RFSW2041 RFSW2041DC to 20Ghz SPDT pHEMT GaAs Switch DC TO 20GHz SPDT pHEMT GaAs SWITCH Package: QFN, 16-pin, 0.8mm x 3mm x 3mm V2 V1 GND RF1 16 15 14 13 NC 1 12 GND GND 2 11 NC RFIN 3 10 NC GND 4 9 GND Features Low Insertion Loss: 1.7dB at 20GHz High Isolation: 38dB at 20GHz 20nS Switching Speed GaAs pHEMT Technology Compact 3mm x 3mm QFN Package Applications Broadband Communications Test Instrumentation Fiber Optics Military Aerospace 5 6 7 8 V3 V4 GND RF2 Functional Block Diagram Product Description RFMD's RFSW2041 is a broadband reflective SPDT GaAs microwave monolithic integrated circuit (MMIC) switch designed to operate from DC to 20GHz using the RFMD FD05 0.5m switch process. It features low insertion loss of 1.7dB at 20GHz and high isolation of 38dB at 20GHz 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. Ordering Information RFSW2041S2 RFSW2041SB RFSW2041SQ RFSW2041SR RFSW2041TR7 RFSW2041PCK-410 2-Piece sample bag 5-Piece bag 25-Piece bag 100 Pieces on 7" reel 750 Pieces on 7" reel Evaluation board with a 2-piece sample bag 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 RF MEMS 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. DS120222 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 10 RFSW2041 Absolute Maximum Ratings Parameter Drain Bias Voltage (VCTRL) RF Input Power Rating Unit -10 VDC +30 dBm Storage Temperature -55 to +150 C Operating Temperature -55 to +85 C ESD JESD22-A114 Human Body Model (HBM) Class 1A (All pads) 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. 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. RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a flame retardant, and <2% antimony in solder. Parameter Min. Operating Frequency Specification Typ. DC Max. 20 Unit Condition GHz Insertion Loss (0GHz to 5GHz) 1.1 1.6 dB ON State, All Temps Insertion Loss (5GHz to 10GHz) 1.2 2.2 dB ON State, All Temps Insertion Loss (10GHz to 15GHz) 1.4 2.3 dB ON State, All Temps Insertion Loss (15GHz to 20GHz) 1.7 2.7 dB ON State, All Temps 38 dB ON State, All Temps ON State, All Temps Isolation (DC to 20GHz) 34 Input Return Loss (DC to 20GHz) 12 15 dB Output Return Loss (DC to 20GHz) 11 20 dB OIP3 (2GHz to 20GHz) 34 46 dBm 100MHz spacing, 2dBm input, 25 C OIP2 (4GHz to 20GHz) 80 83 dBm 100MHz spacing, 2dBm input, 25 C ON State, All Temps Switching Speed 20 25 ns 50% control to 90% RF, All Temps Control Current 32 50 A Sum of all control lines, 25 C Control Voltage 0/-5 2 of 10 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. DS120222 RFSW2041 DS120222 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 10 RFSW2041 4 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS120222 RFSW2041 DS120222 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 10 RFSW2041 Pin 1, 10, 11 2, 4, 7, 9, 12, 14 8, 13 5, 6, 15, 16 Function NC GND Description Interface Schematic RF2, RF1 RF output. These pins are DC coupled and matched to 50 from DC to 20GHz. V3, V4, V1, V2 DC control for switch operation. Nominal operating voltage is -5V. No Connect Ground. Grounding via should be located as close as possible to this pin. RFout 2kohm 4.4pF 3 RFIN RF input. This pin is DC coupled and matched to 50 from DC to 20GHz. RFin Truth Table High = -5V 0.2V, Low = 0V, 0.2V Control Line V1 High Low Low 6 of 10 V2 Low High High RF Path V3 High Low High V4 Low High Low RFin to RF1 RFin to RF2 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. DS120222 RFSW2041 Package Drawing Maximum Height=1.0mm Dimensional Tolerance=+0.05mm DS120222 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 10 RFSW2041 Application Schematic RF 1 V1 DC Block* 50 strip Bypass Cap** V2 Bypass Cap** RFin DC Block* 50 strip 16 15 12 2 11 3 10 4 9 6 Bypass Cap** Bypass Cap** ** Not Required but may be necessary in some applications to maintain noise free control lines. 7 8 DC Block* 50 strip V3 8 of 10 13 1 5 * Not Required 14 V4 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. RF 2 DS120222 RFSW2041 Evaluation Board Schematic 2 J3 RF01 13 RF01 14 GND GND GND 12 11 10 9 8 RF02 GND 5 GND 15 RFin 2 1 4 GND GND 3 GND 7 GND 2 GND V4 RFin 1 U1 SW2041 GND V3 HDR_1X5 J1 2 5 4 3 2 1 6 1 P1 V1 V2 16 1 GND GND GND J2 RF02 DS120222 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 10 RFSW2041 Evaluation Board Layout 10 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. DS120222