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| NJG1655SCC X-SP3T SWITCH GaAs MMIC ! GENERAL DESCRIPTION The NJG1655SCC is a GaAs X (Cross)-SP3T switch MMIC which is designed for switching of balanced triple-band filters. This switch features very low phase error between on state paths, low insertion loss and low control voltage. This switch integrates a logic decoder function and high ESD protection circuits. The small PCSP20-CC package is adopted. ! FEATURES " Low voltage operation " Low voltage Logic control " Low insertion loss " Operating current consumption " Control current consumption " Small package ! PIN CONFIGURATION (Top View) 20 1 2 3 4 5 6 7 8 9 10 19 18 17 16 15 14 13 12 11 ! PACKAGE OUTLINE NJG1655SCC VDD=+1.5~+4.5V VCTL(H)=+1.3V min, 0.4dB typ. @f=1.0GHz, PIN=0dBm, VDD=2.7V 0.5dB typ. @f=2.0GHz, PIN=0dBm, VDD=2.7V 20A typ. @ VDD=2.7V 5A typ. @ VCTL(H)=1.8V PCSP20-CC (Package size: 2.7x2.7x0.8mm) DECODER Pin connection 1. GND 11. GND 2. P2A 12. PCB 3. GND 13. PCA 4. P2B 14. GND 5. GND 15. VDD 6. P1B 16. GND 7. P1A 17. CTL2 8. GND 18. CTL1 9. GND 19. P3B 10. GND 20. P3A ! TRUTH TABLE ON PATH PCA-P1A PCB-P1B PCA-P2A PCB-P2B PCA-P3A PCB-P3B "H"=VCTL(H), "L"=VCTL(L) CTL1 H L L CTL2 L L H X (Cross) -SPT Switch : Switch that output port of two SP3T switches crosses internally. NOTE: The information on this datasheet is subject to change without notice. Ver.2008-10-15 -1- NJG1655SCC ! ABSOLUTE MAXIMUM RATINGS PARAMETER RF Input Power Supply Voltage Control Voltage Power Dissipation Operating Temp. Storage Temp. SYMBOL PIN VDD VCTL PD Topr Tstg CONDITIONS VDD =2.7V, VCTL=0V/1.8V VDD terminal CTL terminal (Ta=+25C, Zs=Zl=50) RATINGS UNITS 28 5.0 5.0 500 -40~+85 -55~+150 dBm V V mW C C ! ELECTRICAL CHARACTERISTICS (General conditions: Ta=+25C, Zs=Zl=50, VDD=2.7V, VCTL(L)=0V, VCTL(H)=1.8V, with application circuit) PARAMETERS Supply Voltage Operating Current Control Voltage (LOW) Control Voltage (HIGH) Control Current Insertion Loss 1 Insertion Loss 2 Isolation 1 SYMBOL VDD IDD VCTL(L) VCTL(H) ICTL LOSS1 LOSS2 ISL1 f=1.0GHz, PIN=0dBm f=2.0GHz, PIN=0dBm f=1.0GHz, PIN=0dBm PCA-P1A,P2A,P3A, PCB-P1B,P2B,P3B f=2.0GHz, PIN=0dBm PCA-P1A,P2A,P3A, PCB-P1B,P2B,P3B f=2.0GHz, PIN=0dBm PCA-PCB f=2GHz f=2GHz f=2GHz, on state CONDITIONS MIN 1.5 0 1.3 24 TYP 2.7 20 1.8 5 0.4 0.5 26 MAX 4.5 40 0.4 4.5 10 0.55 0.7 UNITS V A V V A dB dB dB Isolation 2 Isolation 3 Phase Error Input Power at 0.2dB Compression Point VSWR Switching Time ISL2 ISL3 PE P-0.2dB VSWR Tsw 18 15 -3 18 - 20 17 23 1.1 2 3 1.3 5 dB dB deg dBm s -2- NJG1655SCC ! TERMINAL INFORMATION No. 2 SYMBOL P2A DESCRIPTION The 2nd RF port of the 1st switch. This port is connected with PCA port. PCB port is connected with P2B port at the same time. An external capacitor is required to block DC voltage. 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 capacitor is required to block DC voltage. 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 capacitor is required to block DC voltage. The 1st RF port of the 1st switch. This port is connected with PCA port. PCB port is connected with P1B port at the same time. An external capacitor is required to block DC voltage. 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. Common RF port of the 1st switch. This port is connected with either of P1A, P2A, and P3A port. An external capacitor is required to block DC voltage. Positive voltage supply terminal. The positive voltage (+1.5~+4.5V) 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 (+1.3V~4.5V) or Low-Level (0~+0.4V). Control signal input terminal. This terminal is set to High-Level (+1.3V~4.5V) or Low-Level (0~+0.4V). The 3rd RF port of the 2nd switch. This port is connected with PCB port. PCA port is connected with P3A port at the same time. An external capacitor is required to block DC voltage. 