Number C1 L1 Parameters 1000 pF 56 nH Notes Bypass capacitor *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 in order to enhance ESD robustness.
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NJG1673LG3
I TEST PCB LAYOUT
(TOP VIEW)
TRX1 RX1
TRX2
RX2
C1
TRX3
L1
RX3
RX4
ANT
TX2
TX1
Board total losses (Connector and PCB) Frequwncy Loss Mode (MHz) (dB) 824 0.31 849 0.32 TX1 880 0.32 915 0.34 1710 0.49 1785 0.51 TX2 1850 0.53 1910 0.53 960 0.34 RX1 1990 0.55 960 0.34 RX2 1990 0.55 960 0.34 RX3 1990 0.53 960 0.34 RX4 1990 0.55 894 0.33 960 0.34 TRX1 1990 0.55 2170 0.59 894 0.33 960 0.34 TRX2 1990 0.55 2170 0.59 894 0.33 960 0.33 TRX3 1990 0.53 2170 0.56 894 0.33
VCTLA VCTLB VCTLC VCTLD
PRECAUTIONS [1] For good RF performance, the ground terminals should be directly connected to the ground patterns and the through-holes as close as possible by using relatively wide pattern. [2] Please connect exposed GND PADs (bottom side of IC) to PCB GND using through holes.
VDD SLEEP GND
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NJG1673LG3
I PACKAGE OUTLINE (LCSP20-G3)
UNIT TERMINAL TREAT SUBSTRATE MOLDING MATERIAL WEIGHT
mm Ag/Ni/Pb/Au Ceramic Epoxy resin (Halogen-Free) 20 mg
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NJG1673LG3
I RECOMMENDED FOOTPRINT PATTERN
Red dot lines indicate the package outline and LGA pads (Top View). Black solid lines indicate the recommended "Land area" (Top View). Green solid lines indicate the recommended "Resist open area" (Top View). Blue solid lines indicate the recommended "Solder mask open area" (Top View).
Cautions on using this product This product contains Gallium-Arsenide (GaAs) which 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 product. * To waste this product, please obey the relating law of your country. This product may be damaged with electric static discharge (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.
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