gps/gnss? ???????????????????????????????????????????????????????????????? maxim integrated products 1 19-6040; rev 0; 9/11 ?? MAX2687/max2694?(lna)gps l1 galileoglonass?maxim?sige ?????? 1db????MAX2687?17.8db max2694?11.6db? ?? +1.6v+3.6v??????? ?10 a??? rohs?0.86mm x 0.86mm x 0.65mm?? (wlp) ? ??(???) ?(pnd) gps?? ??pc/?pc ?? ? ? s ? 17.8db (MAX2687) s ? 0.85db (MAX2687) s 50 ? s ?? 4.5ma s ???? 1.6v3.6v s ?? 12 s ?? 0.86mm x 0.86mm s 0.4mm???(wlp) ? + ??(pb)/rohs??? t = ? MAX2687 max2694 a1 a2 b1 b2 optional shutdown gnd shdn r1 25ki rf output rfout v cc v cc c2 rf input c1 l1 rfin MAX2687 l1 = 4.7nh c1 = 100nf c2 = 10pf l1 = 4.7nh c1 = 100nf c2 = 10pf max2694 part temp range pin-package MAX2687ews+t -40nc to +85nc 4 wlp max2694ews+t -40nc to +85nc 4 wlp MAX2687/max2694 ??????????????? ?????maxim?10800 852 1249 ()10800 152 1249 () maxim?china.maxim-ic.com
2 gps/gnss? v cc to gnd .......................................................... -0.3v to +3.6v other pins to gnd ............... -0.3v to (+ operating v cc + 0.3v) maximum rf input power ............................................... +5dbm continuous power dissipation (t a = +70c) 4-bump wlp (derates 9.7mw/c above +70c) ........ 776mw maximum current into rf input ......................................... 10ma operating temperature range .......................... -40c to +85c junction temperature ..................................................... +150c storage temperature range ............................ -65c to +160c lead temperature (soldering, 10s) ........ reflow profile (note 1) soldering temperature (reflow) ...................................... +260c dc electrical characteristics (MAX2687/max2694 ev kit, v cc = 1.6v to 3.6v, t a = -40nc to +85nc, no rf signals are applied. typical values are at v cc = 2.85v and t a = +25nc, unless otherwise noted.) (note 2) ac electrical characteristics (MAX2687/max2694 ev kit, v cc = 1.6v to 3.6v, t a = -40n c to +85nc, f rfin = 1575.42mhz . typical values are at v cc = 2.85v and t a = +25nc, unless otherwise noted.) (note 2) absolute maximum ratings note 1: refer to application note 1891: wafer-level packaging (wlp) and its applications. caution! esd sensitive device stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. parameter conditions min typ max units supply voltage 1.6 2.85 3.6 v supply current shdn = high MAX2687 7.63 ma max2694 4.5 shutdown mode, shdn = 0v 10 a digital input logic-high (note 3) 1.2 v digital input logic-low (note 3) 0.45 v parameter conditions min typ max units rf frequency l1 band 1575.42 mhz power gain v cc = 2.85v (note 4) MAX2687 14.7 17.8 db max2694 11.9 11.6 v cc = 1.6v MAX2687 14.0 17.7 max2694 8.7 11.5 noise figure v cc = 1.6v to 3.3v MAX2687 0.85 db max2694 0.97 in-band 3rd-order input intercept point (note 5) MAX2687 5.5 dbm max2694 6.85 out-of-band 3rd-order input intercept point (note 6) MAX2687 9.146 dbm max2694 8.644 input 1db compression point (note 7) MAX2687 -9.3 dbm max2694 -2.25 input return loss MAX2687 7.8 dbm max2694 16.8 MAX2687/max2694
