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RFSA2033 low loss voltage controlled attenuator 50mhz to 6000mhz package: qfn, 16-pin, 0.9mm x 3mm x 3mm rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respe ctive owners. ?2009, rf micro devices, inc. ds 130 041 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 1 of 22 features ? patent pending circuit architecture ? broadband 50mhz to 6000mhz frequency range ? low minimum insertion loss (1.0db typical at 2ghz) ? 25db attenuation range ? +40dbm iip3 typical ? +75dbm iip2 typical ? high 1db compression point > +24dbm ? low supply current 2.5ma typical ? 3v to 5v power supply ? linear in db control characteristic ? internal temperature compensation ? low distortion with - 65dbc cso, ctb an d xmod ? class 2 esd (2000v hbm) ? complete solution in a small 3mm x 3mm, qfn package applications ? cellular, 3g infrastructure ? wibro, wimax, lte ? microwave radio ? high - linearity power control ? cable modems ? catv product description rfmds RFSA2033 is a fully monolithic analog voltage controlled attenuator (vca) featuring exceptional linearity over a typical temperature - compensated 25db gain control range and low insertion loss of 1.0db typical. it incorporates a revolutionary new circuit architecture to solve a long standing industry problem: high ip3, high attenuation range, low dc current, broad bandwidth, and temperature - compensated linear in db control voltage characteristic. this voltage controlled attenuator is controlled by a single positive control voltage with on chip dc conditioning circuitry. the slope polarity of the control voltage versus gain is selectable. the RFSA2033 draws a very low 2.5ma current. this attenuator is matched to 50 ? over its rated c ontrol range and frequency with no external matching components require. typical vcas in this performance category have poor inherent attenuation versus temperature and poor nonlinear attenuation versus control voltage characteristics. to correct these sh ortcomings, other vcas require extensive off chip analog support circuitry that consume valuable pcb area and additional dc power. this game changing product incorporates the complete solution in a small 3mm x 3mm qfn package that reduces the footprint in area and reduces the dc power over conventional pin diode approaches. ordering information rf sa2033 sq sample bag with 25 pieces rf sa2033 sr 7 reel with 100 pieces rf sa2033 tr7 7 reel with 250 0 pieces rf sa2033 pck - 410 5 0 mhz to 60 00mhz pcba with 5 - piece sample bag RFSA2033pck - 411 catv , 75 ? pcba with 5 - piece sample bag functional block diagram 3 2 4 1 10 11 9 12 15 14 16 13 6 7 5 8 control block atten rfin rfout vc vdd slope gnd gnd gnd gnd en gnd gnd gnd gnd gnd nc
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 2 of 22 absolute maximum ratings parameter rating unit supply voltage (v dd ) - 0.5 to +6 v slope, vc, en pins - 0.5 to +6 v rf input power +27 dbm operating temperature (t case ) - 40 to +85 c storage temperature - 65 to +150 c junction temperature +125 c esd rating (hbm) 2000 v nominal operating parameters parameter specification unit condition min. typ. max. general 50? application circuit supply voltage 3 5 5.5 v internal voltage r egulator supply current 2.5 3.5 ma operating temperature - 40 85 c thermal resistance 101 c/w rf input power 24 dbm rf performance 50? application circuit frequency range 50 6000 mhz minimum insertion loss 1 db gain control range 25 db gain versus temperature 1 db peak to peak gain variation over temperature for fixed control range return loss 15 db relative phase 7 deg insertion phase at 15db attenuation relative to minimum insertion loss input 1db compression point 24 dbm input ip3 40 dbm p in + (im3 dbc /2) input ip2 75 dbm p in + im2 dbc , im2 is f1 +f2 input ih2 80 dbm p in + h2 dbc , h2 is second harmonic input ih3 45 dbm p in + (h3 dbc /2), h3 is third harmonic composite performance (catv) 75? application circuit cso - 65 dbc 112 channels, flat tilt, 32dbmv/channel ctb - 65 dbc xmod - 65 dbc
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 3 of 22 control voltage control range, positive attenuation slope 0 2.5 v 2.5v control voltage is lowest insertion loss, slope pin logic high voltage control range, negative attenuation slope 0 2.5 v 0v control voltage is lowest insertion loss, slope pin logic low voltage control pin current 1.2 a vc pin at 2.5v slope and en pins logic low 0.4 v slope and en pins logic high 1 v settling time 1.5 s 2db attenuation change settling within 0.1db of final value note: typical performance at nominal conditions unless otherwise noted: supply voltage = 3.0v, operating temperature = 25c, rf frequency 2ghz, second rf frequency 2.001ghz for two tone measurements.
