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| NJG1544HC3 2x2 Antenna SWITCH GaAs MMIC GENERAL DESCRIPTION NJG1544HC3 is a 2x2 antenna switch IC designed for the IEEE 802.11b or 802.11g (2.4GHz band) wireless LAN application. This device includes logic decoder function, and can be operated by 2 bits signal to control Tx/Rx and ANT1/ANT2 switching. This switch features high isolation and low loss. The ultra small & ultra thin USB10-C3 package is adopted. FEATURES Single low voltage control Low insertion loss High isolation Handling power (TX port) Low current consumption Ultra small & ultra thin package PIN CONFIGURATION USB10-C3 Type (TOP VIEW) 5 6 D E C O D E R PACKAGE OUTLINE NJG1544HC3 +2.5~+5.5V 0.35dB typ. @TX-ANT2,f=2.5GHz, PIN=20dBm 0.50dB typ. @RX-ANT1,RX-ANT2,f=2.5GHz, PIN=10dBm 23dB typ. @f=2.5GHz, PIN=20dBm 28dBm max. @f=2.5GHz, VDD=2.7V 120uA typ. @f=2.5GHz USB10-C3 (Package size: 1.5x2.0x0.75mm) 4 7 3 8 2 9 10 1 1 2 3 4 5 6 7 8 9 10 ANT1 CTL1 CTL2 ANT2 GND TX GND VDD RX GND TRUTH TABLE "H"=VCTL(H) "L"=VCTL(L) "X"="H" or "L" (Don't care) PASS RX-ANT2 RX-ANT1 TX-ANT2 CONTROL SIGNAL CTL1 CTL2 L L L H H X -1- NJG1544HC3 ABSOLUTE MAXIMUM RATINGS PARAMETER Input Power Supply Voltage Control Voltage Power Dissipation Operating Temp. Storage Temp. SYMBOL Pin VDD VCTL PD Topr Tstg CONDITIONS TX, ANT2 Terminal, VDD=2.7V, VCTL=0/2.7V RX, ANT1 Terminal, VDD=2.7V, VCTL=0/2.7V VDD Terminal CTL1, CTL2 Terminal At on PCB board RATINGS 30 25 7.5 7.5 135 -40~+85 -55~+125 UNITS dBm dBm V V mW C C ELECTRICAL CHARACTERISTICS General conditions: VDD=2.7V, VCTL=0/2.7V, ZS=Zl=50, Ta=25C Tested on PCB circuit as shown below. Insertion loss of each connectors, striplines, and capacitors are excluded. PARAMETERS Supply voltage Operating current Control voltage (LOW) Control voltage (HIGH) Control current Insertion loss 1 Insertion loss 2 Isolation 1 Isolation 2 Pin at 1dB compression point VSWR Switching time SYMBOL VDD IDD VCTL (L) VCTL (H) ICTL LOSS1 LOSS2 ISL1 ISL2 P-1dB VSWR TSW f=2.5GHz TX-ANT2, f=2.5GHz, PIN=20dBm RX-ANT1, RX-ANT2, f=2.5GHz, PIN=10dBm TX-ANT2, f=2.5GHz, Pin=20dBm RX-ANT1, RX-ANT2, f=2.5GHz, Pin=10dBm TX-ANT2, f=2.5GHz f=0.1~2.5GHz, ON State f=0.1~2.5GHz f=2.5GHz CONDITIONS MIN 2.5 0 2.0 20 20 26 TYP 2.7 120 30 0.35 0.5 23 23 28 1.1 200 MAX 5.5 150 0.8 VDD 40 0.65 0.8 1.3 300 ns UNITS V uA V V uA dB dB dB dB dBm -2- NJG1544HC3 TERMINAL INFORMATION No. 1 2 3 4 5 6 7 8 SYMBOL ANT1 CTL1 CTL2 ANT2 GND TX GND VDD DC voltage (VDD). Control voltage input terminal. This terminal is set to High-Level (+2V~VDD) or Low-Level (0~+0.8V). Control voltage input terminal. This terminal is set to High-Level (+2V~VDD) or Low-Level (0~+0.8V). RF transmitting/receiving port. An external capacitor of 56pF is required to block DC voltage (VDD) . Ground terminal. Please connect this terminal with ground plane as close as possible for excellent RF performance. RF transmitting port. An external capacitor of around 56pF is required to block DC voltage (VDD). Ground terminal. Please connect this terminal with ground plane as close as possible for excellent RF performance. Positive voltage supply terminal. The positive voltage (+2.5~+5.5V) have to be supplied. Please connect a bypass capacitor with GND terminal for excellent RF performance. RF receiving port. An external capacitor of around 56pF is required to block DC voltage (VDD) . Ground terminal. Please connect this terminal with ground plane as close as possible for excellent RF performance. DESCRIPTION RF receiving port. An external capacitor of around 56pF is required to block 9 10 RX GND -3- NJG1544HC3 ELECTRICAL CHARACTERISTICS (f=0.1~3.0GHz, with Application circuit, Losses of external circuit are excluded) RX-ANT2 Insertion Loss vs. Frequency (RX-ANT2 ON, VDD=2.7V, Pin=0dBm) 0.0 0 RX-ANT2 Isolation vs. Frequency (TX-ANT2 ON, VDD=2.7V, Pin=0dBm) Insertion Loss (dB) -10 -0.5 Isolation (dB) -20 -1.0 -30 -1.5 -40 -2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) RX-ANT1 