MAX2692/max2695 wlan/wimax low-noise amplifiers _________________________________________________________________ maxim integrated products 1 general description the MAX2692/max2695 low-noise amplifiers (lnas) are designed for wlan/wimax m applications. designed in maxim?s advanced sige process, the devices achieve high gain and low noise figure while maximizing 3rd-order intercept point. the devices operate from a +1.6v to +3.6v single supply. the optional shutdown feature in the devices reduces the supply current to less than 10 f a. the devices are avail - able in a very small, lead-free, rohs-compliant, 0.86mm x 0.86mm x 0.65mm wafer-level package (wlp). applications smart phonesnotebook pcs/tablets industrial wlan/wimax embedded modules automotive features s 2.5ghz wlan (MAX2692) s 3.7ghz wimax (max2695) s high-power gain: 18db (MAX2692) s low noise figure: 1.1db (MAX2692) s high-input-ip3: -3dbm (max2695) s integrated 50 output matching circuit s low supply current: 4.0ma s low bill of materials: one inductor, two capacitors s small footprint: 0.86mm x 0.86mm typical operating circuit 19-6004; rev 0; 9/11 wimax is a registered service mark of wimax forum. for related parts and recommended products to use with this part,refer to www.maxim-ic.com/MAX2692.related . ordering information appears at end of data sheet. evaluation kit available MAX2692max2695 a1 a2 b1 b2 optional shutdown gnd shdn r125k i rfoutput rfout v cc v cc c2 rf input c1 l1 rfin MAX2692 l1 = 4.3nhc1 = 100nf c2 = 1nf l1 = 3.3nhc1 = 100nf c2 = 100nf max2695 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim?s website at www.maxim-ic.com. downloaded from: http:///
_________________________________________________________________ maxim integrated products 2 MAX2692/max2695 wlan/wimax low-noise amplifiers v cc to gnd .......................................................... -0.3v to +3.9v rfout to gnd ......................... -0.3v to (operating v cc + 0.3v) maximum rf input power ............................................... +5dbm continuous power dissipation (t a = +70c) 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 soldering temperature (reflow) ...................................... +260c absolute maximum ratingsstresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, and functional opera - tion 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 electrical characteristics (MAX2692/max2695 ev kit, v cc = 1.6v to 3.6v, t a = -40 n c to +85 n c, no rf signals are applied. typical values are at v cc = 2.85v and t a = +25 n c, unless otherwise noted.) (note 2) ac electrical characteristics (MAX2692/max2695 ev kit, v cc = 1.6v to 3.6v, t a = -40 n c to +85 n c, MAX2692 f rfin = 2.45ghz, max2695 f rfin = 3.5ghz. typical values are at v cc = 2.85v and t a = +25 n c, unless otherwise noted.) (note 3) note 1: refer to application note 1891: wafer-level packaging (wlp) and its applications. parameter conditions min typ max units supply voltage 1.6 2.85 3.6 v supply current shdn = high MAX2692 4.0 ma max2695 4.0 shutdown mode, v 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 MAX2692 (wlan) 2.45 ghz max2695 (wimax) 3.5 power gain v cc = 2.85v (note 4) MAX2692 13.5 18.2 db max2695 11.1 15.6 v cc = 1.6v MAX2692 13.2 18 max2695 10.9 15.6 noise figure v cc = 1.6v to 3.6v MAX2692 1.1 db max2695 1.2 3rd-order input intercept point (note 5) MAX2692 -3 dbm max2695 -3 input 1db compression point (note 6) MAX2692 -16 dbm max2695 14.5 input return loss MAX2692 8.5 dbm max2695 7.5 caution! esd sensitive device downloaded from: http:///
_________________________________________________________________ maxim integrated products 3 MAX2692/max2695 wlan/wimax low-noise amplifiers 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 band with -30dbm/tone. note 6: measured with a tone located at 2.45ghz for the MAX2692 and 3.5ghz for the max2695. ac electrical characteristics (continued) (MAX2692/max2695 ev kit, v cc = 1.6v to 3.6v, t a = -40 n c to +85 n c, MAX2692 f rfin = 2.45ghz, max2695 f rfin = 3.5ghz. typical values are at v cc = 2.85v and t a = +25 n c, unless otherwise noted.) (note 2) typical operating characteristics (MAX2692/max2695 ev kit. typical values are at v cc = 2.85v, t a = +25c, unless otherwise noted.) MAX2692 parameter conditions min typ max units output return loss MAX2692 17 db max2695 14 reverse isolation MAX2692 32 db max2695 28 input return loss vs. frequency MAX2692 toc01 frequency (mhz) |s11| (db) 3000 2500 2000 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 -20 1500 3500 gain vs. frequency MAX2692 toc02 frequency (mhz) gain (db) 3000 2500 2000 2 4 6 8 10 12 14 16 18 20 0 1500 3500 reverse isolation vs. frequency MAX2692 toc03 frequency (mhz) |s12| (db) 3000 2500 2000 -45 -40 -35 -30 -25-50 1500 3500 output return loss vs. frequency MAX2692 toc04 frequency (mhz) |s22| (db) 3000 2500 2000 -25 -20 -15 -10 -5 0 -30 1500 3500 in-band iip3 vs. supply voltage and temperature MAX2692 toc05 supply voltage (v) iip3 (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 -5 -4 -3 -2 -1 0 -6 1.6 3.6 +25c +85c -40c downloaded from: http:///
_________________________________________________________________ maxim integrated products 4 MAX2692/max2695 wlan/wimax low-noise amplifiers typical operating characteristics (continued) (MAX2692/max2695 ev kit. typical values are at v cc = 2.85v, t a = +25c, unless otherwise noted.) max2695 MAX2692 input p1db vs. supply voltage and temperature MAX2692 toc06 supply voltage (v) input p1db (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 -18 -14-16 -12 -10-20 1.6 3.6 +25c +85c -40c gain vs. frequency MAX2692 toc09 frequency (mhz) gain (db) 4000 3500 3000 2 4 6 8 10 12 14 16 18 0 2500 4500 1db gain desense vs. blocker frequency MAX2692 toc07 blocker frequency (mhz) |blocker power| (dbm) 3000 2500 2000 -25 -20 -15 -10 -5 0 -30 1500 3500 input return loss vs. frequency MAX2692 toc08 frequency (mhz) |s11| (db) 4000 3500 3000 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 -10 2500 4500 downloaded from: http:///
_________________________________________________________________ maxim integrated products 5 typical operating characteristics (continued) (MAX2692/max2695 ev kit. typical values are at v cc = 2.85v, t a = +25c, unless otherwise noted.) MAX2692/max2695 wlan/wimax low-noise amplifiers max2695 in-band iip3 vs. supply voltage and temperature MAX2692 toc12 supply voltage (v) iip3 (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 -5 -4 -3 -2 -1 0 -6 1.6 3.6 +25c +85c -40c reverse isolation vs. frequency MAX2692 toc10 frequency (mhz) |s12| (db) 4000 3500 3000 -45 -40 -35 -30 -25-50 2500 4500 input p1db vs. supply voltage and temperature MAX2692 toc13 supply voltage (v) input p1db (dbm) 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 -18 -14-16 -12 -10-20 1.6 3.6 +25c +85c -40c output return loss vs. frequency MAX2692 toc11 frequency (mhz) |s22| (db) 4000 3500 3000 -25 -20 -15 -10 -5 0 -30 2500 4500 1db gain desense vs. blocker frequency MAX2692 toc14 blocker frequency (mhz) |blocker power| (dbm) 4000 3500 3000 -25 -20 -15 -10 -5 0 -30 2500 4500 downloaded from: http:///
_________________________________________________________________ maxim integrated products 6 MAX2692/max2695 wlan/wimax low-noise amplifiers bump configuration bump description detailed description the MAX2692/max2695 are lnas designed for wlan/wimax applications. the devices feature an optional power-shutdown control mode to eliminate the need for an external supply switch. the devices achieve high gain, low noise figure, and excellent linearity. input and output matching the devices require an off-chip input matching. only an inductor in series with a dc-blocking capacitor is needed to form the input matching circuit. the typical operating circuit shows the recommended input-matching network. these values are optimized for the best simultaneous gain, noise figure, and return loss performance. the devices integrate an on-chip output matching to 50 i at the output, eliminating the need for external matching components. table 1 and table 2 list typical device s parameters and k f values. typical noise parameters are shown in table 3 and table 4 . shutdown the devices include an optional shutdown feature to turn off the entire chip. the devices are placed in active mode by default once v cc is applied, due to the on-chip pul - lup resistor to v cc at the rfout bump (shared with the shdn input). to shut down the part, apply a logic-low to the rfout bump through an external resistor with an adequate value, e.g., 25k i , in order not to load the rf output signal during active operation. bump name function a1 v cc supply voltage. bypass to ground with a 10pf capacitor as close as possible to the ic. a2 rfout ( shdn ) rf output/ shdn input. rfout is internally matched to 50 i and pulled up to v cc through a 25k i resistor. shdn is shared with