analog devices welcomes hittite microwave corporation www.analog.com www.hittite.com preliminary
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at tenu a tors - s m t 1 hmc939alp4 / 939alp4e v00.1115 1.0 db lsb gaas mmic 5-bit digital attenuator, 0.1 - 33 ghz electrical specifcations, t a = +25 c, with vdd = +5v, vss = -5v, p0 - p4 = 0/ +5v typic al applic a t i ons the hmc939a lp4 / HMC939ALP4E is ideal for: ? fiber optics & broadband telecom ? microwave radio & vsat ? military radios, radar & ecm ? space applications ? sensors ? test & measurement equipment 1.0 db lsb steps to 31 db single positive control line per bit 1.0 db typical bit error high input ip3: +43 dbm 16mm 2 leadless smt plastic package the hmc939a lp4 & HMC939ALP4E are broadband 5-bi t gaas ic digital attenuators in low cost leadless surface mount packages. covering 0.1 to 33.0 ghz, the insertion loss is less than 5 db typical. the attenu - ator bit values are 1.0 (lsb), 2, 4, 8, 16 for a total atten - uation of 31 db. attenuation accuracy is excellent at 0.4 db typical step error with an iip3 of +43 dbm. five control voltage inputs, toggled between +5v and 0v, are used to select each attenuation state. parameter frequency (ghz) min. typ. max. units insertion loss 0.1 - 18.0 ghz 18.0 - 26.5 ghz 26.5 - 33.0 ghz 4.0 5.5 6.5 5.5 7.0 8.5 db db db attenuation range 0.1 - 33.0 ghz 31 db return loss (rf1 & rf2, all atten. states) 0.1 - 33.0 ghz 12 db attenuation accuracy: (referenced to insertion loss) 1.0 - 15 db states 16 - 31 db states 16 - 31 db states 0.1 - 33.0 ghz 0.1 - 20.0 ghz 20.0 - 33.0 ghz (0.5 + 5%) of atten. setting max (0.5 + 5%) of atten. setting max (0.6 + 8%) of atten. setting max db db db input power for 0.1 db compression 0.1 - 0.5 ghz 0.5 - 33.0 ghz 20 25 dbm dbm input third order intercept point (two-tone input power= 0 dbm each tone) 0.1 - 0.5 ghz 0.5 - 33.0 ghz 40 43 dbm dbm switching characteristics trise, tfall (10/90% rf) ton/toff (50% ctl to 10/90% rf) 0.1 - 33.0 ghz 60 90 ns ns idd 0.1 - 33.0 ghz 2.5 4.5 6.5 ma iss 0.1 - 33.0 ghz -7.0 -5.0 -3.0 ma general description features functional diagram 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. specifications 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. 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 preliminary
at tenu a tors - s m t 2 hmc939alp4 / 939alp4e 1.0 db lsb gaas mmic 5-bit digital attenuator, 0.1 - 33 ghz control voltage bias voltages & currents absolute maximum ratings state bias condition low 0 to 0.8v @ 1 a high 2 to 5v @ 1 a vdd +5v @ 4.5 ma vss -5v @ 5 ma rf input power (0.1 to 33.0 ghz) +25 dbm control voltage (p0 to p4) vdd + 0.5v vdd +7 vdc vss -7 vdc channel temperature 150 c continuous pdiss (t = 85 o c) (derate 6.8 mw/ o c above 85 o c) 0.451 w thermal resistance 144 c/w storage temperature -65 to + 150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a electrostatic sensitive device observe handling precautions outline drawing notes : 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative. 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested la n d pa t tern . v00.1115 for price, delivery, and to place o rd ers: analog devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 pho ne: 781-329-4700 o rd er on line at ww w.anal og .com application support: p ho ne: 1-800-analog-d truth table control voltage input attenuation state rf1 - rf2 p4 16 db p3 8 db p2 4 db p1 2 db p0 1 db high high high high high reference i.l. high high high high low 1 db high high high low high 2 db high high low high high 4 db high low high high high 8 db low high high high high 16 db low low low low low 31 db any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. preliminary
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