alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com 1 specifications subject to change without notice. 4/01a gaas ic 6 bit digital attenuator with driver 0.5 db lsb positive control dc?1 ghz features attenuation 0.5 db steps to 31.5 db with high accuracy single positive control (+5 v) for each bit low dc power consumption cmos integrated silicon driver designed for use at if frequencies mlf 5 x 5 (-310) AA113-310 0.001 (0.025 mm) 0.039 (1.00 mm) max. seating plane 12? max. 0.197 (5.00 mm) bsc 0.197 (5.00 mm) bsc 1 32 0.187 (4.75 mm) bsc 0.187 (4.75 mm) bsc pin 1 indicator 0.122 (3.10 mm) ?0.006 (0.15 mm) 0.122 (3.10 mm) ?0.006 (0.15 mm) 32 1 0.138 (3.50 mm) ref. 0.138 (3.50 mm) ref. 0.019 (0.50 mm) bsc description the AA113-310 is a 6 bit, single positive control gaas ic fet digital attenuator with driver. it is particularly suited at if frequencies where high attenuation accuracy, low insertion loss and low intermodulation products are required. typical applications include base station, wireless data, broadband and wireless local loop gain control circuits. parameter 1 frequency min. typ. max. unit insertion loss 2 dc?.5 ghz 1.5 1.8 db dc?.0 ghz 1.8 2.2 db attenuation range 31.5 db attenuation accuracy 3 dc?.5 ghz ?(0.2 + 2% of attenuation setting in db) db dc?.0 ghz ?(0.25 + 3% of attenuation setting in db) db vswr (i/o) 4 dc?.0 ghz 1.4:1 1.6:1 electrical specifications at 25c (0, +5 v) preliminary parameter condition frequency min. typ. max. unit switching characteristics 5 rise, fall (10/90% or 90/10% rf) 30 ns on, off (50% ctl to 90/10% rf) 50 ns video feedthru 50 mv input power for 1 db compression v cc = +5 v 0.5?.0 ghz +29 dbm 0.05 ghz +22 dbm intermodulation intercept point (ip3) for two-tone input power +5 dbm 0.5?.0 ghz +48 dbm v cc = +5 v 0.05 ghz +36 dbm supply voltage v cc = 5 v @ 700 ? typ. control voltages c tl05 , c tl1 , c tl2 , c tl4 , c tl8 , c tl16 , low = 0 to 0.8 v @ 20 ? typ. c tl05 , c tl2 , c tl4 , c tl8 , c tl16 , high = 3.5 to 5.0 v @ 20 ? typ. operating characteristics at 25c (0, +5 v) 1. all measurements made in a 50 ? system, unless otherwise specified. 2. insertion loss changes by 0.003 db/ c. 3. attenuation referenced to insertion loss. 4. input/output. 5. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth.
gaas ic 6 bit digital attenuator with driver 0.5 db lsb positive control dc?1 ghz AA113-310 2 alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com specifications subject to change without notice. 4/01a typical performance data (v cc = +5 v) 0 0.5 1.0 1.5 2.0 s 21 (db) frequency (ghz) insertion loss vs. frequency -2.50 -2.25 -2.00 -1.75 -1.50 -1.25 -1.00 -0.75 -0.50 0 vswr frequency (ghz) input vswr vs. frequency 0.5 1.0 1.5 2.0 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 ref. coeff ins. loss 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db 0 0.5 1.0 1.5 2.0 deviation (db) frequency (ghz) attenuation accuracy vs. frequency -0.5 0 0.5 1.0 1.5 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db 0 0.5 1.0 1.5 2.0 vswr frequency (ghz) output vswr vs. frequency 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 ins. loss 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db dimensions in inches (mm). 0.122 (3.10 mm) sq. 0.020 (0.50 mm) 0.020 (0.50 mm) 0.020 (0.50 mm) 0.020 (0.50 mm) 0.013 (0.33 mm) surface mount land pattern 5 x 5 mm mlf 32 lead characteristic value rf input power 2 w > 500 mhz, 0/6 v 0.5 w > 50 mhz, 0/6 v supply voltage 6 v control voltage 1 -0.2 v, +6 v operating temperature -40 c to +85 c storage temperature -65 c to +150 c jc 85 c/w absolute maximum ratings note: exceeding these ratings may cause irreversible damage. 1. control voltage must not exceed supply voltage.
gaas ic 6 bit digital attenuator with driver 0.5 db lsb positive control dc ? 1 ghz AA113-310 alpha industries, inc. [781] 935-5150 ? fax [617] 824-4579 ? email sales@alphaind.com ? www.alphaind.com 3 specifications subject to change without notice. 4/01a j 1 ctl4 0.025 f 0.01 f c 2 ctl16 gnd gnd gnd gnd gnd gnd gnd gnd gnd pin 1 pin 32 gnd gnd gnd gnd gnd gnd j 2 gnd gnd gnd gnd gnd v cc c 1 ctl05 ctl2 clt1 ctl8 v ss 0.01 f (charge pump capacitor) (power supply bypass capacitor) (negative voltage holding capacitor) pin out 0 = 0 to 0.5 v (v cc = 5 v). 1 = 3.5 to 5 v (v cc = 5 v). attenuation c tl05 c tl1 c tl2 c tl4 c tl8 c tl16 j 1 ? j 2 0 0 0 0 0 0 ins. loss 1 0 0 0 0 0 0.5 db 0 1 0 0 0 0 1 db 0 0 1 0 0 0 2 db 0 0 0 1 0 0 4 db 0 0 0 0 1 0 8 db 0 0 0 0 0 1 16 db 1 1 1 1 1 1 31.5 db truth table
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