the rfout bump. the devices are in active mode by default once v cc is applied. rfout( shdn ) can be pulled to a dc low externally to shut down the ic. b1 rfin rf input. requires a dc-blocking capacitor and external matching components. b2 gnd ground. connect to the pcb ground plane. wlp top view MAX2692max2695 rfin v cc gnd rfout(shdn) a1 a2 b1 b2 + downloaded from: http:///
_________________________________________________________________ maxim integrated products 7 MAX2692/max2695 wlan/wimax low-noise amplifiers table 1. MAX2692 typical s parameter values and k-factortable 3. MAX2692 typical noise parameters (v cc = 2.85v, t a = +25 n c) table 2. max2695 typical s parameter values and k-factor 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 2000 -1.9 -160.0 9.8 94.6 -41.1 107.6 -2.6 68.0 2.7 2100 -2.0 -168.2 10.8 79.9 -39.5 99.8 -3.1 47.2 2.2 2200 -2.1 -177.4 10.9 74.5 -39.7 73.5 -4.2 20.6 3.0 2300 -2.5 175.1 13.7 62.0 -35.6 57.1 -6.3 3.7 2.0 2400 -2.8 167.6 15.1 40.3 -35.5 37.7 -7.7 -24.3 2.0 2500 -3.2 159.6 15.9 20.5 -34.4 15.1 -10.1 -65.9 1.9 2600 -3.6 153.0 16.1 -1.4 -32.8 -5.3 -12.0 -130.0 1.7 2700 -4.1 147.8 16.0 -24.2 -34.4 -31.7 -9.8 164.6 2.1 2800 -4.3 144.0 15.6 -45.1 -34.2 -57.8 -6.8 120.6 1.9 2900 -4.4 140.2 14.7 -60.7 -36.2 -72.0 -4.7 89.4 2.2 3000 -4.3 135.0 13.4 -77.1 -37.3 -83.2 -3.4 65.0 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 3000 -1.9 119.7 11.5 14.2 -35.9 42.9 -5.4 -26.8 1.7 3100 -1.9 112.1 12.1 0.4 -34.6 32.1 -6.9 -46.6 1.6 3200 -1.9 104.5 12.7 -15.1 -34.1 21.7 -8.9 -68.3 1.6 3300 -2.1 97.1 13.2 -29.2 -34.2 1.5 -11.7 -95.9 1.8 3400 -2.2 90.0 13.4 -42.8 -32.7 -2.8 -15.0 -135.5 1.7 3500 -2.4 83.1 13.5 -57.2 -32.4 -23.2 -16.2 166.3 1.8 3600 -2.6 77.0 13.5 -72.2 -33.2 -37.1 -13.7 116.2 2.1 3700 -2.6 70.7 13.7 -84.6 -31.9 -41.3 -11.1 86.1 1.7 3800 -2.8 64.0 13.5 -96.0 -32.1 -57.3 -8.8 62.7 1.8 3900 -3.0 58.4 13.4 -112.5 -32.7 -68.4 -7.1 42.1 1.8 4000 -3.2 52.7 13.7 -123.5 -31.0 -80.0 -6.0 23.8 1.4 frequency (mhz) fmin (db) | g opt | | g opt | angle r n ( i ) 2300 0.84 0.49 44 12.0 2350 0.84 0.48 45 11.9 2400 0.85 0.48 46 11.8 2450 0.85 0.48 47 11.8 2500 0.86 0.48 48 11.7 2550 0.87 0.47 49 11.7 2600 0.87 0.47 50 11.7 downloaded from: http:///
_________________________________________________________________ maxim integrated products 8 MAX2692/max2695 wlan/wimax low-noise amplifiers table 4. max2695 typical noise parameters (v cc = 2.85v, t a = +25 n c) 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 may be necessary to add decoupling capacitors. locate these additional capacitors further away from the device package. proper grounding of the gnd bump is essential. if the pcb uses a topside rf ground, connect it directly to the gnd bump. for a board where the ground is not on the component layer, connect the gnd bump to the board with multiple vias close to the package. refer to www.maxim-ic.com/datasheet/index.mvp/id/6939/t/do for the MAX2692/max2695 ev kit schematic, gerber data, pads layout file, and bom information. chip information process: sige bicmos ordering information + denotes a lead(pb)-free/rohs-compliant package. t = tape and reel. part temp range pin-package MAX2692 ews+t -40 n c to +85 n c 4 wlp max2695 ews+t -40 n c to +85 n c 4 wlp package information for the latest package outline information and land patterns (footprints), 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 refer to application note 1891 frequency (mhz) fmin (db) | g opt | | g opt | angle r n ( i ) 3400 1.02 0.44 65 11.3 3450 1.03 0.44 66 11.2 3500 1.03 0.44 67 11.2 3550 1.04 0.44 68 11.1 3600 1.04 0.44 69 11.1 3650 1.05 0.43 69 11.0 3700 1.06 0.43 70 10.9 downloaded from: http:///
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. the parametric values (min and max limits) shown in the electrical characteristics table are guaranteed. other parametric values quoted in this data sheet are provided for guidance. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 9 ? 2011 maxim integrated products maxim is a registered trademark of maxim integrated products, inc. MAX2692/max2695 wlan/wimax low-noise amplifiers revision history revision number revision date description pages changed 0 9/11 initial release ? downloaded from: http:///
________________________________________________________________ maxim integrated products 10 MAX2692/max2695 wlan/wimax low-noise amplifiers downloaded from: http:///
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