RFSW112 Broadband SPDT Switch RFSW112 BROADBAND SPDT SWITCH Package: QFN, 12-Pin, 2mm x 2mm x.55mm GND RF2 GND 12 11 1 Features 5MHz to 6MHz Operation 5 or 75 Applications Low Insertion Loss:.3dB at 198MHz High Isolation: 37dB at 2GHz High IP3: >75dBm at 2GHz Compatible with Low Voltage Logic (V HIGH Minimum = 1.3V) No External DC Blocking Capacitors Required on RF Paths Unless DC is Applied Externally 2V HBM ESD Rating on All Ports CTB/CSO: >1dBc (41dBmV/ch., 137 Channels) Applications Cellular BTS CATV, SATV Applications Post PA Switching General Purpose Switching Applications GND RFC GND Product Description 1 2 3 4 5 6 GND RF1 GND Functional Block Diagram 9 8 7 VDD EN CTRL The RFSW112 is a single-pole double-throw (SPDT) switch designed for applications requiring very low insertion loss and high power handling capability. The excellent linearity performance of the RFSW112 makes it ideal for use in Cellular BTS applications. This switch is ideally suited for use in CATV and SATV applications. The RFSW112 is packaged in a compact 2mm x 2mm x.55mm, 12-pin, QFN package. Ordering Information RFSW112SQ 25-Piece sample bag RFSW112SR 7" Sample reel with 1 pieces RFSW112TR7 7" Reel with 25 pieces RFSW112PCK-411 5 PCBA with 5-piece sample bag RFSW112PCK-41 75 PCBA with 5-piece sample bag Optimum Technology Matching Applied GaAs HBT SiGe BiCMOS GaAs phemt GaN HEMT GaAs MESFET Si BiCMOS Si CMOS BiFET HBT InGaP HBT SiGe HBT Si BJT SOI RF MICRO DEVICES, RFMD, Optimum Technology Matching, Enabling Wireless Connectivity, PowerStar, POLARIS TOTAL RADIO and UltimateBlue 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. 212, RF Micro Devices, Inc. DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 1 of 13
RFSW112 Absolute Maximum Ratings Parameter Rating Unit Maximum V DD 6. V Maximum EN 3. V Maximum CTRL 3. V Hot-Switching Max Input 2 dbm Power (5 load) Max Input Power 31dBm: 5MHz to 25MHz, 5 load 34dBm: 25MHz to 5MHz, 5 load 37dBm: >5MHz, 5 load 36dBm: >5MHz, 6:1 VSWR dbm Operating Temperature -4 to +85 C (T CASE ) Storage Temperature -4 to +15 C ESD Rating (HBM) Class 2 Moisture Sensitivity Level MSL-2 Parameter Specification Min. Typ. Max. Unit 5 Performance Using SW112-411(A) EVB Operational Frequency Range 5 6 MHz Condition Nominal Test Conditions Unless Otherwise Stated: V DD = 3V, T =, All RF ports terminated in 5 Insertion Loss (RFC to RF1/RF2).25.4 db 915MHz.3.45 db 198MHz.4 db 265MHz.75 db 585MHz Isolation (RFC to RF1/RF2) 38 45 db 915MHz 33 37 db 198MHz 29 33 db 265MHz 21 db 585MHz Isolation (RF1 to RF2) 37 42 db 915MHz 31 35 db 198MHz 28 32 db 265MHz 21 db 585MHz Return Loss (On-State) >15 db 5MHz to 6GHz Input IP3 75 dbm 2.2GHz, 24dBm per tone, 1MHz spacing Input IP2 129 dbm Tone 1: 836.5MHz at +26dBm; Tone 2: 1718MHz at -2dBm; Rx Freq: 881.5MHz 129 dbm Tone 1: 188MHz at +26dBm; Tone 2: 384MHz at -2dBm; Rx Freq: 196MHz Spurious Output <-15 dbm Freq >5MHz, all ports terminated, no RF Inputs <-1 dbm Freq <5MHz, all ports terminated, no RF Inputs 9MHz Second Harmonic -95-75 dbc P IN = 35dBm 9MHz Third Harmonic -9-75 dbc 18MHz Second Harmonic -95-75 dbc P IN = 33dBm 18MHz Third Harmonic -9-75 dbc Max Operational Input Power 3 dbm 5MHz to 25MHz, 5 load 33 dbm 25MHz to 5MHz, 5 load 36 dbm >5MHz, 5 load 2 of 13 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. DS1481
