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_______________________________________________________________ maxim integrated products 1 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxims website at www.maxim-ic.com. vhf/uhf low-noise amplifiers MAX2664/max2665 19-5476; rev 0; 8/10 + denotes a lead(pb)-free/rohs-compliant package. functional diagram ordering information general description the MAX2664 and max2665 are ultra-compact lnas for vhf/uhf applications. these devices incorporate a broadband lna with an integrated bypass switch. the MAX2664 covers the uhf frequency range from 470mhz to 860mhz, and the max2665 covers the vhf frequency range from 75mhz to 230mhz. each device has a zero-power bypass mode for improved high-signal-level handling conditions. additionally, the output port is internally matched to 50 i while a single external inductor is used to match the input port to 50 i. the MAX2664 and max2665 are available in a 4-bump (0.8mm x 0.8mm x 0.64mm), lead-free, wafer-level package (wlp). applications smartphones/handsets mp3 players home audio/video portable navigation devices automotive features s uhf and vhf frequency range MAX2664: 470mhz to 860mhz max2665: 75mhz to 230mhz s low noise figure MAX2664: 1.2db max2665: 1.1db s high gain: 15db s zero-power bypass mode s single +2.4v to +3.5v supply voltage s low current: 3.3ma s small footprint: 0.8mm x 0.8mm s thin profile: 0.64mm evaluation kit available rfin gnd rfout/ ctrl v cc a1 a2 b1 b2 + MAX2664 max2665 top side view part temp range pin-package MAX2664ews+ -40nc to +85nc 4 wlp max2665ews+ -40nc to +85nc 4 wlp
vhf/uhf low-noise amplifiers MAX2664/max2665 2 ac electrical characteristics (MAX2664 ev kit. v cc = 2.4v to 3.5v, t a = -40 n c to +85n c, uhf f rfin = 670mhz. typical values are at v cc = 2.7v and t a = +25 nc, unless otherwise noted.) (note 1) stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. dc e lectrical characteristics (MAX2664 and max2665 ev kits. v cc = 2.4v to 3.5v, t a = -40 n c to +85n c, no rf signals are applied, rfin/rfout are open circuit. typical values are at v cc = 2.7v and t a = 25 n c, unless otherwise noted.) (note 1) absolute maximum ratings caution! esd sensitive device 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 ............................................. +10dbm short-circuit duration: rfin, rfout/ctrl .......................... 10s continuous power dissipation (t a = +70 nc) wlp (derates 9.7mw/ n c above +70nc) ...................... 776mw operating temperature range .......................... -40n c to +85nc junction temperature ..................................................... +150nc storage temperature range ............................ -65n c to +160nc soldering temperature (reflow) ...................................... +260nc parameter conditions min typ max units supply voltage 2.4 2.7 3.5 v supply current active mode 3.3 ma bypass mode, logic-low = 0v 1 fa digital input logic-high 0.7 x v cc v digital input logic-low 0.3 x v cc v digital input current -10 +10 fa parameter conditions min typ max units MAX2664 power gain normal mode 11.8 14.8 18 db bypass mode -8 -6 -3 noise figure normal mode 1.2 db bypass mode 6 third-order input intercept point (iip3) normal mode (note 2) -10 dbm bypass mode (note 3) +26 input 1db compression point normal mode -5 dbm bypass mode +7
