attenuators - digital - smt 1 hmc539alp3/539alp3e v01.0416 0.25 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 4 ghz functional diagram electrical specifcations, t a = +25 c, with vdd = +5v & vctl = 0/+5v (unless otherwise noted) the hmc539alp3/539alp3e is ideal for both rf and if applications: ? cellular infrastructure ? ism, mmds, wlan, wimax, wibro ? microwave radio & vsat ? test equipment and sensors 0.25 db lsb steps to 7.75 db 0.05 db typical step error low insertion loss: 0.7 db high ip3: +62 dbm single control line per bit ttl/cmos compatible control single +3v to +5v supply 3x3 mm smt package the hmc539alp3/539alp3e is a broadband 5-bit gaas ic digital attenuator in a low cost lead - less surface mount package. this single positive control line per bit digital attenuator utilizes an off chip ac ground capacitor for near dc operation, making it suitable for a wide variety of rf and if applications. covering dc to 4 ghz, the inser - tion loss is less than 0.7 db typical. the attenuator bit values are 0.25 (lsb), 0.5, 1, 2, and 4 db for a total attenuation of 7.75 db. attenuation accuracy is excellent at 0.05 db typical step error. the attenu- ator also features a high iip3 of +62 dbm. five ttl/ cmos control inputs are used to select each attenua - tion state. a single vdd bias of +3v to +5v is required. parameter frequency (ghz) min. typ. max. units insertion loss dc - 1.5 ghz 1.5 - 3.0 ghz 3.0 - 4.0 ghz 0.7 1.0 1.3 1.0 1.3 1.7 db db db attenuation range dc - 4 ghz 7.75 db return loss (rf1 & rf2, all atten. states) dc - 3 ghz 3.0 - 4.0 ghz 27 25 db db attenuation accuracy: (referenced to insertion loss) all states dc - 3 ghz 3.0 - 4.0 ghz (0.2 + 2% of atten. setting) max. (0.2 + 4% of atten. setting) max. db db input power for 0.1 db compression 0.1 - 4.0 ghz 32 dbm input third order intercept point (two-tone input power= 15 dbm each tone) 0.1 - 4.0 ghz 62 dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 4 ghz 45 52 ns ns typical applications features general description for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifcations subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners.
attenuators - digital - smt 2 hmc539alp3/539alp3e v01.0416 0.25 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 4 ghz return loss rf1, rf2 (only major states are shown) insertion loss normalized attenuation (only major states are shown) bit error vs. frequency (only major states are shown) relative phase vs. frequency (only major states are shown) bit error vs. attenuation state -3 -2.5 -2 -1.5 -1 -0.5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -45 -36 -27 -18 -9 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 il 0.25 db 0,.5 db 1db 2db 4 db 7.75 db return loss (db) frequency (ghz) -10 -8 -6 -4 -2 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0.25 db 0.5 db 1 db 2 db 4 db 7.75 db normalized attenuation (db) frequency (ghz) -0.5 -0.25 0 0.25 0.5 012345678 40 mhz 100 mhz 500 mhz 1 ghz 2 ghz 3 ghz 4 ghz bit error (db) attenuation state (db) -0.25 -0.15 -0.05 0.05 0.15 0.25 0.35 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0.25 db 0.5 db 1 db 2 db 4 db 7.75 db bit error (db) frequency (ghz) -20 -15 -10 -5 0 5 10 15 20 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0.25 db 0.5 db 1 db 2 db 4 db 7.75 db relative phase (deg) frequency (ghz) for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
attenuators - digital - smt 3 hmc539alp3/539alp3e v01.0416 0.25 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 4 ghz truth table control voltage bias voltage & current vdd = +5.0 vdc 10% vdd (vdc) idd ( typ.) (ma) +3.0 1.6 +5.0 1.7 state vdd = +3v vdd = +5v low 0 to 0.8v @ <1 ua 0 to +1.1v @ 33ua typ. high 1.2 to 3.3v @ <1 ua 1.8v to +5.0v @ 33ua typ. control voltage input attenuation state rf1 - rf2 v1 4 db v2 2 db v3 1 db v4 0.5 db v5 0.25 db high high high high high reference i.l. high high high high low 0.25 db high high high low high 0.5 db high high low high high 1 db high low high high high 2 db low high high high high 4 db low low low low low 7.75 d b any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. step error vs. frequency (only major states are shown) -0.25 -0.15 -0.05 0.05 0.15 0.25 0.35 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0.25 db 0.5 db 1 db 2 db 4 db 7.75 db bit error (db) frequency (ghz) 1db input compression point 26 28 30 32 34 36 01234 input compression (dbm) frequency (ghz) for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
attenuators - digital - smt 4 hmc539alp3/539alp3e v01.0416 0.25 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 4 ghz absolute maximum ratings outline drawing rf input power (dc - 4 ghz) +29 dbm (t = +85 c) control voltage range (v1 to v5) -1v to vdd +1v bias voltage (vdd) +7.0 vd c channel temperature 150 c continuous pdiss (t = 85 c) (derate 12.0 mw/ c above 85 c) 0.551 w thermal resistance 118 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [3] hmc539alp3 low stress injection molded plastic sn/pb solder msl3 [1] h539a xxxx HMC539ALP3E rohs-compliant low stress injection molded plastic 100% matte sn msl3 [2] h539a xxxx [1] max peak refow temperature of 235 c [2 max peak refow temperature of 260 c [3] 4-digit lot number xxxx package information for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
attenuators - digital - smt 5 hmc539alp3/539alp3e v01.0416 0.25 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 4 ghz pin descriptions pin number function description interface schematic 1 vdd supply voltage. 2, 11 rf1, rf2 this pin is dc coupled and matched to 50 ohm. blocking capacitors are required. select value based on lowest frequency of operation. 3, 9, 10 n/c these pins should be connected to pcb rf ground to maximize performance. 4 - 8 acg1 - acg5 external capacitor to ground is required. select value for lowest frequency of operation. place capacitor as close to pins as possible. 12 - 16 v1 - v5 see truth table and control voltage table. gnd package bottom has an exposed metal paddle that must be connected to rf ground. application circuit recommended component values c1, c2 100 pf 10% c3 1,000 pf 10% c4 330 pf 10% r1 - r5 100 ohm 10% for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
attenuators - digital - smt 6 hmc539alp3/539alp3e v01.0416 0.25 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 4 ghz evaluation pcb the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from analog devices inc upon request. list of materials for evaluation pcb ev1hc539alp3 [1] item description j1, j2 pcb mount sma connector j3 - j9 dc pin c1, c2 100 pf capacitor, 0402 pkg. c3 1000 pf capacitor, 0402 pkg. c4 330 pf capacitor, 0402 pkg. r1 - r5 100 ohm resistor 0402 u1 hmc539alp3/539alp3e digital attenuator pcb [2] 110076 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 for price, delivery, and to place orders: analog devices, inc., one technology way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 ? order online at www.analog.com application support: phone: 1-800-analog-d
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