skyworks solutions, inc. ? phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary and confidential information products and product information are subject to change without notice. april 9, 2004 1 sot-6 0.074 (1.90 mm) ref. 0.071 (1.80 mm) 0.052 (1.30 mm) 0.037 (0.95 mm) ref. 0.122 (3.10 mm) 0.106 (2.70 mm) 0.006 (0.15 mm) 0.000 (0.00 mm) 0.057 (1.45 mm) 0.035 (0.90 mm) 0.020 (0.51 mm) 0.014 (0.350 mm) 0.126 (3.20 mm) 0.087 (2.20 mm) pin 6 pin 1 pin 1 indicator 0.022 (0.61 mm) 0.004 (0.10 mm) 0.014 (0.26 mm) 0.004 (0.10 mm) 0.012 (0.30 mm) typ. 5.0? 1? 5.0? 1? features 4 db lsb steps to 12 db single positive control voltage per bit low insertion loss low cost sot-6 plastic package description the SKY12324-73 is a 2 bit, gaas ic fet digital attenuator in sot-6 package. this attenuator has up to12 db total attenuation. the attenuation requires single positive control voltage per bit. the sky324-73 is ideally suited where high attenuation, low insertion loss and low intermodulation products are required. typical applications include cellular infrastructure, wireless data and wireless local loop gain level control circuits. SKY12324-73: gaas ic 2 bit digital attenuator 4 db lsb 0.5?3 ghz preliminary data sheet parameter frequency min. typ. max. unit insertion loss 0.5?1.0 ghz 0.9 1.0 db 1.0?2.0 ghz 1.0 1.2 db 2.0?2.5 ghz 1.2 1.3 db 2.5?3.0 ghz 1.3 1.4 db attenuation range 12 db attenuation accuracy 0.5?1.0 ghz (0.2 + 3% of attenuation setting in db) 1.0?3.0 ghz (0.3 + 5% of attenuation setting in db) vswr (insertion loss state) 0.5?3 ghz 1.2:1 1.4:1 vswr (attenuation state) 0.5?3 ghz 1.3:1 1.4:1 electrical specifications at 25 oc (0, +3 v) parameter condition frequency min. typ. max. unit switching characteristics rise, fall (10/90% or 90/10% rf) 40 ns on, off (50% ctl to 90/10% rf) 100 ns video feedthru 50 mv input power for 1db compression v s = +3 v 0.9 ghz 30 dbm intermodulation intercept point (ip3) two-tone +15 dbm 1.0 gha 43 db control voltages v low = 0 to 0.2 v @ 20 ua max. v high = +3 v 2 100 a max. to +5 v @ 200 a max. operating characteristics at 25 oc (0, +3 v)
skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com april 9, 2004 skyworks proprietary and confidential information products and product information are subject to change w ithout notice. preliminary data sheet ? SKY12324-73 2 v 2 nc v 1 j 1 j 2 gnd c bl c bl 12 3 654 v s 10 k v 1 v 2 j 1 ?j 2 (8 db) (4 db) high high reference i.l. high low 4 db low high 8 db low low 12 db max. attenuation truth table pin out (top view) dc blocking capacitors (c bl ) must be supplied externally for positive voltage operation. c bl = 47 pf for operation > 500 mhz. v high = +3 to +5 v (v s = v high 0.2 v). typical performance data (0, +3 v) insertion loss (db) frequency (ghz) insertion loss vs. frequency -1.3 -1.2 -1.1 -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 0.5 1.0 1.5 2.0 2.5 3.0 j 1 ?j 2 deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency 0.5 1.0 1.5 2.0 2.5 3.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 4 db 8 db 12 db vswr frequency (ghz) vswr vs. frequency 0.5 1.0 1.5 2.0 2.5 3.0 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 ins. loss 4 db 8 db 12 db characteristic value rf input power 1 w > 500 mhz 0/8 v supply voltages +8 v control voltages -0.2 v, +8 v operating temperature -40 c to +85 c storage temperature -65 c to +150 c absolute maximum ratings note: exceeding these parameters may cause irreversible damage.
preliminary data sheet SKY12324-73 skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary and confidential information products and product information are subject to change without notice. april 9, 2004 3 sk38820 sot-6 universal rev 1 j 1 j 2 SKY12324-73 chip v 1 v 2 v s 10k c bl c bl pin out (top view) 0.70 mm ref. 3.4 mm ref. 0.95 mm ref. 0.95 mm ref. 1.0 mm ref. 2.4 mm ref. suggested land pattern
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