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skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201154a ? skyworks proprietary and confidential information ? products and product information are subject to change witho ut notice ? october 14, 2009 1 preliminary data sheet SKY65088: 1.575 ghz gps low noise amplifier applications x gps radio receivers features x small signal gain: 16 db x low noise figure: 1.0 db x iip3: 0 dbm x minimal number of external components required x power shutdown mode x ip1db: C16 dbm x input/output impedance internally matched to 50 x single dc supply: 1.8 to 3.6 v x small, qfn (6-pin, 1.5 x 2 mm) package (msl3, 250 q c per jedec j-std-020) input match bias/control lna rf_in rf_out enable vbias vcc output match figure 1. SKY65088 block diagram description the SKY65088 is a microwave monolithic integrated circuit (mmic) global positioning system (gps) low noise amplifier (lna). the device has superior noise figure (nf), excellent gain, and a high 1 db input compression point (ip1db). the SKY65088 is optimized to operate at 1.575 ghz, which makes it ideal for gps radio receiver applications. the device is fabricated using skyworks high reliability sige cmos technology. the lna uses surface mount technology (smt) in the form of a 1.5 x 2.0 mm quad flat no-lead (qfn) package, which allows for a highly manufacturable and low-cost solution. 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. 1 2 3 6 5 4 rf_in vbias gnd rf_out vcc enable figure 2. SKY65088 pinout C 6-pin qfn (top view)
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 2 october 14, 2009 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 201154a table 1. SKY65088 signal descriptions pin # name description pin # name description 1 rf_in rf input 4 enable power on/off control 2 vbias bias voltage 5 vcc source voltage 3 gnd ground 6 rf_out rf output table 2. SKY65088 absolute maximum ratings parameter symbol minimum typical maximum units rf input power p in 0 dbm supply voltage v cc 1.8 3.0 3.6 v supply current i cc 6 12 ma storage temperature t stg C65 125 q c junction temperature t j 150 q c note: exposure to maximum rating conditions for extended periods m ay reduce device reliability. there is no damage to device with on ly 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 d evice. caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this devi ce 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. SKY65088 recommended operating conditions parameter symbol minimum typical maximum units rf input power p in C85 dbm supply voltage (measured at terminals of evaluation board) v cc 1.8 3.0 v frequency range f 1500 1575 1600 mhz case operating temperature t c C40 +85 q c electrical and mechanical specifications the absolute maximum ratings of the SKY65088 are provided in table 2. the recommended operating conditions are specified in table 3 and electrical specifications are provided in tables 4 and 5. performance characteristics for the SKY65088 are illustrated in figures 3 through 11.
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201154a ? skyworks proprietary and confidential information ? products and product information are subject to change witho ut notice ? october 14, 2009 3 table 4. SKY65088 electrical specifications (note 1) (v cc = 3 v, t c = +25 q c, test frequency = 1.575 ghz, unless otherwise noted) parameter symbol test condition min typical max units small signal gain g 16 db 1 db input compression point ip1db C16 dbm noise figure nf 1.0 db third order input interc ept point iip3 0 dbm isolation |s 12 | 30 db input return loss |s 11 | 9.4 db output return loss |s 22 | 18.1 db current consumption i dd 6.5 ma note 1: performance is guaranteed only under the conditions listed in this table and is not guaranteed over the full operating or stor age temperature ranges. operation at elevated temperatures may reduce reliability of the device. table 5. SKY65088 electrical specifications (note 1) (v cc = 2.8 v, t c = +25 q c, test frequency = 1.575 ghz, unless otherwise noted) parameter symbol test condition min typical max units small signal gain g 15.9 db 1 db input compression point ip1db C16.75 dbm noise figure nf 1.0 db third order input interc ept point iip3 +1.6 dbm isolation |s 12 | 30 db input return loss |s 11 | 9.45 db output return loss |s 22 | 17.75 db current consumption i dd 6.5 ma note 1: performance is guaranteed only under the conditions listed in this table and is not guaranteed over the full operating or stor age temperature ranges. operation at elevated temperatures may reduce reliability of the device.
