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preliminary data sheet
SKY14151-350LF: High-Power Single Pole Four Throw (SP4T) Switch with Decoder
Features
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Functional Diagram
VDD
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Broadband operation (0.1-2.5 GHz) Low insertion loss (0.35 dB @ 1GHz, 0.5 dB @ 2 GHz) with high isolation (29 dB @ 1 GHz) Vdd = 2.5 to 3 V for high-power applications, can be used down to 1.8 V for low-power applications High linearity IMD < -110 dBm Good harmonic performance: < -80 dBc @ 0.9 GHz Low voltage logic compatible( VHIGH Min. = 1.8 V) 3 x 3 mm 16-pin QFN, lead (Pb)-free and RoHS-compliant package Switch uses state-of-the-art GaAs pHEMT process
RF1
RF2 ANT RF3
RF4
V1
V2
Description
The SKY14151 is a symmetrical single pole four throw (SP4T) switch designed for broad band, high power switching applications which demand high linearity and low insertion loss. The switch is manufactured using the Skyworks state of the art pHEMT process. This is a general purpose switch that is optimized for a variety of multimode applications such as GSM/WCDMA/EDGE. The SKY14151 features integrated logic that uses only two control lines for the switch operation. The low current consumption of SKY14151 makes it suitable for battery-operated applications. This part comes in an industry-standard 3 x 3 mm 16-pin QFN package that is lead (Pb)-free and RoHS-compliant.
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Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
preliminary data sheet: Based on engineering results. Sampling quantities available. Pin out and package have been determined.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200983 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 12, 2009
1
preliminary Data Sheet * SKY14151-350LF
Electrical Specifications
TA = 25 C, VDD = 2.5-3 V, VHigH = VDD, all unused RF ports are terminated in a 50 W load, unless otherwise noted
parameter Electrical Characteristics Insertion loss f = 1 GHz f = 2 GHz f = 2.5 GHz Isolation f = 1 GHz f = 2 GHz f = 2.5 GHz Return loss (worst case) Operating Characteristics Second harmonic ffundamental = 900 MHz, PIN = 34.5 dBm ffundamental = 1.8 GHz, PIN = 31.5 dBm Third harmonic ffundamental = 900 MHz, PIN = 34.5 dBm ffundamental = 1.8 GHz, PIN = 31.5 dBm Input 0.1 dB compression point f = 900 MHz f = 1.8 GHz Imd3 Power handling under mismatch Standard setup f = 900 MHz, VSWR = 20:1 f = 1.8 GHz, VSWR = 20:1 Switching speed Startup time DC/Control Specifications Supply voltage (VBATT) Switched supply voltage (Vdd) Switched supply current (Idd) Control voltage VHIGH VLoW Control current, IHIGH Control current, ILoW
1. For 1.8 V control, Vdd must be < 2.65 V.
Conditions
min.
typ. 0.35 0.5 0.55 29 25 23
max.
Unit dB dB dB dB dB dB dB
0.1 - 2.5 GHz
-80 -80 -80 -80 37 34 -110 34.5 31.5 5 25
dBc dBc dBc dBc dBm dBm dBm dBm dBm s s
2.5 2.5 2.65 0.3 1.8(1) 2.65 0.2 0.5 0.5
4.4 3
V V mA
3 0.3
V V A A
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
February 12, 2009 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200983 Rev. C
preliminary Data Sheet * SKY14151-350LF
Package Outline (3 x 3 x 0.75 mm 16 pin QFN)
3 1.50 Pin 1 Indicator 1.50 3 0.02 + 0.03 0.02 - 0.02 (0.20) Seating Plane
Absolute Maximum Ratings
Characteristic Switched supply voltage (Vdd) Input power (low frequency to 2.5 GHz, Vdd = 2.5-3 V) Control voltage operating temperature Storage temperature Value 3V 36 dBm 3V -30 C to +85 C -50 C to +100 C
0.75 0.05 1.70 + 0.10 1.70 - 0.15 Exposed Pad 0.85 0.225 x 45 Pin 1 Indicator
Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty.
0.85
1.70 + 0.10 1.70 - 0.15
Detail B Detail C
CAUTION: Although this device is designed to be as robust as possible, ESD (Electrostatic Discharge) 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 must be employed at all times.
0.40 0.10 0.25 5 0.25 + 0.05 0.25 - 0.07 Detail B Detail C
1. Dimensioning and tolerancing per ASME Y14.5M - 1994. 2. Coplanarity applies to the exposed heat sink slug as well as the terminals. 3. Plating requirement per source control drawing (SCD) 2504.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200983 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 12, 2009
3
preliminary Data Sheet * SKY14151-350LF
Pin Out (Top View)
NC 16 GND VDD CTRL2 CTRL1 1 2 3 4 5 GND 6 RF4 7 GND 8 RF3 Exposed Paddle GND RF2 15 GND 14 RF1 13 12 GND 11 ANT 10 GND 9 GND
Logic
The switch can operate in one of four states, which are listed in the truth table. The switch may be used in the active or standby mode. The modes are controlled by the voltage which is applied to pin 2, Vdd. The switch is active when the Vdd is high and in standby mode when Vdd is low, in which case all paths are in the isolation state.
