View SMA661ASTR_8350787.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

september 2013 rev 6 1/14 14 sma661as fully integrated gps lna ic features power down function integrated matching networks low noise figure 1.15 db @ 1.575 ghz high gain 18 db @ 1.575 ghz high linearity (iip3 = +3 dbm) temperature compensated unconditionally stable esd protection (hbm 2 kv) 70 ghz silicon germanium technology applications gps description the sma661as is the first low-noise amplifier with integrated matching networks and embedded power-down function. the chip, which requires only one external input capacitor, drastically reduces the application bill of materials and the pcb area, resulting in an ideal solution for compact and cost-effective gps lna. the sma661as, using the st's leading-edge 70 ghz sige bicmos technology, achieves excellent rf performance at the gps frequency of 1.575 ghz, in terms of power gain, noise figure and linearity with a current consumption of 8.5 ma. the device is unconditionally stable and esd protected. all these featur es are steady over the operating temperature range of -40 o c to +85 o c. it's housed in ultra-mi niature sot666 plastic package. sot666 (1.65 x 1.2 x 0.57 mm) table 1. device summary order code marking package packing SMA661ASTR 661 sot666 tape and reel www.st.com
contents sma661as 2/14 contents 1 pins description and circuit schematic . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 evaluation board description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 package and packing informations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.1 package informations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5.2 packing informations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
sma661as pins description and circuit schematic 3/14 1 pins description and circuit schematic figure 1. pin connection figure 2. application circuit schematic table 2. pins description pin # pin name 1rf in 2gnd 3pd 4rf out 5gnd 6v cc 1 2 3 6 5 4 top view sma661as sma661as rf input rf in (1) vcc (6) gnd (2,5) c1 rf out(4) pd (3) rf o utput sma661as sma661as rf input rf in (1) vcc (6) gnd (2,5) c1 rf out(4) pd (3) sma661as sma661as rf input rf in (1) vcc (6) gnd (2,5) c1 rf out(4) pd (3) rf o utput
electrical specifications sma661as 4/14 2 electrical specifications 2.1 absolute maximum ratings 2.2 electrical characteristics (t a = +25 c, v cc = 2.7 v, z l = z s = 50 ohm, unless otherwise specified; measured according to figure 13 at pin level) table 3. absolute maximum ratings symbol parameter conditions value unit v cc supply voltage 3.3 v t stg storage temperature -60 to +150 o c t a operating ambient temperature -40 to +85 o c v esd electrostatic discharge hbm (all pins) 2000 v v esd electrostatic discharge mm (all pins) 200 v table 4. electrical characteristics symbol parameters test conditions min. typ. max. unit f frequency 1575 mhz v cc supply voltage 2.4 2.7 3 v i cc current consumption 8.5 ma i pd power down mode current consumption v pd v pdl 10 na g p power gain 18 db nf noise figure 1.15 db iip2 input ip2 f1 = 849 mhz, f2 = 2424 mhz, pin = -30 dbm 0.5 dbm iip3 input ip3 f1 = 1574.5 mhz, f2 = 1575.5 mhz, pin = -30 dbm 3dbm isl reverse isolation -28 db rlin input return loss f = 1500-1650 mhz 10 db rlout output return loss f = 1500-1650 mhz 10 db v pdl (1) 1. the device is switched to off state power down low state 0.5 v v pdh (2) 2. the device is switched to on state power down high state 1.0 v cc v stability 100 - 10000 mhz unconditionally stable
sma661as typical performance 5/14 3 typical performance (vcc = 2.7 v, zl = zs = 50 ohm, unless otherwise specified; measured according to figure 13 at pin level) figure 3. power gain vs. frequency figure 4. input return loss vs. frequency figure 5. noise figure vs. frequency figure 6. reverse isolation vs. frequency figure 7. output return loss vs. frequency figure 8. iip3 vs. temperature 10 11 12 13 14 15 16 17 18 19 20 21 22 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 f (mhz) gp (db) ta = -40 oc ta = +25 oc ta = +85 oc -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 f (mhz) irl (db) ta = +85 oc ta = -40 oc ta = +25 oc 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1500 1520 1540 1560 1580 1600 f (mhz) nf (db) ta = +85 oc ta = +25 oc ta = -40 oc -40 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 f (mhz) isl (db) ta = +85 oc ta = -40 oc ta = +25 oc -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 f (mhz) orl (db) ta = -40 oc ta = +85 oc ta = +25 oc 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 -40 25 85 t (c) iip3 (dbm)