3 gps/gnss? ac electrical characteristics (continued) (MAX2687/max2694 ev kit, v cc = 1.6v to 3.6v, t a = -40n c to +85nc, f rfin = 1575.42mhz . typical values are at v cc = 2.85v and t a = +25nc, unless otherwise noted.) (note 2) note 2: min and max limits guaranteed by test at t a = +25c and guaranteed by design and characterization at t a = -40c and t a = +85c, unless otherwise noted. note 3: min and max limits guaranteed by test at t a = +25c. note 4: min limit guaranteed by design and characterization. note 5: measured with the two tones located at 1mhz and 2mhz offset from the center of the gps band with -27dbm/tone for the MAX2687 and -24dbm/tone for the max2694. note 6: measured with input tones at 1713mhz (-27dbm) and 1851mhz (-39dbm). note 7: measured with a tone located at the center of the gps band. ? (MAX2687/max2694 ev kit. typical values are at v cc = 2.85v, t a = +25c, and f rfin = 1575.42mhz, unless otherwise noted.) MAX2687 input return loss vs. frequency MAX2687 toc01 frequency (mhz) |s11| (db) 2000 1500 1000 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 500 2500 gain vs. frequency MAX2687 toc02 frequency (mhz) gain (db) 2000 1500 1000 2 4 6 8 10 12 14 16 18 20 0 500 2500 reverse isolation vs. frequency MAX2687 toc03 frequency (mhz) |s12| (db) 2000 1500 1000 -70 -60 -50 -40 -30 -20 -80 500 2500 parameter conditions min typ max units output return loss MAX2687 20.7 db max2694 11.6 reverse isolation MAX2687 43.9 db max2694 21.5 MAX2687/max2694
4 gps/gnss? MAX2687 ?() (MAX2687/max2694 ev kit. typical values are at v cc = 2.85v, t a = +25c, and f rfin = 1575.42mhz, unless otherwise noted.) input p1db vs. supply voltage and temperature MAX2687 toc07 supply voltage (v) input p1db (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 -14 -13 -12 -11 -10 -15 1.6 3.6 -40c +85c +25c 1db gain desense vs. blocker frequency MAX2687 toc08 blocker frequency (mhz) |blocker power| (dbm) 2000 1500 1000 -25 -20 -15 -10 -5 0 -30 500 2500 output return loss vs. frequency MAX2687 toc04 frequency (mhz) |s22| (db) 2000 1500 1000 -20 -15 -10 -5 0 5 -25 500 2500 in-band iip3 vs. supply voltage and temperature MAX2687 toc05 supply voltage (v) iip3 (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 2 4 6 8 10 0 1.6 3.6 +85c -40c +25c out-of-band iip3 vs. supply voltage and temperature MAX2687 toc06 supply voltage (v) iip3 (dbm) 6 8 10 12 14 16 4 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 3.6 -40c +25c +85c ftone 1 = 1713mhz ptone 1 = -27dbm ftone 2 = 1851mhz ptone 2 = -39dbm MAX2687/max2694
5 gps/gnss? ?() (MAX2687/max2694 ev kit. typical values are at v cc = 2.85v, t a = +25c, and f rfin = 1575.42mhz, unless otherwise noted.) max2694 input return loss vs. frequency MAX2687 toc09 frequency (mhz) |s11| (db) 2000 1500 1000 0 -30 -25 -20 -15 -10 -5 500 2500 gain vs. frequency MAX2687 toc10 frequency (mhz) gain (db) 2000 1500 1000 14 12 10 8 6 4 2 0 -2 500 2500 reverse isolation vs. frequency MAX2687 toc11 frequency (mhz) |s12| (db) 2000 1500 1000 -45 -40 -35 -30 -25 -20 -15 -10 -50 500 2500 output return loss vs. frequency MAX2687 toc12 frequency (mhz) |s22| (db) 2000 1500 1000 -10 -5 0 5 -15 500 2500 in-band iip3 vs. supply voltage and temperature MAX2687 toc13 supply voltage (v) iip3 (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 6 7 8 9 10 5 1.6 3.6 -40c +85c +25c out-of-band iip3 vs. supply voltage and temperature MAX2687 toc14 supply voltage (v) iip3 (dbm) 6 8 10 12 14 16 4 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 3.6 +25c +85c ftone 1 = 1713mhz ptone 1 = -27dbm ftone 2 = 1851mhz ptone 2 = -39dbm -40c input p1db vs. supply voltage and temperature MAX2687 toc15 supply voltage (v) input p1db (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 -8 -6 -4 -2 0 -10 1.6 3.6 -40c +85c +25c 1db gain desense vs. blocker frequency MAX2687 toc16 blocker frequency (mhz) |blocker power| (dbm) 2000 1500 1000 -25 -20 -15 -10 -5 0 -30 500 2500 MAX2687/max2694
