skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com spring 2006 skyworks proprietary information. products and product information are subject to change without notice. 190 aa226-87, AA226-87LF: gaas ic 4-bit digital attenuator, 1 db lsb lf?2.5 ghz data sheet features attenuation 1 db steps to 15 db with high accuracy single positive control (3 to 5 v) for each bit low dc power consumption small low-cost tssop-16 plastic package available lead (pb)-free and rohs-compliant msl-1 @ 260 c per jedec j-std-020 description the aa226-87 is a 4-bit, single positive control gaas ic fet dig- ital attenuator. it requires dc blocking capacitors, positive supply voltage (v s ) and four individual positive bit control voltages (v 1 ?v 4 ). the aa226-87 is particularly suited where high attenua- tion accuracy, low insertion loss and low intermodulation products are required. typical applications include base station, wireless data and wireless local loop gain control circuits. 123456 8 16 15 14 13 12 11 9 7 10 8 db 4 db 2 db 1 db gnd v 4 v 3 v 2 j 1 gnd gnd gnd gnd gnd gnd gnd gnd gnd v 1 j 2 c bl c bl v s 10 k ? pin out dc blocking capacitors (c bl ) and biasing resistor must be supplied externally for positive voltage operation. c bl = 47 pf for operation >500 mhz. skyworks offers lead (pb)-free, rohs (restriction of hazardous substances)-compliant packaging. new
attenuators skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary information. products and product information are subject to change without notice. spring 2006 191 parameter (1) condition frequency min. typ. max. unit insertion loss 0.5?1.0 ghz 1.3 1.7 db 1.0?2.0 ghz 1.7 2.2 db 2.0?2.5 ghz 2.3 2.6 db attenuation range 15 db attenuation accuracy (2) 0.5?1.0 ghz (0.2 + 3% of attenuation setting in db) db 1.0?2.5 ghz (0.3 + 4% of attenuation setting in db) db vswr (i/o) (3) 0.5?2.5 ghz 1.5:1 2.0:1 switching characteristics rise, fall 10/90% or 90/10% rf 150 ns on, off 50% ctl to 90/10% rf 300 ns video feedthru t rise = 1 ns, bw = 500 mhz 70 mv input power for 1 db compression v s = 3 v 0.5?2.5 ghz 20 25 dbm v s = 5 v 0.5?2.5 ghz 24 30 dbm intermodulation intercept point (ip3) for two-tone input power 5 dbm v s = 3 v 0.5?2.5 ghz 43 49 dbm v s = 5 v 0.5?2.5 ghz 44 50 dbm control voltages v low = 0 to 0.2 v @ 20 a max. v high = 3 v @ 100 a max. to 5 v @ 200 a max. v s = v high 0.2 v electrical specifications at -40 c to +85 c (0, 5 v) 1. all measurements made in a 50 ? system, unless otherwise specified. 2. attenuation referenced to insertion loss. 3. input/output. attenuators
attenuators skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com spring 2006 skyworks proprietary information. products and product information are subject to change without notice. 192 insertion loss (db) frequency (ghz) insertion loss vs. frequency -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0 0 0.5 1.0 1.5 2.0 2.5 3.0 85 c -40 c 25 c ip3 (dbm) attenuation (db) ip3 vs. attenuation and temperature (500 mhz) 44 46 48 50 56 52 58 54 60 0123456789101112131415 25 c 85 c -40 c vswr vs. frequency (25 ?c) vswr 0 0.5 1.0 1.5 2.0 2.5 3.0 frequency (ghz) 1.00 1.25 1.50 1.75 2.00 2.25 2.50 ins. loss 1 db 2 db 4 db 8 db 15 db vswr frequency (ghz) vswr vs. frequency (85 ?c) 1.00 1.25 1.50 1.75 2.00 2.25 2.50 0 0.5 1.0 1.5 2.0 2.5 3.0 ins. loss 1 db 2 db 4 db 8 db 15 db vswr frequency (ghz) vswr vs. frequency (-40 ?c) 1.00 1.25 1.50 1.75 2.00 2.25 2.50 0 0.5 1.0 1.5 2.0 2.5 3.0 ins. loss 1 db 2 db 4 db 8 db 15 db typical performance data (0, 5 v) compression point vs. attenuation, voltage, and temperature attenuation control input power @ 1 db compression state voltage (v) 25 c (dbm) 85 c (dbm) -40 c (dbm) ins. loss 5 31.6 31 30.8 1 db 5 31.9 31.5 31.2 2 db 5 31.4 31.1 30.9 4 db 5 32.7 31.5 34.8 8 db 5 33 32.8 33.5 15 db 5 30.7 28.5 31.7
