1 digital attenuator, 1 - bit, 15 db dc - 2.0 ghz rev. v2 maadss0008 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data sheets and product 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. 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 ? single 15 - db step ? low loss, 0.3 db typical @ 900 mhz ? 2.5 to 5.0 volt operation ? tape and reel packaging available ? lead - free sot - 25 package ? 100% matte tin plating over copper ? halogen - free green mold compound ? 260c reflow compatible ? rohs* compliant version of at - 267 description m/a - coms maadss0008 is a 1 - bit, 15 - db step gaas mmic digital attenuator in a lead - free sot - 25, 5 lead surface mount plastic package. the maadss0008 is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. typical applications include wireless handsets, base stations, wireless lan equipment, gps receivers and any rf applications with automatic gain/level control circuits. the maadss0008 is fabricated as a monolithic gaas integrated circuit using a mature phemt process. the process features full chip passivation for performance and reliability. functional schematic pin configuration pin no. function pin no. function 1 rf1 4 v1 2 ground 5 v2 3 rf2 ordering information 1 part number package maadss0008tr 1000 piece reel maadss0008tr - 3000 3000 piece reel maadss0008smb sample board 1. reference application note m513 for reel size information. absolute maximum ratings 2,3 parameter absolute maximum input power +21 dbm control voltage ? v c ? ? 8v 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 substances, european union directive 2002/95/ec. 5 4 1 3 2
2 digital attenuator, 1 - bit, 15 db dc - 2.0 ghz rev. v2 maadss0008 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data sheets and product 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. 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. truth table 5,6 mode (control) v1 v2 attenuation positive 5 0 0.2v +2.5v to +5v +2.5v to +5v 0 0.2v 15 db reference state negative 6 0 0.2v - 2.5v to - 5v - 2.5v to - 5v 0 0.2v reference state 15 db 5. external dc blocking capacitors are required as noted. 6. if negative control is used, dc blocking capacitors are not required on rf ports and ground. electrical specifications 4 : t a = 25c, v c = +2.5 volts, z 0 = 50 positive control voltage schematic parameter test conditions units min typ max insertion loss (reference state) 1.0 ghz 2.0 ghz db db 0.3 0.4 0.4 0.5 attenuation 1.0 ghz 2.0 ghz db db 14.6 14.4 15.1 14.9 15.6 15.4 vswr 1.0 ghz 2.0 ghz ratio ratio 1.2:1 1.3:1 input ip 3 1.0 ghz insertion loss state attenuation state dbm dbm 40 40 50 50 p 1db 1.0 ghz insertion loss state attenuation state dbm dbm 24 20 26 23 control current a 10 trise, tfall 10% to 90% rf, 90% to 10% rf ns 29 ton, toff 50% control to 90% rf, 50% control to 10% rf ns 50 transients in - band mv 10 4. for positive voltage control, external dc blocking capacitors are required on all rf ports (pins 1, 2 and 3). lead - free sot - 25 ? ? reference application note m538 for lead - free solder reflow recommendations. 5 4 1 3 2 3 9 p f 3 9 p f 3 9 p f
3 digital attenuator, 1 - bit, 15 db dc - 2.0 ghz rev. v2 maadss0008 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data sheets and product 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. 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 with negative control insertion loss with positive control attenuation with negative control attenuation with positive control vswr, 0 and 15 db states with negative control at +25c vswr, 0 and 15 db states with positive control at +25c
|