vhf/uhf low-noise amplifiers MAX2664/max2665 3 ac electrical characteristics (max2665 ev kit. v cc = 2.4v to 3.5v, t a = -40 n c to +85n c, uhf f rfin = 670mhz. typical values are at v cc = 2.7v and t a = +25 nc, unless otherwise noted.) (note 1) note 1: min and max limits guaranteed by test at t a = +25 n c and guaranteed by design and characterization at t a = -40 n c and t a = +85 nc. note 2: tone-1 = 670mhz (-25dbm), tone-2 = 676mhz (-25dbm). note 3: tone-1 = 670mhz (0dbm), tone-2 = 676mhz (0dbm). note 4: tone-1 = 150mhz (-25dbm), tone-2 = 156mhz (-25dbm). note 5: tone-1 = 150mhz (0dbm), tone-2 = 156mhz (0dbm). typical operating characteristics (t a = +25c, unless otherwise noted. MAX2664 and max2665 ev kits.) MAX2664/max2665 i cc vs. v cc normal mode, ctrl = v cc MAX2664 toc01 v cc (v) i cc (ma) 3.1 2.6 2.1 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5 1.5 1.6 3.6 t a = -40c t a = +85c t a = +25c MAX2664/max2665 i cc vs. v cc bypass mode, ctrl = gnd MAX2664 toc02 v cc (v) i cc (a) 3.0 2.4 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0 1.8 3.6 t a = -40c, +25c, +85c MAX2664/max2665 i cc vs. v ctrl (v cc = 2.7v) MAX2664 toc03 v ctrl (v) 2 1 10 20 30 40 50 60 70 80 90 100 0 0 3 i cc (a) ctrl increment ctrl decrement parameter conditions min typ max units max2665 power gain normal mode 11.8 15.1 18 db bypass mode -8 -5.5 -3 noise figure normal mode 1.1 db bypass mode 5.5 third-order input intercept point (iip3) normal mode (note 4) -12 dbm bypass mode (note 5) +26 input 1db compression point normal mode -11 dbm bypass mode +6
vhf/uhf low-noise amplifiers MAX2664/max2665 4 typical operating characteristics (continued) (t a = +25c, unless otherwise noted. MAX2664 and max2665 ev kits.) MAX2664 s12 normal mode MAX2664 toc06 frequency (mhz) s12 (db) 1000 500 -35 -30 -25 -20 -15 -10 -5 0 -40 0 1500 MAX2664 s22 normal mode MAX2664 toc07 frequency (mhz) s22 (db) 1000 500 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 -10 0 1500 MAX2664 s11 bypass mode MAX2664 toc08 s11 (db) -25 -20 -15 -10 -5 0 -30 frequency (mhz) 1000 500 0 1500 MAX2664 s21 bypass mode MAX2664 toc09 frequency (mhz) s21 (db) 1000 500 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 -10 0 1500 MAX2664 s11 normal mode MAX2664 toc04 frequency (mhz) s11 (db) 1000 500 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 -10 0 1500 MAX2664 gain vs. frequency normal mode s21 (db) 2 4 6 8 10 12 14 16 18 0 MAX2664 toc05 frequency (mhz) 900 600 300 0 1200 t a = -40c t a = +25c t a = +85c
vhf/uhf low-noise amplifiers MAX2664/max2665 5 typical operating characteristics (continued) (t a = +25c, unless otherwise noted. MAX2664 and max2665 ev kits.) MAX2664 s12 bypass mode MAX2664 toc10 frequency (mhz) s12 (db) 1000 500 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 -10 0 1500 MAX2664 s22 bypass mode MAX2664 toc11 s22 (db) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 frequency (mhz) 1000 500 0 1500 max2665 s11 normal mode MAX2664 toc12 s11 (db) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 frequency (mhz) 400 200 0 600 max2665 gain vs. frequency normal mode MAX2664 toc13 frequency (mhz) s21 (db) 300 200 100 2 4 6 8 10 12 14 16 18 20 0 0 400 t a = -40c t a = +25c t a = +85c MAX2664 toc14 -35 -30 -25 -20 -15 -10 -5 0 -40 max2665 s12 normal mode s12 (db) frequency (mhz) 400 200 0 600 max2665 s22 normal mode MAX2664 toc15 s22 (db) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 frequency (mhz) 400 200 0 600