attenuators skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary information. products and product information are subject to change without notice. spring 2006 193 attenuators 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency (25 ?c) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency (85 ?c) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal insertion phase (deg.) frequency (ghz) attenuation phase accuracy vs. frequency (25 ?c) -10 -5 0 5 10 15 20 25 30 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal insertion phase (deg.) frequency (ghz) attenuation phase accuracy vs. frequency (85 ?c) -10 -5 0 5 10 15 20 25 30 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency (-40 ?c) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal insertion phase (deg.) frequency (ghz) attenuation phase accuracy vs. frequency (-40 ?c) -10 -5 0 5 10 15 20 25 30 1 db 2 db 4 db 8 db 15 db
attenuators skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com spring 2006 skyworks proprietary information. products and product information are subject to change without notice. 194 insertion loss (db) frequency (ghz) insertion loss vs. frequency -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0 0 0.5 1.0 1.5 2.0 2.5 3.0 25 c 85 c -40 c vswr vs. frequency (25 ?c) vswr 0 0.5 1.0 1.5 2.0 2.5 3.0 frequency (ghz) 1.00 1.25 1.50 1.75 2.00 2.25 2.50 ins. loss 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency (25 ?c) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency (85 ?c) -1.25 -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 deviation from nominal phase (deg.) frequency (ghz) attenuation phase accuracy vs. frequency (25 ?c) -10 -5 0 5 10 15 20 25 30 1 db 2 db 4 db 8 db 15 db deviation from nominal attenuation (db) frequency (ghz) attenuation accuracy vs. frequency (-40 ?c) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 1 db 2 db 4 db 8 db 15 db 0 0.5 1.0 1.5 2.0 2.5 3.0 typical performance data (0, 3 v)
attenuators skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary information. products and product information are subject to change without notice. spring 2006 195 attenuators ip3 (dbm) attenuation (db) ip3 vs. attenuation and temperature (500 mhz) 0123456789101112131415 46 47 48 49 50 51 52 53 54 55 56 25 c 85 c -40 c compression point vs. attenuation, voltage, and temperature truth table v 1 v 2 v 3 v 4 attenuation 8 db 4 db 2 db 1 db j 1 ?j 2 v high v high v high v high reference i.l. v high v high v high 01 db v high v high 0v high 2 db v high 0v high v high 4 db 0v high v high v high 8 db 0 0 0 0 15 db max. atten. v high = 3 to 5 v (v s = v high 0.2 v). characteristic value rf input power 1 w > 500 mhz 0/8 v 0.5 w @ 50 mhz 0/8 v supply voltage 8 v control voltage -0.2 v, +8 v operating temperature -40 c to +85 c storage temperature -65 c to +150 c absolute maximum ratings attenuation control input power @ 1 db compression state voltage (v) 25 c (dbm) 85 c (dbm) -40 c (dbm) ins. loss 3 24.5 24.1 24.6 1 db 3 25.2 24.8 25.2 2 db 3 25 24.3 24.9 4 db 3 31.2 30.4 32.8 8 db 3 28.3 26.3 29.2 15 db 3 26.6 24.8 27.5 tssop-16 0.173 (4.40 mm) 0.004 (0.10 mm) 0.197 (5.00 mm) 0.004 (0.10 mm) 0.252 (6.4 mm) bsc pin 16 pin 1 indicator pin 1 0.006 (0.15 mm) max. 0.002 (0.05 mm) min. 0.047 (1.20 mm) max. 0.035 (0.90 mm) + 0.006 (0.15 mm) / -0.004 (-0.10 mm) 0.0256 (0.65 mm) bsc 0.009 (0.22 mm) ref. r 0.004 (0.09 mm) min. 0.024 (0.60 mm) 0.006 (0.15 mm) performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the absolute maximum specifications. exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty. caution: although this device is designed to be as robust as possible, esd (electrostatic discharge) can damage this device. this device must be protected at all times from esd. static charges may easily produce poten- tials of several kilovolts on the human body or equipment, which can discharge without detection. industry-standard esd precautions must be employed at all times. re c ommen d e d s ol d er reflow profiles refer to the ?recommended solder reflow profile? application note . t ape an d reel information refer to the ?discrete devices and ic switch/attenuators tape and reel package orientation? application note.
|
