1 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 features ? attenuation: 1 db steps to 31 db ? minimal phase variation over attenuation range ? low dc power consumption ? hermetic surface mount package ? integral ttl driver ? 50 ? nominal impedance ? rohs* compliant and 260c reflow compatible description the maad-009194-000100 is a gaas fet 5-bit digital attenuator with a 1 db minimum step size and 31 db total attenuation. the design has been optimized to minimize phase variation over the attenuation range. this attenuator and integral ttl driver is in a hermetically sealed ceramic 16-lead surface mount package. the maad-009194-000100 is ideally suited for use where accuracy, fast switching, very low power consumption and low intermodulation products are required. typical applications include dynamic range setting in precision receiver circuits and other gain/leveling control circuits. environmental screening is available. contact the factory for information. functional schematic pin configuration 2 pin no. function pin no. function 1 rf1 9 c5 2 gnd 10 v cc 3 gnd 11 v ee 4 gnd 12 c4 5 gnd 13 c3 6 gnd 14 c2 7 gnd 15 c1 8 rf2 16 gnd 2. the metal bottom of the case must be connected to rf and dc ground. * restrictions on hazardous substanc es, european union directive 2002/95/ec. ordering information 1 part number package maad-009194 ?000100 bulk packaging maad-009194 -0001tb sample test board 1. reference application note m513 for reel size information.
2 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 electrical specifications: t a = 25c, z 0 = 50 ? , v cc = +5.0v, v ee = -5.0v parameter test conditions units min. typ. max. operating power ? dbm ? ? +20 reference insertion loss dc - 1.0 ghz dc - 2.0 ghz dc - 3.0 ghz db ? ? 4.5 5.0 5.3 attenuation accuracy 3 any single bit, dc - 3.0 ghz any combination of bits, dc - 3.0 ghz (0.3 +3% of attenuation setting in db) db (0.3 +4% of attenuation setting in db) db phase accuracy relative to reference loss state any single bit, dc - 2.0 ghz any single bit, 2.0 - 3.0 ghz any combination of bits, dc - 1.0 ghz any combination of bits, 1.0 - 2.0 ghz any combination of bits, 2.0 - 3.0 ghz deg 3 5 4 11 18 vswr dc - 3.0 ghz ratio ? ? 1.8:1 trise, tfall 10% to 90% rf, 90% to 10% rf ns see table 1 ton, toff 1.3 v control to 90% rf, 1.3 v control to 10% rf ns 1 db compression 4 reference state 0.05 ghz 0.5 - 3.0 ghz dbm ? >+26 >+26 ? input ip3 for two-tone input power up to +5 dbm 0.05 ghz 0.5 - 3.0 ghz dbm ? +39 +41 ? input ip2 for two-tone input power up to +5 dbm 0.05 ghz 0.5 - 3.0 ghz dbm ? +45 +68 ? v cc v ee ? ? v 4.5 -8.0 5.0 -5.0 5.5 -4.5 vil vih low-level input voltage high-level input voltage v 0.0 2.0 0.0 5.0 0.8 5.0 l in (input leakage current) v in = v cc or gnd a -1 ? 1 icc (quiescent supply current) v cntrl = v cc or gnd a ? 250 400 icc (additional supply current per ttl input pin) v cc = max, v cntrl = v cc - 2.1 v ma ? ? 1.5 i ee v ee min to max, v in = vil or vih ma -1.0 -0.2 ? thermal resistance jc ? c/w ? 50 ? see table 1 3. this attenuator is guaranteed monotonic. 4. 1 db compression was measured up to +26 dbm, whic h is the absolute maximum rating for this device.