vhf/uhf low-noise amplifiers MAX2664/max2665 6 typical operating characteristics (continued) (t a = +25c, unless otherwise noted. MAX2664 and max2665 ev kits.) MAX2664 toc16 -35 -30 -25 -20 -15 -10 -5 0 -40 max2665 s11 bypass mode s11 (db) frequency (mhz) 400 200 0 600 max2665 s21 bypass mode MAX2664 toc17 s21 (db) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 frequency (mhz) 400 200 0 600 max2665 s12 bypass mode MAX2664 toc18 s12 (db) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 frequency (mhz) 400 200 0 600 max2665 s22 bypass mode MAX2664 toc19 s22 (db) -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 frequency (mhz) 400 200 0 600 gain vs. v cc normal mode MAX2664 toc20 v cc (v) gain (db) 3 2 11 12 13 14 15 16 10 1 4 max2665 (150mhz) MAX2664 (670mhz) noise figure vs. frequency MAX2664 normal mode frequency (mhz) nf (db) 800 700 600 500 0.5 1.0 1.5 2.0 2.5 0 400 900 MAX2664 toc21 t a = +25c t a = +85c t a = -40c
vhf/uhf low-noise amplifiers MAX2664/max2665 7 typical operating characteristics (continued) (t a = +25c, unless otherwise noted. MAX2664 and max2665 ev kits.) noise figure vs. frequency MAX2664 bypass mode nf (db) 1 2 3 4 6 5 7 8 0 MAX2664 toc22 frequency (mhz) 800 700 600 500 400 900 t a = +85c t a = +25c t a = -40c noise figure vs. frequency max2665 normal mode MAX2664 toc23 frequency (mhz) nf (db) 200 150 100 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 50 250 t a = +85c t a = -40c t a = +25c noise figure vs. frequency max2665 bypass mode MAX2664 toc24 nf (db) 1 2 3 4 5 6 7 0 frequency (mhz) 200 150 100 50 250 t a = +85c t a = +25c t a = -40c iip3 vs. v cc normal mode MAX2664 toc25 v cc (v) iip3 (dbm) 3.0 2.5 2.0 -14 -13 -12 -11 -10 -9 -15 1.5 3.5 MAX2664 (670mhz) max2665 (150mhz) iip3 vs. v cc bypass mode MAX2664 toc26 iip3 (dbm) 21 22 23 24 25 26 27 28 29 30 20 v cc (v) 3.0 2.5 2.0 1.5 3.5 MAX2664 (670mhz) max2665 (150mhz) iip3 vs. temperature normal mode MAX2664 toc27 temperature (c) iip3 (dbm) 50 0 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -15 -50 100 MAX2664 (670mhz) max2665 (150mhz) iip3 vs. temperature bypass mode MAX2664 toc28 temperature (c) 50 0 -50 100 iip3 (dbm) 21 22 23 24 25 26 27 28 29 30 20 max2665 (150mhz) MAX2664 (670mhz) ip1db vs. v cc MAX2664 (670mhz) MAX2664 toc29 v cc (v) 3 2 1 4 ip1db (dbm) -8 -6 -4 -2 0 2 4 6 8 10 -10 normal bypass ip1db vs. v cc max2665 (150mhz) MAX2664 toc30 v cc (v) ip1db (dbm) 3 2 -10 -5 0 5 10 -15 1 4 normal bypass
vhf/uhf low-noise amplifiers MAX2664/max2665 8 typical operating characteristics (continued) (t a = +25c, unless otherwise noted. MAX2664 and max2665 ev kits.) MAX2664 bypass to normal response MAX2664 toc35 50mv/div 4s /div v cc = 2.7v, f in = 670mhz, p in = -30dbm max2665 bypass to normal response MAX2664 toc33 50mv/div 10s /div v cc = 2.7v, f in = 150mhz, p in = -30dbm ip1db vs. temperature MAX2664 (670mhz) MAX2664 toc31 v cc (v) 50 0 -50 100 ip1db (dbm) -8 -6 -4 -2 0 2 4 6 8 10 -10 normal bypass MAX2664 normal to bypass response MAX2664 toc36 50mv/div 4s /div v cc = 2.7v, f in = 670mhz, p in = -30dbm max2665 normal to bypass response MAX2664 toc34 50mv/div 4s /div v cc = 2.7v, f in = 150mhz, p in = -30dbm ip1db vs. temperature max2665 (150mhz) MAX2664 toc32 v cc (v) ip1db (dbm) 50 0 -10 -5 0 5 10 -15 -50 100 normal bypass
