DATA SHEET SKY13523-639LF: 0.7 to 3.0 GHz High-Isolation SP3T Switch Applications CDMA/WCDMA/TD-SCDMA/LTE single-ended filter switching RF1 Features Broadband frequency range: 0.7 to 3.0 GHz High isolation: >45 dB @ 2.0 GHz Low insertion loss: 0.5 dB typical @ 2.0 GHz RF2 RFC RF3 Small QFN (14-pin, 1.6 x 1.6 mm) package (MSL1, 260 C per JEDEC J-STD-020) Logic and Supply V2 V1 VDD S3401a Skyworks GreenTM products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of GreenTM, document number SQ04–0074. Figure 1. SKY13523-639LF Block Diagram Description The SKY13523-639LF is a single pole, triple-throw (SP3T) switch used for single-ended filter switching in cellular applications. The SKY13523-639LF maintains low insertion loss and high isolation for all switching paths. Depending on the logic voltage level applied to the control pins (V1 and V2), the RFC pin is connected to one of three switched RF outputs (RF1 to RF3) using a low insertion loss path, while the paths between the RFC pin and the other RF pins are in a high isolation state. The SKY13523-639LF is manufactured in a compact, 14-pin 1.6 x 1.6 mm, Quad Flat No-Lead (QFN) package. A functional block diagram is shown in Figure 1. The pin configuration and package are shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table 1. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202834B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 21, 2015 1 RF1 GND RF2 DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH 14 13 12 GND RFC 2 10 V1 VDD 3 9 V2 GND 4 8 N/C 5 6 7 RF3 11 GND 1 N/C GND S3403a Figure 2. SKY13523-639LF Pinout – 14-Pin QFN (Top View) Table 1. SKY13523-639LF Signal Descriptions (Note 1) Pin Name Description Pin Name Description 1 GND Ground 8 N/C Not connected 2 RFC Antenna port. No DC blocking capacitor required. 9 V2 Control voltage 2 3 VDD DC power supply 10 V1 Control voltage 1 4 GND Ground 11 GND Ground 5 N/C Not connected 12 RF2 RF input/output port 2. DC blocking capacitor required. 6 GND Ground 13 GND Ground 7 RF3 RF input/output port 3. DC blocking capacitor required. 14 RF1 RF input/output port 1. DC blocking capacitor required. Note 1: Bottom ground paddles must be connected to ground. Functional Description Electrical and Mechanical Specifications The SKY13523-639LF includes an internal decoder and internal blocking capacitors on the RF common ports. External DC blocking capacitors are required on the RF1, RF2, and RF3 ports for proper operation. DC decoupling capacitors may be added on the VDD and control lines if necessary. The absolute maximum ratings of the SKY13523-639LF are provided in Table 2. Electrical specifications are provided in Table 3. The state of the SKY13523-639LF is determined by the logic shown in Table 4. Switching is controlled by two control voltage inputs, V1 and V2. Depending on the logic voltage level applied to the control pins, the antenna pin is connected to one of three switched RF outputs. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 2 August 21, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202834B DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH Table 2. SKY13523-639LF Absolute Maximum Ratings (Note 1) Parameter Symbol Supply voltage VDD Control voltage (V1,V2) VCTL RF input power PIN Minimum Maximum Units 3.7 V –0.5 +3.3 V +26 dBm Operating temperature TOP –30 +90 C Storage temperature TSTG –55 +150 C Note 1: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device. CAUTION: Although this device is designed to be as robust as possible, electrostatic discharge (ESD) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. Table 3. SKY13523-639LF General Electrical Specifications (Note 1) (VDD = 3.3 V, V1 = V2 = High = 1.8 V, PIN = 0 dBm, TOP = +25 C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted) Parameter Test Condition (Note 2) Symbol Min Typical Max Units 3.3 V 35 65 μA 1.80 3.30 0.45 V V 10 μA 0.85 0.95 1.0 dB dB dB DC Specifications Supply voltage VDD 2.5 Supply current IDD Control voltage: High Low VCTL_H VCTL_L Control current ICTL V1 = V2 = 1.8 V, VDD = 3.3 V Insertion loss (RFC pin to RF1/2/3 pins) IL 704 to 960 MHz 1710 to 2170 MHz 2300 to 2690 MHz Isolation (RFC pin to RF1/2/3 pins) Iso 704 to 960 MHz 1710 to 2170 MHz 2300 to 2690 MHz Voltage standing wave ratio, all ports VSWR 0.7 to 3.0 GHz, referenced to 50 Ω VDD = 3.3 V 1.35 0 RF Specifications 0.65 0.75 0.8 50 48 48 dB dB dB 1.4 – +32 dBm 0.7 to 3.0 GHz, all RF ports, fo = 0.8 to 3.0 GHz, Δf = 1 MHz, PIN = +20 dBm/tone +56 dBm Turn-on/turn-off time Measured from 50% of final VDD supply voltage to final RF power ±1 dB 400 550 ns Switching speed Measured from 50% of final VCTRL voltage to final RF power ±1 dB 500 650 ns 0.1 dB input compression point (RFC pin to RF1/2/3 pins) IP0.1dB Third order input intercept point IIP3 47 45 45 0.7 to 3.0 GHz Note 1: Performance is guaranteed only under the conditions listed in this table. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202834B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 21, 2015 3 DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH Table 4. SKY13523-639LF Control Logic Note: VDD (Pin 3) V1 (Pin 10) V2 (Pin 9) 1 1 0 RFC to RF1 1 0 0 RFC to RF2 1 0 1 RFC to RF3 Insertion Loss Path “1” = 1.8 V; “0” = 0 V. Any state other than that described in this Table places the switch into an undefined state. An undefined state will not damage the device. Evaluation Board Description Package and Handling Information The SKY13523-639LF Evaluation Board is used to test the performance of the SKY13523-639LF SP3T Switch. An Evaluation Board schematic diagram is provided in Figure 3. An assembly drawing for the Evaluation Board is shown in Figure 4. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. Package Dimensions The PCB layout footprint for the SKY13523-639LF is provided in Figure 5. Typical part markings are shown in Figure 6. Package dimensions for the 14-pin QFN are shown in Figure 7, and tape and reel dimensions are provided in Figure 8. The SKY13523-639LF is rated to Moisture Sensitivity Level 1 (MSL1) at 260 C. It can be used for lead or lead-free soldering. For additional information, refer to the Skyworks Application Note, Solder Reflow Information, document number 200164. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 4 August 21, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202834B DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH RF1 GND C4 47 pF 14 RF1 1 13 GND RF2 12 C5 47 pF RF2 GND GND 11 DCH1 Header 4 GND GND GND 2 RFC 3 C1 10 nF RFC V1 VDD V2 10 3 V1 2 V2 9 1 VDD 4 GND GND N/C N/C GND RF3 5 6 7 8 X RF3 C3 47 pF X GND Y2274 Figure 3. SKY13523-639LF Evaluation Board Schematic RFC RF1 RF3 RF2 C1 = 10 nF C2, C3, C4, C5 = 47 pF VDD V2 V1 GND Y2275 Figure 4. SKY13523-639LF Evaluation Board Assembly Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202834B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 21, 2015 5 DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH 14X 0.200 Pin 14 4X 0.180 x 0.075 4X 0.152 x 0.064 Pin 1 Indicator 0.22 x 0.22 Exposed Soldering Area Pin 1 0.400 Pitch 3X 1.944 2X 0.370 14X 0.200 4X 0.345 10X 0.400 2X 0.370 4X 1.944 Y2277 All dimensions are in millimeters Figure 5. SKY13523-639LF PCB Layout Footprint (Top View) Pin 1 Indicator Skyworks Part Number SKY 3523 Y2276 Figure 6. Typical Part Markings (Top View) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 6 August 21, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202834B DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH Seating Plane C 1.60 A 0.40 Pitch Exposed Pad See Detail A B Pin 1 Indicator 0.02 +0.03 –0.02 12 See Detail B 1.60 14 11 R0.22 Pin 1 Indicator 1 0.74 +0.1 –0.15 20° 8 0.05 C 2X 2X 0.45 +0.05 –0.04 0.10 C 0.05 C Top View 4 7 See Detail C 14X 0.200 Min 14X 3 0.08 C 0.10 0.20 5 0.74 +0.1 –0.15 Side View Bottom View 0.163 ± 0.05 0.150 Typ R0.05 Typ. 0.150 Typ 0.18 ± 0.05 0.2 ± 0.05 R0.05 Typ 0.18 ± 0.05 0.150 Typ 0.2 ± 0.05 R0.05 Typ 5 0.18 ± 0.05 0.05 M C Detail A Scale: 100X 1X This Rotation 1X Rotated 180° 0.2 ± 0.05 R0.05 Typ 0.10 M C A B Detail B Scale: 100X 1X This Rotation 1X Rotated 180° 1X Mirrored 1X Mirrored 180° Notes: 1. 2. 3. 4. 5. All measurements are in millimeters. Dimensions and tolerances according to ASME Y14.5M-1994. Coplanarity applies to the terminals and all other bottom surface metallization. Plating requirement per source control drawing (SCD) 2504. Dimension applies to metallized terminal. If the terminal has a radius on its end, the width dimension should not be measured in that radius area. 5 0.10 M C A B 0.18 ± 0.05 0.05 M C Detail C Scale: 100X 1X This Rotation 1X Rotated 180° 1X Rotated 90° CW 1X Rotated 90° CCW S3402 Figure 7. SKY13523-639LF 14-Pin QFN Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202834B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 21, 2015 7 DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH 2.00 ± 0.05 ϕ1.50± 0.10 4.00 ± 0.10 0.20 ± 0.02 (T) 1.75 ± 0.10 Pin 1 1.78 ± 0.05 (Bo) B A A 8.00 +0.30/–0.10 3.50 ± 0.05 5o Max B 0.69 ± 0.05 (Ko) ϕ0.50± 0.05 B 5o Max Notes: 1. 2. 3. 4. 5. 1.78 ± 0.05 (Ao) Carrier tape: black conductive polycarbonate. Cover tape material: transparent conductive PSA. Cover tape size: 5.4 mm width. All measurements are in millimeters. ESD surface resistivity is ≤1 x 108 Ohms/square per EIA, JEDEC tape and reel specification. A S1382 Figure 8. SKY13523-639LF Tape and Reel Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 8 August 21, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 202834B DATA SHEET • SKY13523-639LF: HIGH-ISOLATION SP3T SWITCH Ordering Information Model Name SKY13523-639LF: 0.7 to 3.0 GHz High Isolation SP3T Switch Manufacturing Part Number SKY13523-639LF Evaluation Board Part Number SKY13523-639LF-EVB Copyright © 2013, 2015 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. 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