RFSW112 Parameter Specification Min. Typ. Max. 75 Performance Using SW112-41(A) EVB Operational Frequency Range 5 25 MHz Nominal Test Conditions Unless Otherwise Stated: V DD = 3V, T =, All RF ports terminated in 75 Insertion Loss (RFC to RF1/RF2).15 db 5MHz.2 db 2MHz.3.45 db 915MHz.35.5 db 198MHz.4 22MHz Isolation (RFC to RF1/RF2) 7 db 5MHz 5 db 2MHz 36 db 915MHz 28 db 198MHz 26 db 22MHz Isolation (RF1 to RF2) >7 db 5MHz >7 db 2MHz 48 db 915MHz 34 db 198MHz 32 db 22MHz Return Loss (On-State) >15 db Freq <12MHz >13 db 12MHz < Freq < 25MHz CSO >1 dbc 41dBmV/ch, 137 channels) CTB >1 dbc XMOD >9 dbc Max Operational Input Power 3 dbm 5MHz to 25MHz, 75 load 33 dbm 25MHz to 5MHz, 75 load 36 dbm >5MHz, 75 load Power Supply Device Voltage, V DD 2.7 3 4.6 V Leakage Current, I DD 1 2 A EN = High 14 2 A EN = Low Control Voltage (EN, CTRL) 1.3 1.8 2.7 V.45 V Control Current 2.5 5 A CTRL = High, EN = High 1 3 A CTRL = Low, EN = High Switching Speed (T ON, T OFF ) 2 5 s 5% Control to 1/9% RF Unit Condition DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 3 of 13
RFSW112 Scenario 1 Power Up Power Down Scenario 2 Power Up Power Down Scenario 3 Switching Ports Power Up / Power Down and Operational Controls Description Sequence for power up and power down from the phone battery or supply that is connected to RFSW112 VBATT Pin. Turn on VBATT (supply), then EN, the CTRL. Then (2 S or greater), apply RF signal Turn off RF signal, then CTRL, then EN, turn off VBATT (supply) Sequence for going in and out of a shutdown mode, keeping the VBATT or supply on, but disabling / enabling the RFSW112 by the EN pin Turn on EN (enable), then CTRL, then (5 S or greater), turn on RF Signal Turn off RF signal, then CTRL, then EN (disable) When changing switch positions between RF1 and RF2, no RF signal should be applied to any RF port while the CTRL is changing states Turn on RF signal, then change CTRL state, then (5 S or greater), turn off RF signal DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 4 of 13
RFSW112 Typical Performance: 5 Evaluation Board Insertion Loss versus Frequency Insertion Loss over Temperature (RFC-RF1) -.2 -.2 -.4 -.4 -.6 -.6 Insertion Loss (db) -.8-1 -1.2 Insertion Loss (db) -.8-1 -1.2-1.4-1.4-1.6 RFC-RF1-1.6-1.8 RFC-RF2-2 1 2 3 4 5 6-4 C -1.8-2 1 2 3 4 5 6 Return Loss versus Frequency (On-State) Return Loss over Temperature (RFC) -5 RFC RF1 RF2-5 -4 C -1-1 Return Loss (db) -15-2 Return Loss (db) -15-2 -25-25 -3 1 2 3 4 5 6-3 1 2 3 4 5 6 Isolation versus Frequency Isolation over Temperature (RFC-RF1) -1-1 -2-2 Isolation (db) -3-4 Isolation (db) -3-4 -5-5 -6 RFC-RF1 RFC-RF2 RF1-RF2-6 -4 C -7 1 2 3 4 5 6-7 1 2 3 4 5 6 DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 5 of 13
RFSW112 Typical Performance: 5 Evaluation Board 8 IP3 versus Frequency (24dBm Tones, 1MHz Spacing) 8 IP3 over Temperature (24dBm Tones, 1MHz Spacing) 78 78 76 76 74 74 IP3 (dbm) 72 7 68 IP3 (dbm) 72 7 68 66 66 64 62 IP3 data is limited by the dynamic range of the test system. RF1 RF2 64 62 IP3 data is limited by the dynamic range of the test system. -4 C 6.7.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 6.7.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 Insertion Loss versus Frequency and Power, Insertion Loss versus Power over Temperature, 25MHz -.1 -.1 -.2 -.2 Insertin Loss (dbm) -.3 -.4 -.5 -.6 -.7 5MHz 25MHz -.8 5MHz 88MHz -.9 22MHz 25MHz -1 15 18 21 24 27 3 33 36 39 42 45 Input Power (dbm) Insertion Loss (dbm) -.3 -.4 -.5 -.6 -.7 -.8 -.9-4 C -1 15 18 21 24 27 3 33 36 39 42 45 Input Power (dbm). -.1 -.2 EVB THRU Performance, This THRU insertion loss has been deembedded from the SW112 plots and tabular data. -3-6 -.3-9 Insertion Loss (db) -.4 -.5 -.6-12 -15-18 Return Loss (db) -.7 -.8 -.9 IL RL -21-24 -27-1. -3 1 2 3 4 5 6 6 of 13 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. DS1481