vhf/uhf low-noise amplifiers MAX2664/max2665 9 bump description bump configuration detailed description the MAX2664/max2665 are low-power lnas designed for vhf/uhf applications. the devices feature an inter - nal lna bypass control mode for better linearity under high-input-signal power conditions. the devices are offered in a small wlp package. input and output matching only an inductor in series with a dc-blocking capaci - tor is needed to form the input-matching network. the typical application circuit shows the recommended input-matching network. these values are optimized for the best simultaneous gain, noise figure, and return loss performance. table 1 lists typical device s-parameter values. the devices integrate an on-chip 50 i output- matching network, eliminating the need for external matching components. wlp top view MAX2664 max2665 rfin gnd rfout/ ctrl v cc a1 a2 b1 b2 + bump name function a1 gnd ground. connect to the pcb ground plane with minimal trace inductance. a2 v cc supply voltage. bypass to ground with a 1000pf capacitor as close as possible to the ic. b1 rfin rf input. requires an external matching inductor and dc-blocking capacitor. the nominal internal dc voltage is 750mv. b2 rfout/ctrl rf output and bypass control (see the applications information section). rfout is internally matched to 50i and incorporates an internal dc-blocking capacitor.
vhf/uhf low-noise amplifiers MAX2664/max2665 10 table 3. MAX2664 simulated device noise parameters at v cc = 2.7v, t a = +25 n c, z 0 = 50 i table 1. MAX2664 typical device s-parameter at v cc = 2.7v, t a = +25 n c, z 0 = 50 i table 2. max2665 typical device s-parameter at v cc = 2.7v, t a = +25 n c, z 0 = 50 i *r n is normalized. frequency (mhz) |s11| s11 angle |s21| s21 angle |s12| s12 angle |s22| s22 angle 470 0.6664 -55.7 4.945 167.1 0.0449 36.7 0.2847 -65.8 500 0.6675 -58.9 4.964 163.9 0.0462 35.5 0.2795 -64.5 530 0.6674 -62.0 4.979 160.8 0.0474 34.9 0.2769 -63.2 560 0.6674 -65.0 4.978 157.8 0.0484 33.6 0.2787 -62.2 590 0.6673 -67.8 4.972 154.8 0.0500 32.4 0.2819 -61.3 620 0.6667 -70.6 4.958 152.0 0.0507 31.0 0.2858 -60.9 650 0.6651 -73.4 4.938 149.1 0.0523 30.8 0.2937 -60.7 680 0.6662 -75.9 4.916 146.3 0.0528 29.5 0.3011 -60.7 710 0.6651 -78.4 4.885 143.7 0.0539 27.9 0.3098 -61.2 740 0.6639 -80.9 4.852 140.9 0.0550 26.6 0.3185 -61.6 770 0.6624 -83.2 4.810 138.2 0.0560 25.6 0.3276 -62.5 800 0.6610 -85.5 4.764 135.7 0.0570 25.1 0.3372 -63.5 830 0.6598 -87.7 4.714 133.1 0.0573 24.0 0.3478 -64.7 860 0.6600 -89.7 4.667 130.7 0.0579 22.1 0.3571 -66.1 frequency (mhz) |s11| s11 angle |s21| s21 angle |s12| s12 angle |s22| s22 angle 60 0.4608 -13.9 5.505 -176.6 0.0519 27.3 0.5060 -32.8 90 0.4944 -29.2 5.564 172.6 0.0546 21.5 0.4518 -33.6 120 0.5160 -42.2 5.507 164.2 0.0571 19.2 0.4270 -35.0 150 0.5368 -53.0 5.366 156.6 0.0593 16.5 0.4181 -38.4 180 0.5601 -62.9 5.173 150.4 0.0612 15.9 0.4036 -41.7 210 0.5800 -71.6 4.979 144.7 0.0630 14.3 0.3948 -45.0 240 0.6006 -79.3 4.783 139.5 0.0649 13.1 0.3870 -48.4 frequency (mhz) fmin (db) | g opt | g opt angle r n * 470 1.014 0.2673 47.4 0.1724 500 1.017 0.2680 50.1 0.1709 530 1.021 0.2691 52.8 0.1695 560 1.024 0.2703 55.4 0.1681 590 1.028 0.2718 58.0 0.1667 620 1.032 0.2735 60.6 0.1653 650 1.036 0.2753 63.1 0.1639 680 1.040 0.2774 65.5 0.1626 710 1.045 0.2796 67.9 0.1612 740 1.049 0.2820 70.3 0.1599 770 1.054 0.2845 72.6 0.1586 800 1.059 0.2871 74.9 0.1573 830 1.064 0.2899 77.1 0.1560 860 1.070 0.2927 79.3 0.1547
vhf/uhf low-noise amplifiers MAX2664/max2665 11 table 4. max2665 typical noise parameters v cc = 2.7v, t a = +25 n c, z 0 = 50 i active bypass mode control the devices rfout/ctrl pin is used to control the bypass mode of the lna. when set to logic-high through an external 1k i resistor, the devices active mode is enabled. conversely, when connected to logic-low, the devices bypass mode is disabled. an external dc-blocking capacitor should be used to isolate the control function of this dual-purpose pin (see the typical application circuit ). applications information a properly designed pcb is essential to any rf micro - wave circuit. use controlled-impedance lines on all high-frequency inputs and outputs. bypass v cc with decoupling capacitors located close to the device. for long v cc lines, it might be necessary to add addi - tional decoupling capacitors. locate these additional capacitors further away from the device package. proper grounding of the gnd pin is essential. if the pcb uses a topside rf ground, connect it directly to the gnd pin. for a board where the ground is not on the component layer, connect the gnd pin to the board with multiple vias close to the package. refer to www.maxim-ic.com for the MAX2664/max2665 s-parameter download, MAX2664/max2665 ev kit sche - matic, gerbers, pads layout file, and bom information. table 5. logic table package information for the latest package outline information and land patterns, go to www.maxim-ic.com/packages . note that a +, #, or - in the package code indicates rohs status only. package drawings may show a different suffix character, but the drawing pertains to the package regardless of rohs status. package type package code outline no. land pattern no. 4 wlp w40a0+1 21-0480 chip information process: sige bicmos *r n is normalized. ctrl mode high active low bypass frequency (mhz) fmin (db) | g opt | g opt angle r n * 60 0.911 0.1390 34.5 0.1241 90 0.928 0.1458 47.2 0.1240 120 0.940 0.1592 58.1 0.1237 150 0.949 0.1766 67.0 0.1233 180 0.958 0.1962 74.5 0.1227 210 0.967 0.2170 80.7 0.1221 240 0.975 0.2383 86.2 0.1213
vhf/uhf low-noise amplifiers MAX2664/max2665 12 typical application circuit rfin rfin rfout rfout gnd v cc v cc 1k i 0 i ctrl (bypass control) 1000pf (MAX2664) 10nh (max2665) 33nh 0.1f (MAX2664) 470pf (max2665) 2200pf 10f 1000pf MAX2664 max2665 0 i
vhf/uhf low-noise amplifiers MAX2664/max2665 maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circuit patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 13 ? 2010 maxim integrated products maxim is a registered trademark of maxim integrated products, inc. revision history revision number revision date description pages changed 0 8/10 initial release

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