2.25 v voltage variable absorptive attenuator, 42 db 1.8 - 2.5 ghz rev. v3 maavss0001 1 1 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 1 features ? single positive voltage control, 0 to +2.25 volts ? 42 db typical attenuation range at 2.4 ghz ? low dc power consumption ? lead - free sot - 25 package ? 100% matte tin plating over copper ? halogen - free green mold compound ? 260c reflow compatible ? rohs* compliant version of at - 119 description m/a - coms maavss0001 is a gaas mmic voltage variable absorptive attenuator in a lead - free sot - 25 surface mount plastic package. m/a - com fabricates the maavss0001 with a proven monolithic gaas 0.5 micron gate process that features full chip passivation for performance and reliability. applications the maavss0001 is ideally suited for applications that require fine tuning, linear attenuation with voltage, and very low power consumption. typical applications for the maavss0001 include automatic gain control circuits in satellite radio receivers and other wireless receivers. functional schematic pin function description 1 rf rf (input / output) 2 gnd ground 3 rf rf (input / output) 4 v ctl control voltage 5 v cc dc supply voltage pin configuration ordering information 1 part number package maavss0001 bulk packaging maavss0001tr - 3000 3000 piece reel MAAVSS0001SMB sample test board (includes 5 samples) 1. reference application note m513 for reel size information. absolute maximum ratings 2,3 @ t a = +25c (unless otherwise specified) parameter absolute maximum input power +21 dbm supply voltage v cc - 1 v ? v cc ? +8 v control voltage v ctl - 1 v ? v ctl ? v cc +0.5 v operating temperature - 40c to +85c storage temperature - 65c to +150c * restrictions on hazardous substances, european union directive 2002/95/ec. 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. 5 v cc 4 v ctl 1 rf 3 rf 2 gnd 100pf 100pf 5 v cc 4 v ctl 1 rf 3 rf 2 gnd 100pf 100pf
2.25 v voltage variable absorptive attenuator, 42 db 1.8 - 2.5 ghz rev. v3 maavss0001 2 2 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 2 4. external dc blocking capacitors are required on all rf ports. 5. vcc = +3.3 v @ 50 a typical. vctl = 0 v to +2.25 v @ 50 a typical. electrical specifications: t a = 25c, frequency = 2.4 ghz, v cc = 3.3 v, z 0 = 50 ? parameter test conditions 4,5 units min. typ. max. insertion loss v ctl = 2.25 v db 2.4 3.2 maximum attenuation v ctl = 0.5 v db 37 42 attenuation slope 0.75 v < v ctl < 1.75 v db/v 24 return loss 0.0 v < v ctl < 0.75 v 0.75 v < v ctl < 1.75 v 1.75 v < v ctl < 2.25 v db db db 6 10 14 input power for 1db change in attenuation 0.75 v < v ctl < 2.25 v dbm 10 input 3rd order intercept point 0.75 v < v ctl < 2.25 v dbm 15 switching speed 50% v ctl to 10% / 90% rf ns 100 transients v ctl = 3 v, in - band mv 10 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 electricity. proper esd control techniques should be used when handling these devices. application schematic rf in/ out rf in/ out v cc v ctl 100 pf 100 pf 220 pf 15 pf rf in/ out rf in/ out v cc v ctl 100 pf 100 pf 220 pf 15 pf
2.25 v voltage variable absorptive attenuator, 42 db 1.8 - 2.5 ghz rev. v3 maavss0001 3 3 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 3 typical performance curves typical device variation, 2.4 ghz attenuation vs. control voltage @ +25c attenuation vs. frequency @ 0.0 v control voltage return loss vs. control voltage insertion loss delta normalized to +25c ( - 40c) insertion loss vs. frequency @ 2.25 v control voltage -8 -6 -4 -2 0 2 4 6 8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1.8 ghz 2.1 ghz 2.4 ghz control voltage (volts) 0 10 20 30 40 50 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 control voltage (volts) 0 10 20 30 40 50 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1.8 ghz 2.1 ghz 2.4 ghz control voltage (volts) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) 0 10 20 30 40 50 60 0.5 1.0 1.5 2.0 2.5 3.0 +25c -40c +85c frequency (ghz) -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 1.8 ghz 2.1 ghz 2.4 ghz control voltage (volts)
2.25 v voltage variable absorptive attenuator, 42 db 1.8 - 2.5 ghz rev. v3 maavss0001 4 4 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 4 typical performance curves insertion loss delta normalized to +25c (+85c) input ip3 vs. control voltage @ +25c input power for 1 db change in attenuation input ip3 vs. control voltage over temperature 0 5 10 15 20 25 30 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1.8 ghz 2.4 ghz control voltage (volts) -8 -6 -4 -2 0 2 4 6 8 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1.8 ghz 2.1 ghz 2.4 ghz control voltage (volts) 0 5 10 15 20 25 30 35 40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 control voltage (volts) 0 5 10 15 20 25 30 35 40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 iip3 @ +25c iip3 @ +85c iip3 @ -40c control voltage (v)
2.25 v voltage variable absorptive attenuator, 42 db 1.8 - 2.5 ghz rev. v3 maavss0001 5 5 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 5 lead - free sot - 25 ? ? reference application note m538 for lead - free solder reflow recommendations.
2.25 v voltage variable absorptive attenuator, 42 db 1.8 - 2.5 ghz rev. v3 maavss0001 6 6 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 6 m/a - com technology solutions inc. all rights reserved. information in this document is provided in connection with m/a - com technology solutions inc ("macom") products. these materials are provided by macom as a service to its customers and may be used for informational purposes only. except as provided in macom's terms and conditions of sale for such products or in any separate agreement related to this document, macom assumes no liability whatsoever. macom assumes no responsibility for errors or omissions in these materials. macom may make changes to specifications and product descriptions at any time, without notice. macom makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions. no license, express or implied, by estoppels or otherwise, to any intellectual property rights is granted by this document. these materials are provided "as is" without warranty of any kind, either express or implied, relating to sale and/or use of macom products including liability or warranties relating to fitness for a particular purpose, consequential or incidental damages, merchantability, or infringement of any patent, copyright or other intellectual property right. macom further does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. macom shall not be liable for any special, indirect, incidental, or consequential damages, including without limitation, lost revenues or lost profits, which may result from the use of these materials. macom products are not intended for use in medical, lifesaving or life sustaining applications. macom customers using or selling macom products for use in such applications do so at their own risk and agree to fully indemnify macom for any damages resulting from such improper use or sale.
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