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. Ground terminal. Please connect this terminal with ground plane as close as possible for excellent RF performance. 4 P2B 6 P1B 7 P1A 12 PCB 13 PCA 15 VDD 17 CTL2 18 CTL1 19 P3B 20 1,3,5,8,9, 10,11,14, 16 P3A GND -3- NJG1655SCC ! ELECTRICAL CHARACTERISTICS (With Application circuit, Loss of external circuit are excluded) Insertion Loss vs. Frequency 0.0 Isolation vs. Frequency 0 -5 -10 -15 -20 -25 -30 ( VDD=2.7V, VCTL1=1.8V, VCTL2=0V ) PCA-P1A PCB-P1B ( VDD=2.7V, VCTL1=1.8V, VCTL2=0V ) PCA-PCB PCA-P2A PCA-P3A PCB-P2B PCB-P3B Insertion Loss (dB) -0.5 -1.0 -1.5 -2.0 0.5 Isolation (dB) 1.0 1.5 2.0 2.5 -35 0.5 1.0 1.5 2.0 2.5 Frequency (GHz) Frequency (GHz) VSWR vs. Frequency 2.0 Phase Error vs. Frequency 10 ( VDD=2.7V, VCTL1=1.8V, VCTL2=0V ) PCA Port P1A Port PCB Port P1B Port ( VDD=2.7V, VCTL(H)=1.8V, VCTL(L)=0V ) PCA-P1A,PCB-P1B PCA-P2A,PCB-P2B PCA-P3A,PCB-P3B 1.8 Phase Error (degree) 5 VSWR 1.6 0 1.4 -5 1.2 1.0 0.5 1.0 1.5 2.0 2.5 -10 0.5 1.0 1.5 2.0 2.5 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Input Power 0.0 ( f=2GHz, PCA-P1A ON, VCTL1=1.8V, V CTL2 =0V ) Insertion Loss (dB) -0.5 -1.0 V =1.5V DD DD DD DD DD V =2V -1.5 V =2.7V V =3.5V V =4.5V -2.0 -20 -10 0 10 20 30 Input Power (dBm) -4- NJG1655SCC ! ELECTRICAL CHARACTERISTICS (With Application circuit, Loss of external circuit are excluded) Insertion Loss vs. Frequency 0 PCA-P1A, PCB-P1B Phase Error vs. Frequency 10 ( PCA-P1A ON, VDD=2.7V, VCTL1 =1.8V, VCTL2=0V ) ( VDD=2.7V, VCTL1=1.8V, VCTL2=0V ) -45 C o -0.5 Phase Error (degree) +25 C 5 +90 C o o Insertion Loss (dB) -1 0 -45 C -1.5 +25 C +90 C -2 0.5 o o o -5 1.0 1.5 2.0 2.5 -10 0.5 1.0 1.5 2.0 2.5 Frequency (GHz) Frequency (GHz) IDD vs. Ambient Temperature 25 ( VCTL1=1.8V, VCTL2=0V ) 25 ICTL vs. Ambient Temperature V 20 V V CTL1 CTL1 CTL1 V =1.5V DD DD DD =1.3V =1.8V =2.7V 20 V =2.7V V =3V 15 Current ICTL (A) 0 50 o Current IDD (A) 15 10 10 5 5 0 -50 100 0 -50 0 50 o 100 Ambient Temperature ( C ) Ambient Temperature ( C ) Switching Time vs. Ambient Temperature 3 ( VDD=2.7V ) Switching Time (sec) 2.5 2 1.5 1 0.5 0 -50 0 50 o 100 Ambient Temperature ( C ) -5- NJG1655SCC ! APPLICATION CIRCUIT CTL1 CTL2 0/1.8V 0/1.8V C7 56pF P3A C8 56pF P3B CTL1 CTL2 20 1 P2A 19 18 17 16 VDD DECODER 15 14 13 12 11 C9 1000pF VDD 2.7V 2 3 C6 56pF PCA C1 56pF P2B 4 5 6 P1B PCB C5 56pF C2 56pF 7 P1A 8 9 10 C4 56pF C3 56pF ! PARTS LIST PART ID C1~C8 C9 Value 56pF 1000pF Notes MURATA (GRM15) -6- NJG1655SCC ! TEST PCB LAYOUT (TOP VIEW) P3A P3B Losses of PCB, capacitors and connectors Frequency CTL1 Loss 0.31dB 0.53dB P2A C7 1GHz PCA C8 CTL2 VDD C9 2GHz C6 GND C1 PCB SIZE=26 x 26mm PCB: FR-4, t=0.2mm STRIPLINE WIDTH=0.4mm C5 C3 C4 C2 P2B PCB P1B P1A PRECAUTIONS [1] The DC blocking capacitors (C1~C8) must be placed at all RF terminals (PCA, PCB, P1A, P1B, P2A, P2B, P3A and P3B). [2] The bypass capacitor (C9) should be placed as close as VDD terminal. [3] Please layout ground pattern right under this IC to avoid degradation of isolation or high power characteristics.. -7- NJG1655SCC ! PACKAGE OUTLINE (PCSP20-CC) 2.7 0.08 0.01 0.05 0.25 + 0.05 -0 C 0. 14 0.05 0.8 0.1 2.7 0.08 Terminal Treat Substrate Molding Material Weight Unit :Au :FR4 :Epoxy resin :14.5mg :mm 1.2 0.35 1.2 0.2 0.45 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. -8- |
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