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 4 october 14, 2009 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 201154a typical performance characteristics C9.7 C9.6 C9.5 C9.4 C9.3 C9.2 C9.1 1500 1510 1520 1530 1540 1550 1560 1570 1580 1590 1600 frequency (mhz) |s11| (db) figure 3. input return loss vs frequency (vcc = 3.0 v) C29.4 C29.3 C29.2 C29.7 C29.6 C29.5 C30.0 C29.9 C30.2 C30.1 C29.8 1500 1510 1520 1530 1540 1550 1560 1570 1580 1590 1600 frequency (mhz) |s12| (db) figure 5. reverse isolation vs frequency (vcc = 3.0 v) C9.7 C9.6 C9.5 C9.4 C9.3 C9.2 C9.1 1480 1500 1520 1540 1560 1580 1600 1620 frequency (mhz) |s11| (db) figure 7. input return loss vs frequency (vcc = 2.8 v) C18.8 C19.0 C18.6 C18.4 C18.2 C18.0 C17.8 C17.6 1500 1510 1520 1530 1540 1550 1560 1570 1580 1590 1600 frequency (mhz) |s22| (db) figure 4. output return loss vs frequency (vcc = 3.0 v) 16.1 16.2 16.3 15.8 15.9 16.0 15.6 15.7 1500 1510 1520 1530 1540 1550 1560 1570 1580 1590 1600 frequency (mhz) |s21| (db) figure 6. small signal gain vs frequency (vcc = 3.0 v) C18.6 C18.4 C18.2 C18.0 C17.8 C17.6 C17.4 1480 1500 1520 1540 1560 1580 1600 1620 frequency (mhz) |s22| (db) figure 8. output return loss vs frequency (vcc = 2.8 v)
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201154a ? skyworks proprietary and confidential information ? products and product information are subject to change witho ut notice ? october 14, 2009 5 C29.2 C29.0 C28.8 C29.8 C29.6 C29.4 C30.0 C30.2 C30.4 1480 1500 1520 1540 1560 1580 1600 1620 frequency (mhz) |s12| (db) figure 9. reverse isolation vs frequency (vcc = 2.8 v) 16.2 16.3 16.4 15.9 16.0 16.1 15.7 15.8 1480 1500 1520 1540 1560 1580 1600 1620 frequency (mhz) |s21| (db) figure 10. small signal gain vs frequency (vcc = 2.8 v) 1.11 1.13 1.15 1.05 1.07 1.09 1.01 1.03 0.99 0.95 0.97 1480 1500 1520 1540 1560 1580 1600 1620 frequency (mhz) noise figure (db) 2.8 v 3.0 v figure 11. noise figure vs frequency over voltage evaluation board description the SKY65088 evaluation board is used to test the performance of the SKY65088 low noise amplifier. an assembly drawing for the evaluation board is shown in figure 12 and the layer detail is provided in figure 13. the evaluation board schematic diagram is shown in figure 14. table 6 provides the bill of materials (bom) list for evaluation board components. package dimensions package dimensions for the 6-pin qfn are shown in figure 15, and tape and reel dimensions are provided in figure 16. package and handling information since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. 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. the SKY65088 is rated to moisture sensitivity level 3 (msl3) at 250 q c. it can be used for lead or lead-free soldering. for additional information, refer to the skyworks application note, pcb design and smt assembly/rework guidelines for mcm-l packages , document number 101752. 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. for packaging details, refer to the skyworks application note, discrete devices and ic switch/attenuators tape and reel package orientation , document number 200083.
data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 6 october 14, 2009 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 201154a s1727 c1 c2 c4 c3 figure 12. SKY65088 evaluation board assembly diagram
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201154a ? skyworks proprietary and confidential information ? products and product information are subject to change witho ut notice ? october 14, 2009 7 *** tbd *** figure 13. SKY65088 evaluation board layer detail
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 8 october 14, 2009 ? skyworks proprietary and confidential information ? products and product information are subject to ch ange without notice ? 201154a s1725 rf input vcc c1 22 nf c2 10 nf vcc enable 12345 5-header 1 2 3 6 5 4 rf_in rf output vbias gnd rf_out vcc enable vcc c3 10 nf c4 10 pf enable figure 14. SKY65088 evaluation board schematic table 6. SKY65088 (qfn package) evaluation board bill of materials component size value vendor part number c1 22 nf c2 10 nf c3 10 nf c4 10 pf
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201154a ? skyworks proprietary and confidential information ? products and product information are subject to change witho ut notice ? october 14, 2009 9 top view side view bottom view 0.10 c pin 1 indicator 2x 0.10 c 2x 2x r0.05 0.08 c 6x 3 5 c 0.10 2.0 1.5 0.5 a c seating plane detail b detail c 0.02 +0.03/C0.02 0.25 +0.05/C0.07 1.10 +0.10/C0.15 1.20 +0.10/C0.15 pin 1 ind. exposed pad 2x 0.05 6x 0.20 nom. 0.41/0.50 b 0.250 0.10 0.10 c a b detail c 6 places detail b c l all measurements are in millimeters. dimensioning and tolerancing according to asme y14.5m-1994. coplanarity applies to the exposed heat sink slug as well as the terminals.. plating requirement per source control drawing (scd) 2504. dimension applies to metalized terminal and is measured between 0.15 mm and 0.30 mm from terminal tip. s1528 figure 15. SKY65088 6-pin qfn package dimensions
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 10 october 14, 2009 ? skyworks proprietary and confidential information ? products and product information are subject to c hange without notice ? 201154a *** tbd *** figure 16. SKY65088 tape and reel dimensions
preliminary data sheet ? SKY65088 low noise amplifier skyworks solutions, inc. ? phone [781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201154a ? skyworks proprietary and confidential information ? products and product information are subject to change witho ut notice ? october 14, 2009 11 ordering information model name manufacturing part number evaluation kit part number SKY65088 gps low noise amplifier SKY65088 (pb-free package) *** tbd *** copyright ? 2009 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyworks solutions, inc. (skyworks) products or services. these m aterials, 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 res ponsibility 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 diff iculties 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 mate rials, 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, mercha ntability, performance, quality or non-infringement of any intellectual property right; all su ch 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 consequentia l 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 mat erials 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 specifi cations 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 outsid e 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, includ ing relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.

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