Truth Table
state 1 2 3 Ctrl1 VLoW VLoW VHIGH VHIGH Ctrl2 VLoW VHIGH VLoW VHIGH rF path Ant - RF1 Ant - RF2 Ant - RF3 Ant - RF4
Pin Descriptions
pin # 1, 5, 7, 9, 10, 12, 14 2 pin name GND Vdd description Ground. This pin should be connected to ground via the lowest possible electrical impedance. Supply voltage input. This voltage may be switched. The switching time must be no longer than the startup time. Control signal 2. The logic level applied to this pin, along with the logic level applied to pin 4, controls the state of the switch. Control signal 1. The logic level applied to this pin, along with the logic level applied to pin 3, controls the state of the switch. RF output 4. This pin is either connected directly to or is disconnected from pin 11, depending upon the control voltages applied to pins 3 and 4. RF output 4. This pin is either connected directly to or is disconnected from pin 11, depending upon the control voltages applied to pins 3 and 4. Antenna. This pin is connected directly and exclusively to pin 6, 8, 13 or 15, depending upon the control voltages applied to pins 3 and 4. RF output 4. This pin is either connected directly to or is disconnected from pin 11, depending upon the control voltages applied to pins 3 and 4. RF output 4. This pin is either connected directly to or is disconnected from pin 11, depending upon the control voltages applied to pins 3 and 4. This pad can be left open. Exposed paddle. This paddle should be connected to ground via the lowest possible electrical and thermal impedance.
Vdd = High
4
3
CTRL2
4
CTRL1
6
RF4
8
RF3
11
ANT
13
RF1
15
RF2
16
NC Paddle
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
February 12, 2009 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200983 Rev. C
preliminary Data Sheet * SKY14151-350LF
Evaluation Board Schematic
RF2 C C1 C = 100.0 pF NC C C2 C=100.0 pF C CESD C = 1 pF 12 11 10 9 5 6 7 8 C C9 C = 100 pF L LESD L = 10 nH R= ANT RF1
16 1 VDD C C4 C = 10 nF 2 3 4
15
14
13
CTL2 QFN X1 C C5 C = 100.0 pF
CTL1 C C6 C=100.0 pF
C C7 C = 100.0 pF
C C8 C = 100.0 pF
RF4
RF3
Applications
An LESD and a CESD comprise the ESD filter. This topology and these component values may vary according to the ESD requirement and acceptable insertion loss for a specific application. Components LESD and CESD constiture an ESD filter. Decoupling capacitors (C3 through C6) are recommended for suppressing noise and preventing RF leakage into the DC control circuits."
Evaluation Board
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200983 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 12, 2009
5
preliminary Data Sheet * SKY14151-350LF
Typical Performance Data
TA = 25 C, VDD = 2.5-3 V, VHigH = Vs, all unused RF ports are terminated in a 50 W load, unless otherwise noted
0 -0.5 0 -10 -20
Insertion Loss (dB)
Isolation (dB)
0 0.5 1.0 1.5 2.0 2.5
-1.0 -1.5 -2.0 -2.5 -3.0
-30 -40 -50 -60 -70 0 0.5 1.0 1.5 2.0 2.5
Frequency (GHz)
Frequency (GHz)
insertion loss
0 -5
isolation
Return Loss (dB)
-10 -15 -20 -25 -30 0 0.5 1.0 1.5 2.0 2.5
Frequency (GHz)
return loss
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6
February 12, 2009 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200983 Rev. C
preliminary Data Sheet * SKY14151-350LF
Copyright (c) 2008, 2009, 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. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes. No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions of Sale. THE MATERIALS, PRoDUCTS AND INFoRMATIoN ARE PRoVIDED "AS IS" WITHoUT WARRANTY oF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUToRY, oR oTHERWISE, INCLUDING FITNESS FoR A PARTICULAR PURPoSE oR USE, MERCHANTABILITY, PERFoRMANCE, QUALITY oR NoN-INFRINGEMENT oF ANY INTELLECTUAL PRoPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY DISCLAIMED. SKYWoRKS DoES NoT WARRANT THE ACCURACY oR CoMPLETENESS oF THE INFoRMATIoN, TEXT, GRAPHICS oR oTHER ITEMS CoNTAINED WITHIN THESE MATERIALS. SKYWoRKS SHALL NoT BE LIABLE FoR ANY DAMAGES, INCLUDING BUT NoT LIMITED To ANY SPECIAL, INDIRECT, INCIDENTAL, STATUToRY, oR CoNSEQUENTIAL DAMAGES, INCLUDING WITHoUT LIMITATIoN, LoST REVENUES oR LoST PRoFITS THAT MAY RESULT FRoM THE USE oF THE MATERIALS oR INFoRMATIoN, WHETHER oR NoT THE RECIPIENT oF MATERIALS HAS BEEN ADVISED oF THE PoSSIBILITY oF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury, death, physical or environmental damage. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters. Skyworks, the Skyworks symbol, and "Breakthrough Simplicity" are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200983 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 12, 2009
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