3 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 truth table (digital attenuator) control inputs c5 c4 c3 c2 c1 attenuation 0 0 0 0 0 reference 0 0 0 0 1 16 db 0 0 0 1 0 1 db 0 0 1 0 0 2 db 0 1 0 0 0 4 db 1 0 0 0 0 8 db 1 1 1 1 31 db 1 0 = ttl low; 1 = ttl high absolute maximum ratings 5,6 parameter absolute maximum max input power dc - 3.0 ghz +26 dbm v cc -0.5v v cc +7.0v v ee -8.5v v ee +0.5v operating temperature -55c to +125c storage temperature -65c to +150c v cc - v ee -0.5v v cc - v ee 14.5v v in 7 -0.5v vin v cc + 0.5v 5. exceeding any one or combination of these limits may cause permanent damage to this device. 6. m/a-com technology does not recommend sustained operation near these su rvivability limits. 7. standard cmos ttl interface, latch-up will occur if logic signal is applied prior to power supply. testing condition ton trise ref. state ? 1 db 3.6 3.6 ref. state ? 2 db 3.6 3.6 ref. state ? 4 db 3.7 3.7 ref. state ? 8 db 3.3 3.3 ref. state ? 16 db 4.5 4.5 ref. state ? 31 db 30.5 30.5 units s s s s s s typical switching speed (table 1) 8. ip2 and ip3 are measured with two-tone inputs f1 and f2 up to +5 dbm with 1 mhz spacing. attenuation ip2 ip3 50 mhz 500 mhz 2 ghz 50 mhz 500 mhz 2 ghz reference state 50 68 70 39 43 42 dbm 1 db 50 68 70 39 43 37 dbm 2 db 50 68 70 39 43 37 dbm 4 db 50 68 70 37 37 37 dbm 8 db 50 68 70 37 37 37 dbm 16 db 50 68 65 31 32 32 dbm 31 db 50 50 50 31 30 29 dbm units typical input ip2 and ip3 8 recommended pcb configuration
4 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) 0.8 0.9 1.0 1.1 1.2 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) attenuation - 1 db bit vs. frequency typical performance curves reference loss vs. frequency attenuation - 4 db bit vs. frequency attenuation - 2 db bit vs. frequency 1.8 2.0 2.2 2.4 2.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) 3.8 4.0 4.2 4.4 4.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz)
5 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 phase - 1 db bit vs. frequency relative to reference loss state phase - 2 db bit vs. frequency relative to reference loss state phase - 4 db bit vs. frequency relative to reference loss state attenuation - 16 db bit vs. frequency typical performance curves 7.8 8.0 8.2 8.4 8.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) attenuation - 8 db bit vs. frequency 15.8 16.0 16.2 16.4 16.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) 29.0 30.0 31.0 32.0 33.0 34.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) attenuation - 31 db bit vs. frequency -2.0 -1.0 0.0 1.0 2.0 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) -2.0 -1.0 0.0 1.0 2.0 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) -2.0 -1.0 0.0 1.0 2.0 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz)
6 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 phase - 16 db bit vs. frequency relative to reference loss state phase - 31 db attenuation vs. frequency relative to reference loss state phase - 8 db bit vs. frequency relative to reference loss state vswr vs. frequency relative to reference loss state vswr - 1 db bit vs. frequency typical performance curves -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) -6.0 -4.0 -2.0 0.0 2.0 4.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) -10.0 -5.0 0.0 5.0 10.0 15.0 20.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) vswr - 2 db bit vs. frequency 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz)
7 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 rf1 rf2 frequency (ghz) vswr - 8 db bit vs. frequency typical performance curves vswr - 4 db bit vs. frequency vswr - 31 db attenuation vs. frequency vswr - 16 db bit vs. frequency
8 ? 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 addi tional 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. constant phase digital attenuator 31.0 db, 5-bit, ttl driver, dc-3.0 ghz rev. v2 maad-009194-000100 lead-free, cr-12 ceramic package ? ? reference application note m538 for l ead-free solder reflow recommendations. handling procedures please observe the following precautions to avoid damage: static sensitivity gallium arsenide integrated circuits are sensitive to electrostatic discharge (esd) and can be damaged by static electric ity. proper esd control techniques should be used when handling these devices.
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