Insertion Loss vs. Frequency (RX-ANT1 ON, VDD=2.7V, Pin=0dBm) 0.0 0 RX-ANT1 Isolation vs. Frequency (RX-ANT2 ON, VDD=2.7V, Pin=0dBm) Insertion Loss (dB) -10 -0.5 -20 -1.0 -30 -1.5 -40 -2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) TX-ANT2 Insertion Loss vs. Frequency (TX-ANT2 ON, VDD=2.7V, Pin=0dBm) 0.0 0 TX-ANT2 Isolation vs. frequency (RX-ANT2 ON, VDD=2.7V, Pin=0dBm) Insertion Loss (dB) -10 -0.5 Isolation (dB) 0.5 1.0 1.5 2.0 2.5 3.0 -20 -1.0 -30 -1.5 -40 -2.0 0.0 -50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) -4- NJG1544HC3 ELECTRICAL CHARACTERISTICS (f=0.1~3.0GHz, with Application circuit, Losses of external circuit are excluded) RX-ANT2 VSWR vs. Frequency (RX-ANT2 ON, ANT2 port, VDD=2.7V) 2.0 Switching Speed (RX-ANT2 ON, VDD=2.7V) 1.8 VSWR 1.6 209ns 1.4 1.2 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) 50ns/div RX-ANT1 VSWR vs. Frequency (RX-ANT1 ON, ANT1 port, VDD=2.7V) 2.0 Switching Speed (RX-ANT1 ON, VDD=2.7V) 1.8 VSWR 1.6 192ns 1.4 1.2 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) 50ns/div TX-ANT2 VSWR vs. Frequency (TX-ANT2 ON, TX port, VDD=2.7V) 2.0 Switching Speed (TX-ANT2 ON, VDD=2.7V) 1.8 VSWR 1.6 189ns 1.4 1.2 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) 50ns/div -5- NJG1544HC3 ELECTRICAL CHARACTERISTICS (f=0.1~3.0GHz, with Application circuit, Losses of external circuit are excluded) Output Power, IDD vs. Input Power (TX-ANT2 ON, fin=2.5GHz) 30 160 0 RX-ANT2 Isolation vs. Frequency (TX-ANT2 ON, VDD=2.7V, Pin=0dBm) Output Power (dBm) -10 25 150 IDD (uA) Isolation (dB) -20 20 140 -30 15 130 -40 10 14 16 18 20 22 24 26 28 30 120 -50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Input Power (dBm) Frequency (GHz) Output Power, IDD vs. Input Power (TX-ANT2 ON, fin=960MHz) 30 160 0.0 Insertion Loss vs. Input Power (TX-ANT2 ON, fin=960MHz) -0.5 Output Power (dBm) 25 150 Insertion Loss (dB) -1.0 IDD (uA) 20 140 -1.5 -2.0 15 130 -2.5 -3.0 16 18 20 22 24 26 28 30 32 10 16 18 20 22 24 26 28 30 32 120 Input Power (dBm) Input Power (dBm) Output Power, IDD vs. Input Power (TX-ANT2 ON, fin=2.5GHz) 35 VDD=2.5V VDD=2.7V VDD=3.0V VDD=3.5V VDD=4.5V VDD=5.5V Insertion Loss vs. Input Power (TX-ANT2 ON, fin=2.5GHz) 600 0.0 Output Power (dBm) Insertion Loss (dB) 30 500 -0.5 -1.0 25 400 IDD (uA) -1.5 20 300 -2.0 15 200 -2.5 -3.0 14 16 VDD=2.5V VDD=2.7V VDD=3.0V VDD=3.5V VDD=4.5V VDD=5.5V 10 14 16 18 20 22 24 26 28 30 32 34 100 18 20 22 24 26 28 30 32 34 Input Power (dBm) Input Power (dBm) -6- NJG1544HC3 APPLICATION CIRCUIT GND TX 5 C3 6 D E C O D E R C1 ANT2 4 GND 7 3 C6 CTL2(0V/2.7V) VDD(2.7V) C5 RX CTL1(0V/2.7V) 2 C7 ANT1 8 9 C4 10 GND NJG1544HC3 1 C2 Parts List Parts number C1~C4 C5~C7 List 1 56pF 10pF Notes GRM36 MURATA GRM36 MURATA RECOMMENDED PCB DESIGN C6 C7 PCB SIZE=26x26 mm PCB:FR4 t=0.5mm CAPACITOR: size 1005 Microstrip Line Width=1.0mm (Zo=50ohm) PRECAUTIONS [1] The DC blocking capacitors have to be placed at RF terminal of Tx, Rx, ANT1 and ANT2. Please choose appropriate capacitance values to the application frequency. [2] To reduce stlipline influence on RF characteristics, please locate bypass capacitors (C5) close to VDD terminals. [3] For good isolation, the GND terminal (7th pin) must be placed possibly close to ground plane of substrate, and through holes for GND should be placed near by the pin connection. -7- NJG1544HC3 PACKAGE OUTLINE (USB10-C3) (TOP VIEW) (SIDE VIEW) 1pin INDEX 0.0380.01 0.140.05 0.75 0.80.05 2.00.05 0.50.1 0.50.1 0.50.1 R0.075 1 2 3 4 0.20.1 1.50.05 0.30.05 10 0.30.1 5 0.20.1 TERMINAL TREAT PCB Molding material UNIT WEIGHT :Au :FR5 : Epoxy resin :mm :15mg 9 0.20.05 8 7 6 0.20.05 (BOTTOM 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. [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 This product may be damaged with electric static discharge (ESD) or spike voltage. Please handle with care to avoid these damages. -8- |
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