digital attenuator 15.0 db, 4 - bit, ttl driver, dc - 3.0 ghz rev. v5 at - 213 - pin 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 ? attenuation: 1 db steps to 15 db ? temperature stability: 0.18 db from C 55c to +85c typical ? low dc power consumption ? hermetic surface mount package ? integral ttl driver ? 50 ohms nominal impedance ? lead - free cr - 11 package ? 260c reflow compatible ? rohs* compliant description m/a - coms at - 213 - pin is a 4 - bit, 1 db step digital attenuator in a hermetically sealed ceramic 16 - lead surface mount package. the at - 213 - pin is ideally suited for use where high accuracy, fast switching, very low power consumption and low intermodula- tion products are required. typical applications in- clude dynamic range setting in a precision receiver circuits and other gain/leveling control circuits. envi- ronmental screening is available. contact the fac- tory for information. ordering information part number package at - 213 - pin bulk packaging note: reference application note m513 for reel size information. functional schematic pin configuration pin no. function pin no. function 1 c2 9 rf2 2 gnd 10 gnd 3 c1 11 gnd 4 gnd 12 gnd 5 gnd 13 vee 6 gnd 14 vcc 7 gnd 15 c4 8 rf1 16 c3 * restrictions on hazardous substances, european union directive 2002/95/ec. the metal bottom of the case must be connected to rf and dc ground. rf 2 gnd gnd gnd vee vcc c 4 pin 16 c 3 rf 1 gnd gnd gnd gnd c 1 gnd orientation mark c 2 pin 1 8 db 4 db 2 db 1 db
digital attenuator 15.0 db, 4 - bit, ttl driver, dc - 3.0 ghz rev. v5 at - 213 - pin 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 electrical specifications: t a = - 55c to +85c 1 parameter test conditions frequency units min typ max reference insertion loss dc - 0.5 ghz dc - 1.0 ghz dc - 2.0 ghz dc - 3.0 ghz db db db db 1.7 1.9 2.2 2.5 attenuation accuracy 2 any single bit any combination of bits dc - 2.0 ghz dc - 3.0 ghz dc - 2.0 ghz dc - 3.0 ghz (0.15 db +3% of atten setting in db) db (0.2 db +3% of atten setting in db) db or 0.4 db, whichever is greater (0.2 db +3% of atten setting in db) db (0.2 db +3% of atten setting in db) db or 0.4 db, whichever is greater vswr ratio 1.6:1 trise, tfall 10% to 90% ns 9 ton, toff 50% control to 90/10% rf ns 40 transients in - band (peak - peak) mv 30 1 db compression input power input power 0.05 ghz 0.5 - 3.0 ghz dbm dbm +22 +28 input ip3 for two - tone input power up to +5 dbm 0.05 ghz 0.5 - 3.0 ghz dbm dbm +40 +50 input ip2 for two - tone input power up to +5 dbm 0.05 ghz 0.5 - 3.0 ghz dbm dbm +45 +68 vcc v 4.5 5.0 5.5 vee v - 8.0 - 5.0 icc vcc = 4.5 to 5.5v vctl = 0 to 0.8v, or vcc C 2.1v to vcc ma 4.0 iee vee = - 5.0 to - 8.0v ma 1.0 vctl vctl logic 0 (ttl) logic 1 (ttl) v v 0.0 2.0 0.8 5.0 input leakage current (low) 0 to 0.8v a 1.0 input leakage current (high) 2.0 to 5.0v a 1.0 1. all specifications apply when operated with bias voltages of +5v for vcc and C 5.0v for vee. 2. this attenuator is guaranteed monotonic.
digital attenuator 15.0 db, 4 - bit, ttl driver, dc - 3.0 ghz rev. v5 at - 213 - pin 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 absolute maximum ratings 3,4 parameter absolute maximum max input power 0.5 ghz 0.5 - 3.0 ghz +27 dbm +34 dbm v cc - 0.5v v cc +7.0v v ee - 8.5v v ee +0.5v v cc - v ee - 0.5v v cc - v ee 14.5v vin 5 - 0.5v vin v cc + 0.5v operating temperature - 55c to +125c storage temperature - 65c to +150c 3. exceeding any one or combination of these limits may cause permanent damage to this device. 4. m/a - com does not recommend sustained operation near these survivability limits. 5. standard cmos ttl interface, latch - up will occur if logic signal is applied prior to power supply. 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. truth table (digital attenuator ) control inputs c4 c3 c2 c1 attenuation 0 0 0 0 reference 0 0 0 1 1 db 0 0 1 0 2 db 0 1 0 0 4 db 1 0 0 0 8 db 1 1 1 1 15 db 0 = ttl low; 1 = ttl high attenuation accuracy vs. frequency typical performance curves ref. insertion loss vs. frequency rf1 vswr vs. frequency -0.60 -0.40 -0.20 0.00 0.20 0.40 0.60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 fre que ncy (ghz ) deviation from nominal atten (db) 1 d b 2 d b 4 d b 8 d b f ull a t t enuat io n 0 0.5 1 1.5 2 2.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 fre que ncy (ghz ) insertion loss (db) + 85 c + 25 c - 55 c 1.0 1.1 1.2 1.3 1.4 1.5 1.6 0.0 0.5 1.0 1.5 2.0 2.5 3.0 fre que ncy (ghz ) vswr 1 d b 2 d b 4 d b 8 d b r ef er ence lo ss st at e
digital attenuator 15.0 db, 4 - bit, ttl driver, dc - 3.0 ghz rev. v5 at - 213 - pin 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 rf2 vswr vs. frequency typical performance curves lead - free, cr - 11 ceramic package ? ? reference application note m538 for lead - free solder reflow recommendations. 1 1.1 1.2 1.3 1.4 1.5 1.6 0.0 0.5 1.0 1.5 2.0 2.5 3 fre que ncy (ghz ) vswr 1 d b 2 d b 4 d b 8 d b r ef er ence lo ss st at e
digital attenuator 15.0 db, 4 - bit, ttl driver, dc - 3.0 ghz rev. v5 at - 213 - pin 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 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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