RFSW112 Typical Performance: 75 Evaluation Board. Insertion Loss versus Frequency. Insertion Loss over Temperature (RFC-RF1) -.2 -.2 -.4 -.4 -.6 -.6 Insertion Loss (db) -.8-1. -1.2 Insertion Loss (db) -.8-1. -1.2-1.4-1.4-1.6 RFC-RF1-1.6-1.8 RFC-RF2-1.8-4 C -2...5 1. 1.5 2. 2.5-2...5 1. 1.5 2. 2.5 Return Loss versus Frequency (On State) Return Loss over Temperature (RFC) -5 RFC RF1 RF2-5 -4 C -1-1 Return Loss (db) -15-2 Return Loss (db) -15-2 -25-25 -3..5 1. 1.5 2. 2.5-3..5 1. 1.5 2. 2.5 Isolation versus Frequency Isolation versus Temperature (RFC-RF1) -1-1 -2-2 Isolation (db) -3-4 Isolation (db) -3-4 -5-5 -6 RFC-RF1 RFC-RF2 RF1-RF2-6 -4 C -7..5 1. 1.5 2. 2.5-7..5 1. 1.5 2. 2.5 DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 7 of 13
RFSW112 Typical Performance: 75 Evaluation Board 115 CTB versus Temperature (3V, 137 Ch., 41dBmV) 115 CSO Upper versus Frequency (3V, 137 Ch., 41dBmV) 11 11 CTB (dbc) 15 1 95 CSO Upper (dbc) 15 1 95 9-4 C 9-4 C 85..1.2.3.4.5.6.7.8.9 1. 85.1.2.3.4.5.6.7.8.9 1 115 CSO Lower versus Frequency (3V, 137 Ch., 41dBmV). -.2 EVB THRU Performance, -3 11 -.4 IL RL -6 -.6-9 CSO Lower (dbc) 15 1 95 Insertion Loss (db) -.8-1. -1.2-1.4 This THRU insertion loss has been deembedded from the SW112 plots and tabular data. -12-15 -18-21 Return Loss (db) 9-4 C -1.6-1.8-24 -27 85.1.2.3.4.5.6.7.8.9 1-2. -3..5 1. 1.5 2. 2.5 8 of 13 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. DS1481
RFSW112 Evaluation Board Schematic Description Evaluation Board Bill of Materials (BOM) Reference Designator Manufacturer Manufacturer s P/N 5Ω PCB, SW112-411 SW112-411(A) CAP, 1pF, 1%, 25V, X7R, 42 C1 Murata Electronics GRM155R71E13KA1D CAP, 1pF, 5%, 5V, CG, 42 C2-C3 Taiyo Yuden (USA), Inc. RM UMK15CG11JV-F CONN, SMA, END LNCH, MINI, FLT,.68" J1-J3 Emerson Network Power 142-741-851 CONN, HDR, ST, PLRZD, 5-PIN,.1" P1 ITW Pancon MPSS1-5-C SPDT MMIC Switch U1 RFMD For 75Ω applications use the following PCB and RF connector: 75Ω PCB, SW112-41 SW112-41(A) CONN, F, FEM EDGE MOUNT, 75Ω,.68" J1- J3 Millimeter Wave Technologies MW-846-C-DD-75 DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 9 of 13
RFSW112 5 Evaluation Board Assembly Drawing 75 Evaluation Board Assembly Drawing 1 of 13 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. DS1481
RFSW112 Control Logic for Valid Operational States State V DD CTRL EN RF Path 1 2.7V to 4.6V V HIGH V HIGH ANT-RF2 2 2.7V to 4.6V V LOW V HIGH ANT-RF1 Shutdown 2.7V to 4.6V Don t Care V LOW Shutdown Pin Names and Descriptions Pin Name Description 1 GND No-connect internal, recommend GND at the EVB level. 2 RFC Single-ended RF port. 3 GND No-connect internal, recommend GND at the EVB level. 4 GND Ground. 5 RF1 Single-ended RF port. 6 GND Ground. 7 CTRL Switch logic control input. 8 EN Shutdown logic control input. 9 VDD Supply voltage. 1 GND Ground. 11 RF2 Single-ended RF port. 12 GND Ground. EPAD GND Ground. Must be soldered to EVB GND over one or more vias. Pin Out DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 11 of 13
RFSW112 Package Drawing (Dimensions in millimeters) 12 of 13 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. DS1481
RFSW112 Branding Diagram (Dimensions in millimeters) DS1481 7628 Thorndike Road, Greensboro, NC 2749-9421 For sales or technical support, contact RFMD at (+1) 336-678-557 or customerservice@rfmd.com. 13 of 13
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