analog devices welcomes hittite microwave corporation www.analog.com www.hittite.com preliminary
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attenuators - smt 1 1 hmc470alp3 / 470alp3e 1 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 3 ghz v00.1115 functional diagram electrical specifi cations, t a = +25 c, with vdd = +5v & vctl = 0/+5v (unless otherwise noted) typical applica tions t h e h mc470alp3(e) is ideal for: ? cellular; umts/3g infrastructure ? ism, mmds, wlan, wimax ? microwave radio & vsat ? test equipment and sensors 1 db lsb steps to 31 db single control line per bit ttl/cmos compatible control 0.3 db typical step error single +5v supply 16 lead 3x3mm smt package: 9mm2 included in the hmc-dk004 designers kit the hmc470alp3(e) is a broadband 5-bit gaas i c digital attenuators in low cost leadless surface mount packages. this single positive control line per bit digital attenuator incorporates off chip ac g round capacitors for near dc operation, making it suitable for a wide variety of rf and i f applications. covering dc to 3 ghz, the ins e rtion l o s s is less than 1.5 db typical. the attenuator bit v a lues are 1 (lsb), 2, 4, 8, and 16 db for a total attenuation of 31 db. attenuation accuracy is excellent at 0.3 d b t y p i c a l s t ep er ror with an iip3 of + 4 5 d bm . five ttl/cmos control inputs a re used to select each attenuation state. a single vdd bias of +5v is required. parameter frequency (ghz) min. typ. max. units insertion loss dc - 1.5 ghz 1.5 - 2.3 ghz 2.3 - 3.0 ghz 1.3 1.4 1.7 1.6 1.7 2.0 db db db attenuation range dc - 3 ghz 31 db return loss (rf1 & rf2, all atten. states) dc - 3 ghz 17 db attenuation accuracy: (referenced to insertion loss) all attenuation states 1.0 - 15.0 db states 16.0 - 31.0 db states dc - 2.3 ghz 2.3 - 3.0 ghz 2.3 - 3.0 ghz (0.3 + 2% of atten. setting) max. (0.3 + 3% of atten. setting) max. (0.3 + 6% of atten. setting) max. db db db input power for 0.1 db compression 0.1 - 3.0 ghz 20 dbm input third order intercept point (two-tone input power= 0 dbm each tone) ref - 15 db states 16 - 31 db states 0.1 - 3.0 ghz 45 35 dbm dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 3 ghz 160 180 ns ns features general de scription 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
attenuators - smt 2 2 absolute maximum ratings rf input power (dc - 3 ghz) +27 dbm (t = +85 c) control voltage range (v1 to v5) -1v to vdd +1v bias voltage (vdd) +7v channel temperature 150 c continuous pdiss (t = 85 c) (derate 7.7 mw/c above 85 c) 0.5 w thermal resistance 130 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c electrostatic sensitive device observe handling precautions hmc470alp3 / 470alp3e y 1 db lsb gaas mmic 5-bit digital positive control attenuator, dc - 3 ghz 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 v1 16 db v2 8 db v3 4 db v4 2 db v5 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. 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 land pattern. preliminary
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