RFSW2041 RFSW2041DC to 20Ghz SPDT pHEMT GaAs Switch DC TO 20GHz SPDT pHEMT GaAs SWITCH Package: QFN, 16-pin, 0.8mmx3mmx3mm 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 3mmx3mm QFN package Applications 5 6 7 8 V3 V4 GND RF2 Broadband Communications Test Instrumentation Fiber Optics Military Product Description Aerospace 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 3mmx3mm 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 RFSW2041 RFSW2041SB RFSW2041PCK-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. DS100830 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) Parameter Min. Operating Frequency Specification Typ. DC Max. 20 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 Condition GHz Insertion Loss (0GHz to 5GHz) 1.1 1.3 dB ON State, All Temps Insertion Loss (5GHz to 10GHz) 1.2 1.5 dB ON State, All Temps Insertion Loss (10GHz to 15GHz) 1.4 1.8 dB ON State, All Temps Insertion Loss (15GHz to 20GHz) 1.7 2.3 dB ON State, All Temps dB ON State, All Temps Isolation (DC to 20GHz) 32 38 Input Return Loss (DC to 20GHz) 13 15 dB ON State, All Temps Output Return Loss (DC to 20GHz) 14 20 dB ON State, All Temps OIP3 (2GHz to 20GHz) 42 46 dBm 100MHz spacing, 2dBm input, 25 C OIP2 (4GHz to 20GHz) 80 83 dBm 100MHz spacing, 2dBm input, 25 C 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. DS100830 RFSW2041 DS100830 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. DS100830 RFSW2041 DS100830 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. DS100830 RFSW2041 Package Drawing Maximum Height=1.0mm Dimensional Tolerance=+0.05mm DS100830 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 DS100830 RFSW2041 Evaluation Board Schematic DS100830 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. DS100830