RFSW2044 RFSW2044DC to 25Ghz SPST pHEMT GaAs Switch DC TO 25GHz SPST pHEMT GaAs SWITCH Package: QFN, 16 pin, 0.8mmx3mmx3mm NC GND RFOut GND 16 15 14 13 NC 1 12 NC NC 2 11 V2 NC 3 10 V1 NC 4 9 NC Features Low Insertion Loss: 2.7dB at 25GHz High Isolation: 41dB at 25GHz Excellent Return Loss 23nS Switching Speed GaAs pHEMT Technology Compact 3mmx3mm QFN package Applications 5 6 7 8 NC GND RFIN GND Broadband Communications Test Instrumentation Fiber Optics Product Description Military Aerospace RFMD's RFSW2044 is a broadband absorptive SPST GaAs microwave monolithic integrated circuit (MMIC) switch designed to operate from DC to 25GHz using the RFMD FD05 0.5m switch process. It features low insertion loss of 2.7dB at 25GHz and high isolation of 41dB at 25GHz while being packaged in a compact low cost 3mm x 3mm QFN package for easy end use assembly. The switch uses complementary control logic of -5/0V and does not require a separate bias supply. Functional Block Diagram Ordering Information RFSW2044 RFSW2044SB RFSW2044PCK-410 5-piece sample bag Evaluation Board Optimum Technology Matching(R) Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT BiFET HBT LDMOS RF MICRO DEVICES(R), RFMD(R), Optimum Technology Matching(R), Enabling Wireless ConnectivityTM, PowerStar(R), POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. (c)2006, RF Micro Devices, Inc. DS100901 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 1 of 11 RFSW2044 Absolute Maximum Ratings Parameter Drain Bias Voltage (VCTRL) RF Port Power Rating Unit -10 VDC +21 dBm Storage Temperature -55 to +150 C Operating Temperature -55 to +85 C ESD JESD22-A114 Human Body Model (HBM) Class 1A (All pads) Parameter Min. Operating Frequency Specification Typ. DC Max. Caution! ESD sensitive device. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. Unit 25 GHz Condition Insertion Loss (0GHz to 5GHz) 1.0 1.3 dB Insertion Loss (5GHz to 10GHz) 1.25 1.6 dB ON State, All Temps ON State, All Temps Insertion Loss (10GHz to 15GHz) 1.6 2.1 dB ON State, All Temps Insertion Loss (15GHz to 20GHz) 1.9 2.5 dB ON State, All Temps Insertion Loss (20 GHz to 25 GHz) 2.7 3.8 dB ON State, All Temps Isolation (DC to 25GHz) 30 45 dB OFF State, All Temps Input Return Loss (DC to 25GHz) 8 20 dB ON State, All Temps Input Return Loss (DC to 25GHz) 5 10 dB OFF State, All Temps Output Return Loss (DC to 25GHz) 8 20 dB ON State, All Temps Output Return Loss (DC to 25GHz) 5 10 dB OIP3 (2GHz to 20GHz) 44 47 dBm 100MHz spacing, 2dBm input, 25 C OIP2 (4GHz to 20GHz) 86 dBm 100MHz spacing, 2dBm input, 25 C 91 OFF State, All Temps Switching Speed 23 28 ns 50% control to 90% RF, All Temps Control Current 6 15 A Sum of all control lines, 25 C Control Voltage 0/-5 2 of 11 V 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS100901 RFSW2044 DS100901 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 3 of 11 RFSW2044 4 of 11 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS100901 RFSW2044 DS100901 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 5 of 11 RFSW2044 6 of 11 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS100901 RFSW2044 Pin 1, 2, 3, 4, 5, 9, 12, 16 6, 8, 13, 15 Function NC 14 RFOut GND Description Interface Schematic No Connect Ground. Grounding via should be located as close as possible to this pin. RF output. These pins are DC coupled and matched to 50 from DC to 25GHz. RFout 50ohm 10, 11 DC DC control for switch operation. Nominal operating voltage is -5V. 2kohm 4.4pF 7 RFIN RF input. This pin is DC coupled and matched to 50 from DC to 25GHz. RFin 50ohm Truth Table High = -5V 0.2V, Low = 0V, 0.2V Control Line V1 High Low DS100901 V2 Low High RF Path RFIn - RFOut ON (low loss) OFF (high isolation) 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 7 of 11 RFSW2044 Package Drawing Maximum Height=1.0mm Dimensional Tolerance=+0.05mm 8 of 11 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS100901 RFSW2044 Application Schematic RFout DC Block* 50 strip 16 15 14 13 1 12 2 11 3 10 4 9 5 6 7 8 V2 Bypass Cap** V1 Bypass Cap** 50 strip DC Block* * Not Required ** Not Required but may be necessary in some applications to maintain noise free control lines. RFin DS100901 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 9 of 11 RFSW2044 Evaluation Board Schematic 10 of 11 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS100901 RFSW2044 Evaluation Board Layout DS100901 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 11 of 11