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 4 of 22 measured positive attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 5 of 22 measured positive attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 6 of 22 measured positive attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 7 of 22 measured positive attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 8 of 22 measured positive attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 9 of 22 measured negative attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 10 of 22 measured negative attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 11 of 22 measured negative attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 12 of 22 measured negative attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 13 of 22 measured negative attenuation slope performance note: 50? application circuit C data includes pcb and connector losses
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 14 of 22 evaluation board schematic 50? application circuit evaluation board bill of materials (bom) 50? application circuit description reference designator manufacturer manufacturer's p/n voltage controlled attenuator vca u1 rfmd RFSA2033 conn, sma, end lnch, rnd pin, 0.039" j1-j4 gigalane co., ltd. psf-s01-002 conn, hdr, st, 6-pin, 0.100", t/h p1 molex 22-28-4063 pcb, sa2033-410 ddi sa2033-410(a) cap, 1000pf, 10%, 25v, x7r, 0402 c3, c6-c7 murata electronics grm155r71h102ka01d cap, 1f, 10%, 16v, x7r, 1206 c1 murata electronics grm31mr71e105kc01l res, 0?, 0402 r1 kamaya, inc rmc1/16sjpth dnp r2 n/a n/a dnp c2, c4-c5 n/a n/a
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 15 of 22 evaluation board assembly drawing 50? application circuit
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 16 of 22 measured catv positive attenuation slope performance note: 75? application circuit
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 17 of 22 measured catv composite performance: 79 channel loading note: 75? application circuit
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 18 of 22 measured catv composite performance: 112 channel loading note: 75? application circuit
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 19 of 22 catv evaluation board schematic 75? application circuit catv evaluation board bill of materials (bom) note: 75? application circuit description reference designator manufacturer manufacturer's p/n voltage controlled attenuator vca, 5v u1 rfmd rfsa3033 conn, f, edge mount, 30 mil j1-j4 trompeter electronics, inc. cbje130-2 conn, hdr, st, 5-pin, t/h p1 molex 22-28-4053 sa3033-410 evaluation board ddi sa3033-410(a) cap, 1000pf, 10%, 25v, x7r, 0402 c1-c3, c6, c8 murata electronics grm155r71h102ka01d cap, 1 f, 10%, 16v, x7r, 1206 c4 murata electronics grm31mr71e105kc01l dnp c5, c7 n/a n/a
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 20 of 22 catv evaluation board assembly drawing note: 75? application circuit
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 21 of 22 pin names and description pin name description 1 gnd ground pin 2 gnd ground pin 3 rfin rf input. use external dc block 4 gnd ground pin 5 gnd ground pin 6 gnd ground pin 7 gnd ground pin 8 gnd ground pin 9 gnd ground pin 10 rfout rf output. use external dc block 11 gnd ground pin 12 en supply current enable control. connect to logic low to enable. connect to logic high to disable 13 nc floating pin, no connect. 14 vc attenuator control voltage 15 vdd supply voltage 16 slope attenuation slope control. connect to logic low to enable negative attenuation slope. connect to logic high to enable positive attenuation slope. gnd gnd exposed package ground paddle is rf and dc ground.
RFSA2033 rfda2046 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity tm , powerstar?, polaris tm total radio tm and ultimateblue tm are trademarks of rfmd, llc . bl u etooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks a nd registered trademarks are the proper t y of their respective owners. ?2009, rf micro devices, inc. ds 130 41 8 7628 thorndike road, greensboro, nc 27409 - 9421 C for sales or technical support, contact rfmd at (+1) 336 - 678 - 5570 or sales - support@rfmd.com 22 of 22 package drawing 0.9mm x 3.0mm x 3.0mm laminate module branding diagram

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