digital attenuator, 31.5 db, 6-bit, ttl driver dc - 2.0 ghz at65-0107 north america: tel. (800) 366-2266, fax (800) 618-8883 asia/pacific: tel.+81-44-844-8296, fax +81-44-844-8298 europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 specifications subject to change without notice. visit www.macom.com for additional data sheets and product information. v 2.00 features ? attenuation: 0.5 db steps to 31.5 db ? low dc power consumption ? plastic soic, wide body, smt package ? integral ttl driver ? 50 ohm impedance ? test boards are available ? tape and reel packaging available ? description m/a-com's at65-0107 is a gaas fet 6-bit digital attenuator with a 0.5 db minimum step size and a 31.5 db total attenuation range. this device is in a soic-24 wide body, plastic surface mount package. the at65-0107 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. sow-24 package outline conforms to jedec standard ms-013ad. ordering information part number package at65-0107 at65-0107tr at65-0107-tb bulk packaging tape and reel 1 units mounted on test board 1. check with the factory for available quantities and reel size. electrical specifications t a = +25c parameter test conditions frequency units min typical max insertion loss ? ? dc - 1.0 ghz dc - 2.0 ghz db db ? ? 3.1 3.4 3.6 4.2 attenuation accuracy any bit or combination of bits dc - 2.0 ghz db ? ? +(.6 +5% of atten.) -(.1 +1% of atten.) vswr full range dc - 2.0 ghz ratio ? 1.8:1 2:1 switching speed 50% cntl to 90%/10% rf 10% to 90% or 90% to 10% ? ? ns ns ? ? 75 20 150 50 1 db compression ? ? 50 mhz 0.5 - 2.0 ghz dbm dbm ? ? +21 +29 ? ? 2. decoupling capacitors (.01 f) are required on power supply lines.
digital attenuator, 31.5 db, 6-bit, ttl driver dc - 2.0 ghz at65-0107 electrical specifications t a = +25c parameter test conditions frequency units min typical max input ip 3 two-tone inputs up to +5 dbm 50 mhz 0.5-2.0 ghz db db ? ? +35 +48 ? ? vcc -vee ? ? ? ? v v 4.75 -5.25 5.0 -5.0 5.25 -4.75 logic ?0? sink current is 20 a max. ? v 0.0 ? 0.8 logic ?1? source current is 20 a max. ? v 2.0 ? 5.0 icc vcc min to max, logic ?0? or ?1? ? ma ? 0.2 6 -iee -vee min to max, logic ?0? or ?1? ? ma ? -0.2 -1 truth table absolute maximum ratings 3 parameter absolute maximum max. input power 0.05 ghz +27 dbm +vcc +5.5v -vee -8.5v logic voltages -0.5 to vcc + 0.5v control voltage -0.5v to vcc +0.5v operating temperature -40c to +85c storage temperature -65c to +125c 3. operation of this device above any one of these parameters may cause permanent damange. c16 c8 c4 c2 c1 c0.5 attenuation 0 0 0 0 0 0 loss, reference 0 0 0 0 0 1 0.5 db 0 0 0 0 1 0 1.0 db 0 0 0 1 0 0 2.0 db 0 0 1 0 0 0 4.0 db 0 1 0 0 0 0 8.0 db 1 0 0 0 0 0 16.0 db 1 1 1 1 1 1 31.5 db 0 = ttl low; 1 = ttl high pin configuration pin # function pin # function 1 gnd 13 rf 2 gnd 14 gnd 3 gnd 15 gnd 4 c16 16 gnd 5 c8 17 gnd 6 -vee 18 gnd 7 +vcc 19 gnd 8 c4 20 gnd 9 c2 21 gnd 10 c1 22 gnd 11 c0.5 23 gnd 12 gnd 24 rf north america: tel. (800) 366-2266, fax (800) 618-8883 asia/pacific: tel.+81-44-844-8296, fax +81-44-844-8298 europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 specifications subject to change without notice. visit www.macom.com for additional data sheets and product information. v 2.00
digital attenuator, 31.5 db, 6-bit, ttl driver dc - 2.0 ghz at65-0107 north america: tel. (800) 366-2266, fax (800) 618-8883 asia/pacific: tel.+81-44-844-8296, fax +81-44-844-8298 europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 specifications subject to change without notice. visit www.macom.com for additional data sheets and product information. v 2.00 attenuation error 0.5 db bit -0.4 -0.2 0.0 0.2 0.4 0 1000 2000 3000 4000 frequency (mhz) attenuation error 1 db bit -0.4 -0.2 0.0 0.2 0.4 0 1000 2000 3000 4000 frequency (mhz) attenuation error 2 db bit -0.4 -0.2 0.0 0.2 0.4 0 1000 2000 3000 4000 frequency (mhz) attenuation error 4 db bit -0.4 -0.2 0.0 0.2 0.4 0 1000 2000 3000 4000 frequency (mhz) attenuation error 8 db bit -0.8 -0.4 0.0 0.4 0.8 0 1000 2000 3000 4000 frequency (mhz) attenuation error 16 db bit -0.8 -0.4 0.0 0.4 0.8 0 1000 2000 3000 4000 frequency (mhz) attenuation error @ max attenuation -2.0 -1.0 0.0 1.0 0 1000 2000 3000 4000 frequency (mhz) typical performance vswr loss @ rfin 1.0 1.3 1.6 1.9 2.2 0 1000 2000 3000 4000 frequency (mhz)
digital attenuator, 31.5 db, 6-bit, ttl driver dc - 2.0 ghz at65-0107 north america: tel. (800) 366-2266, fax (800) 618-8883 asia/pacific: tel.+81-44-844-8296, fax +81-44-844-8298 europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 specifications subject to change without notice. visit www.macom.com for additional data sheets and product information. v 2.00 typical performance vswr loss @ rfout 1.0 1.3 1.6 1.9 2.2 0 1000 2000 3000 4000 frequency (mhz) vswr 0.5 db bit 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 frequency (mhz) rf in rf out vswr 1 db bit 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 frequency (mhz) rf in rf out vswr 2 db bit 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 frequency (mhz) rf in rf out vswr 4 db bit 1.0 1.2 1.4 1.6 0 1000 2000 3000 4000 frequency (mhz) rf in rf out vswr 8 db bit 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 frequency (mhz) rf in rf out vswr 16 db bit 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 frequency (mhz) rf in rf out vswr maximum attenuation 1.0 1.2 1.4 1.6 1.8 0 1000 2000 3000 4000 frequency (mhz) rf in rf out
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