skyworks solutions, inc. [781] 376-3000 ? fax [781] 376-3100 ? email sales@skyworksinc.com ? www.skyworksinc.com 1 specifications subject to change without notice. 4/03a gaas spdt ic 7 w t/r switch dc?6 ghz features low dc power consumption low insertion loss high linearity (63 dbm ip3) t/r switch small low cost plastic package -348 (qfn 3 x 3) AS230-348 description the AS230-348 is an ic fet spdt switch in a low cost plastic package. it features extremely high linearity, low insertion loss, with very low dc power consumption. some standard implementations include antenna changeover, t/r and diversity switching over 2 w. this switch can be used in many analog and digital wireless communication systems. parameter 1 frequency 5 min. typ. max. unit insertion loss 2 dc?1.0 ghz 0.8 1.0 db dc?2.0 ghz 0.9 1.1 db dc?4.0 ghz 1.0 1.2 db dc?6.0 ghz 1.2 1.4 db isolation dc?1.0 ghz 28 30 db dc?2.0 ghz 23 25 db dc?4.0 ghz 14 16 db dc?6.0 ghz 13 15 db return loss 3 dc?1.0 ghz 22 db dc?2.0 ghz 22 db dc?4.0 ghz 15 db dc?6.0 ghz 20 db electrical specifications at 25c exposed pad 0.008 (0.20 mm) seating plane 0.001 (0.02 mm) 0.030 (0.75 mm) 0.002 (0.05 mm) 0.118 (3.00 mm) 0.118 (3.00 mm) pin 1 indicator 0.059 (1.500 mm) 0.059 (1.500 mm) 0.023 (0.73 mm) 0.045 (1.45 mm) + 0.004 (0.10 mm) - 0.006 (0.15 mm) 0.045 (1.45 mm) + 0.004 (0.10 mm) - 0.006 (0.15 mm) parameter condition frequency min. typ. max. unit switching characteristics rise, fall (10/90% or 90/10% rf) 6 ns on, off (50% ctl to 90/10% rf) 12 ns video feedthru 4 30 mv input power for 1 db compression @ -5 v 0.9 ghz 35 dbm @ -10 v 0.9 ghz 40 dbm intermodulation intercept point (ip3) for two-tone input power 13 dbm, 0.9 ghz 63 dbm v high = -10 v control voltages v low = -12.0 v v low 0 v, 500 a max. v high = 0 v v high +12.0 v, 500 a max. differential = + 5.0 v (v high ? v low ) < +12.0 v operating characteristics at 25c 1. all measurements made in a 50 ? system, unless otherwise specified. 2. insertion loss changes by 0.003 db/c. 3. insertion loss state. 4. video feedthru measured with 1 ns risetime pulse and 500 mhz bandwidth. 5. dc = 300 khz. preliminary
gaas spdt ic 7 w t/r switch dc?6 ghz AS230-348 2 skyworks solutions, inc. [781] 376-3000 ? fax [781] 376-3100 ? email sales@skyworksinc.com ? www.skyworksinc.com specifications subject to change without notice. 4/03a j 1 -j 2 j 1 -j 3 loss (db) frequency (ghz) insertion loss 0123456 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0 -40 -35 -30 -25 -20 -15 -10 -5 0 j 1 ?j 2 j 1 ?j 3 return loss (db) frequency (ghz) return loss 0123456 -2.0 -1.8 -1.6 -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0 20 22 24 26 28 30 32 34 36 38 40 10 v 5 v insertion loss (db) input power (dbm) compression at 900 mhz 25?c isolation (db) frequency (ghz) isolation 0123456 -60 -50 -40 -30 -20 -10 0 j 1 ?j 2 j 1 ?j 3 max. input power (w) heat sink temperature (?c) temperature derating curve (0, 10 v) 0 1 2 3 4 5 6 7 8 9 10 11 20 30 40 50 60 70 80 90 100 110 120 130 140 typical performance data characteristic value rf input power (rf in) 8 w max. > 900 mhz 0/-10 v control control voltage (v c ) +0.2 v, -12 v operating temperature (t op ) -40c to +85c storage temperature (t st ) -65c to +150c thermal resistance ( jc ) 45c/w absolute maximum ratings
gaas spdt ic 7 w t/r switch dc?6 ghz AS230-348 skyworks solutions, inc. [781] 376-3000 ? fax [781] 376-3100 ? email sales@skyworksinc.com ? www.skyworksinc.com 3 specifications subject to change without notice. 4/03a pin out gnd gnd gnd j 3 gnd j 2 gnd gnd gnd v 2 v 1 gnd gnd j 1 gnd gnd v 1 v 2 j 1 ?j 2 j 1 ?j 3 v high v low insertion loss isolation v low v high isolation insertion loss truth table v low = 0 to -12.0 v. v high = 0 to +12.0 v. differential = +5.0 v (v high ? v low ) < +12.0 v. exposed paddle should be grounded. dc blocking capacitors (c bl ) are required on rf lines for positive voltage operation.
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