6 gps/gnss? ? ?? MAX2687/max2694gps l1galileoglonass ??lna??????? ???? ?? ? ??????? ?? ?? ? ??????? ???????iip3? ????iip3?50 ????1?2? sk f ?3?4? ? ??????? ?rfout (shdn ???)? v cc ??v cc ??? ?? ????( 25k ) rfout???? ?rf??? wlp top view MAX2687 max2694 rfin v cc gnd rfout (shdn) a1 a2 b1 b2 + a1 v cc ???10pf??ic a2 rfout (shdn) rf/ shdn ?rfout??50 ?1m v cc shdn rfout? ????v cc ?????????25k rfout (shdn)????ic b1 rfin rf???????? b2 gnd ??pcb?? MAX2687/max2694
7 gps/gnss? 1. MAX2687?sk? 3. MAX2687?(v cc = 2.85vt a = +25) 2. max2694?sk? freq (mhz) s11 mag (db) s11 phase (degrees) s21 mag (db) s21 phase (degrees) s12 mag (db) s12 phase (degrees) s22 mag (db) s22 phase (degrees) k f 1000 -3.9 -91.5 10.1 164.7 -48.4 96.6 -2.2 -154.8 10.0 1100 -4.1 -97.6 11.7 152.8 -51.2 47.8 -2.9 -175.2 14.0 1200 -4.4 -103.6 13.3 136.5 -47.3 42.2 -3.9 164.0 9.6 1300 -4.3 -109.6 14.6 118.8 -53.1 80.2 -5.4 140.3 19.1 1400 -4.0 -116.9 15.6 102.3 -55.0 152.6 -7.5 112.1 23.4 1500 -3.9 -127.1 17.0 82.1 -45.7 119.1 -11.7 70.7 7.6 1575 -4.5 -133.3 17.3 63.7 -44.5 72.7 -18.1 15.0 7.3 1600 -4.7 -133.6 17.1 56.9 -46.9 36.4 -20.9 -18.1 10.1 1700 -4.2 -140.0 17.1 39.7 -48.8 77.8 -14.7 -100.3 11.4 1800 -4.2 -150.0 17.0 18.6 -41.6 76.6 -8.8 -137.7 4.3 1900 -4.5 -159.2 16.6 -1.5 -39.2 39.1 -5.6 -168.2 2.9 2000 -4.8 -166.3 15.5 -20.2 -37.6 17.5 -4.0 163.7 2.3 freq (mhz) s11 mag (db) s11 phase (degrees) s21 mag (db) s21 phase (degrees) s12 mag (db) s12 phase (degrees) s22 mag (db) s22 phase (degrees) k f 1000 -2.7 -106.3 5.8 145.8 -33.4 103.0 -2.2 -160.9 2.7 1100 -3.0 -117.0 7.1 133.6 -31.1 95.5 -2.8 -179.0 2.4 1200 -3.4 -127.6 8.5 117.1 -29.0 81.3 -3.8 163.5 2.1 1300 -4.0 -138.6 9.7 98.3 -26.8 67.7 -5.3 145.9 1.9 1400 -4.9 -149.8 10.3 79.8 -24.9 55.3 -7.6 130.7 1.8 1500 -6.2 -158.2 10.8 59.9 -22.9 36.8 -10.8 126.6 1.6 1575 -7.0 -159.5 10.7 46.2 -22.4 21.7 -12.3 132.7 1.6 1600 -7.2 -160.0 10.6 41.3 -22.5 17.5 -12.7 134.9 1.6 1700 -7.7 -163.0 10.6 23.5 -22.0 4.0 -12.9 150.7 1.5 1800 -8.2 -164.6 10.2 6.2 -21.3 -11.5 -10.3 158.0 1.4 1900 -8.1 -165.5 9.9 -11.7 -21.2 -26.8 -7.7 150.4 1.3 2000 -7.7 -167.3 9.0 -27.0 -20.9 -42.3 -5.9 137.5 1.2 frequency (mhz) fmin (db) |g opt | |g opt | angle r n (i) 1550 0.69 0.26 66 5.28 1560 0.69 0.26 66 5.27 1570 0.69 0.26 67 5.27 1575 0.69 0.25 67 5.26 1580 0.69 0.25 67 5.26 1590 0.70 0.25 68 5.26 1600 0.70 0.25 68 5.25 MAX2687/max2694
8 gps/gnss? ?? pcbrf???? ???v cc ??v cc ???? ?????gnd ??????pcb??rf? ?gnd??y????? ??gnd??? ? MAX2687/max2694??gerber?pads ??bom? china.maxim-ic.com/data- sheet/index.mvp/id/6932/t/do ?? process: sige bicmos ?? ?????(?)? china. maxim-ic.com/packages ????+# -?rohs???????? ?????rohs???? 4. max2694?(v cc = 2.85vt a = +25) frequency (mhz) fmin (db) | opt | | opt | angle r n (i) 1550 0.75 0.44 48 9.06 1560 0.75 0.44 48 9.04 1570 0.75 0.44 48 9.02 1575 0.75 0.43 49 9.01 1580 0.75 0.43 49 9.00 1590 0.75 0.43 49 8.98 1600 0.75 0.43 49 8.96 ? ? ?? 4 wlp w40a0+1 21-0480 ???1891 MAX2687/max2694
gps/gnss? maxim 8328 100083 ?800 810 0310 010-6211 5199 010-6211 5299 maximmaxim????????maxim??????????? maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 9 ? 2011 maxim integrated products maximmaxim integrated productsinc.??? ?? ? ? ? ?? 0 9/11 MAX2687/max2694
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