typical performance sma661as 6/14 note: s-parameter are available on request. figure 9. current consumption vs. temperature figure 10. gain power down vs. temperature figure 11. power down current vs. temperature 7.5 7.6 7.7 7.8 7.9 8 8.1 8.2 8.3 8.4 8.5 -40 25 +85 t (c) icc (ma) -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -40 25 +85 t (c) gpd (db) 0 10 20 30 40 50 60 -40 -15 10 35 60 85 t (c) ipd (na)
sma661as typical performance 7/14 figure 12. stability 1 2 3 4 5 6 7 8 9 10 0 -k f (ghz) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 k
evaluation board description sma661as 8/14 4 evaluation board description figure 13. evaluation board c1 1uf c2 47p j1 rf in j2 rf out c3 33nf 1 2 jp1 vcc pd 3 gnd 2 rfin 1 vcc 6 gnd 5 rfout 4 u1 sma661 vp dow n c5 47p c6 1uf sma661as table 5. evaluation board bill of material component value type manufacturer function c1 1 f (electrolytic) case_a various supply filter c2 47 pf 0603 murata (grm188) rf bypass c3 33 nf 0603 murata (grm188) input dc block / iip3 improvement c5 47 pf 0603 murata (grm188) rf bypass c6 1 f (electrolytic) case_a various supply filter j1 - 142-0711-841 (sma_female) johnson rf input connector j2 - 142-0711-841 (sma_female) johnson rf output connector u1 - sot666 stmicroelectronics sma661as gps lna substrate - fr4 18 mm x 20 mm x 1.1 mm various layer = 3 (see figure 14 & 15 )
sma661as evaluation board description 9/14 figure 14. evaluatio n board layo ut figure 15. evaluation board cross section note: gerber files of the sma661as evaluation board are available on request. layout recommendation: both lines from pin 2 and pin 5 to gnd plane have to be as short as possible to maximize the performances. therefore a via hole under the ic is highly recommended. 18 mm 20 mm
package and packing informations sma661as 10/14 5 package and packing informations 5.1 package informations in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 16. sot666 (lead-free) package outline table 6. sot666 (lead-free) mechanical data dim. mm. min. typ max. a0.45 0.60 a3 0.08 018 b0.17 0.27 b1 0.27 0.34 d1.50 1.70 e1.50 1.70 e1 1.10 1.30 e0.50 l1 0.19 l2 0.10 0.30 l3 0.10 e1 e l2 d a a3 b1 0.10 b m e a l1 l3 a
sma661as package and packing informations 11/14 figure 17. recommended footprint 5.2 packing informations figure 18. reel description 0.50 0.30 0.99 0.62 2.60 a d e1 c n w1 measured at hub w2 measured at hub w3 measured at outer edge tape slot into core for tape start access hole at slot location mm a c d e1 n w1 w2 w3 min 175 12.8 20.2 1.5 59.5 8.4 7.9 typ 180 13 60 8.4 9.4 max 185 13.2 60.5 10 14.4 10.9
package and packing informations sma661as 12/14 figure 19. carrier tape requirements figure 20. device orientation w t k bo do p2 po p f e d1 user direction of feed ao bo ko min typ max ao 1.73 1.78 1.83 bo 1.73 1.78 1.83 do 1.5 1.5 1.6 d1 1 e 1.65 1.75 1.85 f 3.45 3.5 3.65 ko 0.64 0.69 0.73 po 3.9 4 4.1 p 3.9 4 4.1 p21.9522.05 t 0.18 0.2 0.21 w 7.9 8 8.3 sprocket holes on the right sprocket holes on the left 661 661 661 661 sprocket hole cavity
sma661as revision history 13/14 6 revision history table 7. document revision history date revision changes 15-jul-2005 1 initial release. 20-oct-2005 2 added: evaluation board schematic & layout. 07-jul-2006 3 changed to new template. added packing informations. 04-apr-2007 4 updated noise figure and high gain values. updated figure 3 and figure 5 . 27-mar-2009 5 added max. value to the parameter ?v pdh ? in table 4: electrical characteristics . 23-sep-2013 6 updated disclaimer.
sma661as 14/14 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a particular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. st products are not designed or authorized for use in: (a) safety critical applications such as life supporting, active implanted devices or systems with product functional safety requirements; (b) aeronautic applications; (c) automotive applications or environments, and/or (d) aerospace applications or environments. where st products are not designed for such use, the purchaser shall use products at purchaser?s sole risk, even if st has been informed in writing of such usage, unless a product is expressly designated by st as being intended for ?automotive, automotive safety or medical? industry domains according to st product design specifications. products formally escc, qml or jan qualified are deemed suitable for use in aerospace by the corresponding governmental agency. resale of st products with provisions different from the statem ents and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or register ed trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2013 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - swed en - switzerland - united kingdom - united states of america www.st.com

▲Up To Search▲

Price & Availability of SMA661ASTR

	To Download SMA661ASTR Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .