? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 1 digital attenuator, 15.5 db, 5-bit dc - 2.0 ghz rev. v1 maatss0021 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. features ? 0.5 db attenuation steps to 15.5 db ? ultra low dc power consumption ? low intermodulation product: +45 dbm ip3 ? tape and reel packaging available ? temperature stability: +/-0.15 db from -40c to +85c ? lead-free soic-16 package ? 100% matte tin plating over copper ? halogen-free ?green? mold compound ? 260c reflow compatible ? rohs* compliant version of at-280 description m/a-com?s maatss0021 is a 5-bit, 0.5-db step gaas mmic digital attenuator in a lead-free soic- 16 surface mount plastic package. the maatss0021 is ideally suited for use where high accuracy, fast switching, very low power consumption and low intermodulation products are required at a low cost. typical applications include radio and cellular equipment, wireless lans, gps equipment and other gain/level control circuits. the maatss0021 is fabricated with a monolithic gaas mmic using a mature 1-micron process. the process features full chip passivation for increased performance and reliability. functional schematic 16 15 14 13 12 11 1 2 3 4 5 6 7 8 10 9 8 db 4 db 2 db 1 db 0.5 db ordering information 1 part number package maatss0021 bulk packaging MAATSS0021TR-3000 3000 piece reel maatss0021smb sample board 1. reference application note m513 for reel size information. pin configuration pin no. function pin no. function 1 vc1 9 rf2 2 vc1 10 ground 3 vc2 11 ground 4 vc2 12 ground 5 vc3 13 ground 6 vc3 14 ground 7 vc4 15 ground 8 vc5 16 rf1 absolute maximum ratings 2,3 parameter absolute maximum input power: 0.05 ghz 0.5 - 2.0 ghz +27 dbm +34 dbm control voltage -8.5 v < v c < +5 v operating temperature -40c to +85c storage temperature -65c to +150c 2. exceeding any one or combination of these limits may cause permanent damage to this device. 3. m/a-com does not recommend sustained operation near these survivability limits. * restrictions on hazardous substanc es, european union directive 2002/95/ec.
? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 2 digital attenuator, 15.5 db, 5-bit dc - 2.0 ghz rev. v1 maatss0021 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. electrical specifications: t a = 25c, z 0 = 50 parameter test conditions units min typ max reference insertion loss dc - 0.1 ghz dc - 0.5 ghz dc - 1.0 ghz dc - 2.0 ghz db db db db ? ? ? ? 1.1 1.3 1.5 1.8 ? ? ? 2.0 attenuation accuracy 4 dc - 2.0 ghz (0.30 db +3% of attenuation setting in db) db vswr (any state) ratio ? 1.5:1 ? trise, tfall 10% to 90% rf, 90% to 10% rf ns ? 12 ? ton, toff 50% control to 90% rf, 50% control to 10% rf ns ? 18 ? transients in band mv ? 30 ? 1 db compression input power, 0.05 ghz input power, 0.5 - 2.0 ghz dbm dbm ? ? 22 27 ? ? ip 2 0.05 ghz 0.5 - 2.0 ghz measured relative to input power (for two-tone input power up to +5 dbm) dbm dbm ? ? 53 68 ? ? ip 3 0.05 ghz 0.5 - 2.0 ghz measured relative to input power (for two-tone input power up to +5 dbm) dbm dbm ? ? 40 45 ? ? 4. attenuation acccuracy specifications apply with negative bias control and low inductance grounding. truth table 0 = vin low = 0 v = 0 to ?0.2 v @ 20 a maximum 1 = vin high = -5 v at 20 a to -8 v at 20 a maximum lead-free soic-16 ? ? reference application note m538 for lead-free solder reflow recommendations. vc5 vc4 vc3 vc3 vc2 vc2 vc1 vc1 atten. 1 1 1 0 1 0 1 0 refer- ence 0 1 1 0 1 0 1 0 0.5 db 1 0 1 0 1 0 1 0 1 db 1 1 0 1 1 0 1 0 2 db 1 1 1 0 0 1 1 0 4 db 1 1 1 0 1 0 0 1 8 db 0 0 0 1 0 1 0 1 15.5 db control inputs
? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 3 digital attenuator, 15.5 db, 5-bit dc - 2.0 ghz rev. v1 maatss0021 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. typical performance curves insertion loss attenuation accuracy vswr 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 1.0 1.5 2.0 +25c -40c +85c frequency (ghz) -0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.00.51.01.52.0 0.5 db atten 1 db atten 2 db atten 4 db atten 8 db atten 15.5 db atten frequency (ghz) 1.0 1.1 1.2 1.3 1.4 1.5 0.0 0.5 1.0 1.5 2.0 0.5 db 1 db 2 db 4 db 8 db 15.5 db frequency (ghz)
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