इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 12970-6-2 (1992): Semiconductor devices - Integrated circuits, Part 6: Analogue integrated circuits - Measuring method, Section 2: Linear amplifiers [LITD 5: Semiconductor and Other Electronic Components and Devices] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 12970 ( Part 6/&c 2 ) : 1992 Indian Standard SEMICONDUCTOR DEVICES - INTEGRATED CIRCUITS PART 6 ANALOGUE INTEGRATED CIRCUITS, MEASURING METHODS Section 2 Linear Amplifiers UDC 730’77’940’3’126 : 573’126 Q 3PB 1992 BUREAU OF INDIAN STANDARDS 9 MANAK BHAVAN, 9 BAHADUR SHAH ZAPAR MARG NEW DELHI 110002 December 1992 PriceG roup1 1 rotcudnocimeS seciveD and detargetnI stiucriC lanoitceS ,eettimmoC DTL 010 STNETNOC PAGE SCOPE . . . . . . . . . 1 REFERENCES . . . . . . . . 1 TERMINOLOGY . . . . . . . . . 1 LETTERS YMBOLS . . . . . . . . . 1 SPECIFICR EQUIREMENTS . . . . . . . 1 POWERS UPPLYC URRENTS( 22 ) . . . . . . . . 3 SMALL-SIGNALI NPUT IMPEDANCE( 23 ) . . . . . . 3 OUTPUT IMPEDANCE( 24 ) . . . . . . . . . 5 INPUT OFFSETV OLTAGEO F A DIFFERENTIAL-INPULTI NEARA MPLIFIERA ND BIAS OIV ,) ( 25 ,) ( 26 ) . . . 7 VOLTAGEO F A SINGLE-ENDED-INPULTI NEARA MPLIFIER( 10 INPUT OFFSETC URRENT( 110 ) ( 27 ) . . . . . . . . 9 11 INPUT BIAS CURRENT( BIZ ) ( 28 ) . . . . . . . . . 11 12 INPUT OFFSETV OLTAGET EMPERATURCEO EFFICIEN(T.0 /o ) ( 29 ) . . . 14 13 INPUT OFFSETC URRENTT EMPERATURCEO EFFICIEN(T 30 ) . . . . . . 14 14 OPEN-LOOPV OLTAGEA MPLIFICATION( 3 1 ) . . . . . . . . . 14 15 CUT-OFF FREQUENCY( FREQUENCIE)S ( SC ) ( 32 ) . . . . . 16 16 COMMON-MODRE EJECTIONR ATIO ( RMC~ ) ( 33 ) . . . . . . 17 17 SUPPLYV OLTAGER EJECTIONR ATIO ( ksv~ ) ( 34 ) . . . . . . 20 18 OUTPUT VOLTAGER ANGE ( D.C. MEASUREMENOTN LY ) FORD IFFERENTIAL AMPLIFIERS( 35 ) . . . . . . . . . 22 19 RESPONSET IMES( 39 ) . . . . . . . . 23 20 COUMON-MODEIN PUT VOLT AGER ANGE ( 42 ) . . . . . . 23 21 SHORT-CIRCUITO UTPUT CURRENT( OF AN OPERATIONAAL MPLIFIER) ( 43 ) . . . 25 22 CROSS-TALKA TTENUATION( FORM ULTIPLEA MPLIFIER) ( 44 ) . . . 26 23 UPPER LIMITINGF REQUENCYF ORF ULL OUTPUT VOLTAGES WING( 45 ) . . . 27 24 MAXIMUMR ATE OF CHANGEO F THEO UTPUT VOLTAGB( SLEW RATE ) 46 ) . . . . . . . . . 28 ( MO‘& ) ( 25 INPUT BIAS CURRENTT EMPERATURCEO EFFICIEN(T 47 ) . . . 30 ..a 26 CUT-OFF FREQUENCYU, NIT-GAIN FREQUENCY ( ,cf 55 ) 30 fi ) ( .a. FOREWORD sihT naidnI dradnatS ( traP teS/6 2 ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht rotcudnocimeS seciveD and detargetnI stiucriC lanoitceS eettimmoC had neeb devorppa yb eht scinortcelE and snoitacinummoceleT noisiviD .licnuoC ( Continued on thirdwover ) IS 12970 ( Part OSec 2 ) : 1992 Indian Standard SEMICONDUCTOR DEVICES - INTEGRATED CIRCUITS PART 6 ANALOGUE INTEGRATED CIRCUITS, MEASURING METHODS Section 2 Llnear Ampllflen 1 SCOPE )b yeht yam ton erusaem a citsiretcarahc rednu the emas snoitidnoc (for elpmaxe a.c. dohtem 1.1 This dradnats (Part ceSI6 2) sedivorp -rusaem ylno or d.c. dohtem .)ylno gni sdohtem for eugolanA detargetnI stiucriC raeniL sreifilpmA gnidulcni lanoitarepO .sreifilpmA ,eromrehtruF emos sdohtem yllausu( dellcbal as dohtem“ a”) are elbatius as yrotarobal ,sdohtem tslihw 2 REFERENCES others yllausu( ’dellebal as dohtem“ )”b arc those ylralucitrap detius ot eb desu ni citamotua test -piuqe 2.1 The naidnl sdradnatS detsil woleb are yrassecen .tnem nI the rettal ,txetnoc ti dluohs eb deton that stcnujda ot siht dradnats : the gniwollof sdohtem nac eb depuorg together as gnimrof a ecneuqes of tests gnisu yllacisab a dexif SI No. Title tnemerusaem :pu-tes 1885 (Part 71 lacinhcetortcelE :yralubacov - laitnereffid tupni secnatsiser dohtem( 7.2 ;)b Set 5) : 1971 Part 7 rotcudnocimeS ,secived noitceS 5 detargetnI stiucric dna - tupni offset egatlov of a lailumeffid tupni scinortceleorcim reifilpma dobtem( 9.2 ;)b 3715 Letter slobmys for -imes - tupni offset tnerruc of a laitucrcffid tupni (Part :)1 1971 rotcudnoc :secived Part 1 reifilpma dohtem( 10.2 ;)b lareneG aspects - tupni saib tnerruc of a laitnereffid tupni -ma 12970 rotcudnocimeS secived - (Part 1) : 1990 detargetnI :stiucric Part 1 reifilp dohtem( 11.2 ;)b lareneG - d.c, egatlov noitacifilpma of a laitncrcffid tupni reifilpma dohtem( 14.2 ;)b 3 TERMINOLOGY - d.c. eulav edom-nommoc uoitcejer oitar of a 3.1 roF ebt esoprup of siht ,dradnats smret dna -ifed laitnereffid tupni reifilpma dohtem( 16.2 ;)b snoitin nevig ni SI 1885 (Part teS/7 5) : 1971 dna snoisivorp of 3 of SI 12970 (Part 1) : 1990 .ylppa - ylppus egatlov noitcejer oitar (for mc or more supplies) (method 17.2 b); and 4 LETTER SYMBOLS - output voltage range (for a laitucreffid tupni )reifilpma dohtem( 18). 4.1 roF the esoprup of siht dradnats rettel slobmys nevig ni SI 3715 (Part 1) : 1971 llahs eb .elbacilppa sihT puorg of sdohtem seriuqer the esu of na -da lanoitid reifilpma dellebal( A ni siht ,)dradnats CIII 5 SPECIFIC REQUIREMENTS stuemeriuqcr of hcihw arc uevig ni 5.3. 5.1 lnreneG ,eromrehtruF siht puorg sdohtem.fo yllausu seriuqer the scitsiretcarahc gnieb dcrusacm ot cb deniatbo ehT gniwollof sdohtem of tnemerusaem arc dcdnctni yb .noitaluclac as lareneg sdohtem elbacilppa ot tsom sepyt of raenil ,sreifilpma gnidulcni lanoitarepo .sreifilpma ehT tsil of tnemerusaem sdohtem si ton dednetni ot eb etelpmoc dna yam eb dednetxe ni CIII .rrutuuf roF ynam ,scitsiretcarahc two tnereffid sdohtem of tnemerusaem are .nevig tI dluohs eb deton that nI niatrec stnemerusaem (for clpmaxc tesffo“ ”egatlov these sdohtem yam ton eb yltcerid ,tnelaviuqe ni dna tesffo“ )”tnerruc the deificeps scitsiretcarahc ylpmi that :rehtie tnemerusaem at the tupni of the .reifilpma ehT sdohtem yllautca esu stucmerusacm edam 31 the 4 yeht yam eb elbacilppa ot tnereffid sepyt of tuptuo ni order ot esu the niag of the reifilpma ot sreifilpma (e.g. dedne-elgnis or laitnereffid ecuder the effect of ecnadepmi uo the tucmcrusaem tupni ,)sepyt or .tniop 1 IS 12970 ( Part 6/Set 2 ) : 1992 5.2 General Precautions ecneulfni of the latnemnorivne ,snoitidnoc ylralucitrap .erutarepmet erehW lareves d.c. stnemerusaem are 5.2.1 Care dluohs eb nekat gnirud lla stnemerusaem ot eb edam ni order ot enimreted the eulav of a ot niatrecsa that on citisarap snoitallicso .rucco ,citsiretcarahc the emit lavretni neewteb hcus stnemerusaem dluohs eb as short as .elbissop 5.2.2 ynA yrailixua or gnizilibats stiucric deificeps yb the rerutcafunam llahs eb .detcennoc 5.3 Requirements for the Additional Amplifier A (Null Amplifier) and Associated Components 52.3 llA power seilppus dluohs evah yllaitnesse zero ecnadepmi at the langis seicneuqerf desu ni the The puorg of sdohtem elbatius for citamotua gnitset esu the reifilpma rednu tnemerusaem dna na -idda .stnemerusaem lanoit laitnereffid tupni reifilpma A ni a pool-desolc 5.2.4 nehW the tnemerusaem si ot eb edam rednu ,tnemegnarra nwohs ni kcolb mrof in .giF 1. langis-llams snoitidnoc no a raenil part of the -ni sihT reifilpma A together htiw sti detaicossa -moc tegrated stiucric ,citsiretcarahc the a.c. slangis stnenop setutitsnoc a llun“ .”reifilpma deyolpme dluohs eb hcus that a evissergorp decrease ni rieht sedutilpma stluser ni elbigilgen segnahc ni ehT deriuqer scitsiretcarahc for the stnenopmoc of the retemarap eulav nihtiw the derised .ycarucca the cisab tiucric nihtiw the dotted senil are as :swollof 5.2.5 sselnU esiwrehto stated, the tneibma or -fer tniop-ecnere erutarepmet dluohs eb nihtiw 2 2OC of the deificeps eulav gnirud lla .stnemerusaem Amplifier A tI dluohs ylbareferp evah scitsiretcarahc ralimis ot 5.2.6 nehW the detargetni tiucric si detcennoc ot those of the reifilpma rednu ,tnemerusaem tub -rap or detcennocsid morf the tnemerusaem ,tiucric care ylralucit : tsum eb nekat ot erusne that the gnitimil snoitidnoc of esu are ton exceeded gnirud hcus .snoitarepo - na pool-nepo noitacifilpma greater naht 60 ;Bd 5.2.7 erehW ,deriuqer the ylppus segatlov tsum eb - na etauqeda tuptuo egatlov ;gniws dehctiws no ni the correct .ecneuqes - na etauqeda edom-nommoc tupni egatlov 5.2.8 nI gnikam d.c. ,stnemerusaem ti si elbissop egnar for the tuptuo egatlov of the detargetni that emos sretemarap yam egnahc rednu the tiucric rednu .tnemerusaem E, = common-mode voltage squrce. Va = reference voltage. RR R,= - RI +R* FIG. 1 BASIC BLOCK hGRAM FOR AUTOMA~C% lTNG 2 IS 12970 ( Part 6/Set 2 ) : 1992 Other (~onqmnents 7.1.1 Purpose The srotsiser R, dna R, arc added ot edivorp elbatius oT erusaem the seulav of the laer dna yranigami niag dna tupni scitsiretcarahc for reifilpma .A yehT tuohtiw( regard ot )ngis parts of the tupni ecnadepmi dluohg t&m the gniwollof .st&neriuqcr of a raenil .reifilpma >> tuptuo ecnatsiser of reifilpma rednu 7.1.2 Circuit Diclgmm ,R .tncmcrusaem NOTES >> yna daol ecnatsiser across the tuptuo of ,R reifilpma rednu .tnemerusaem 1 2, is equal IO the characteristic impedance of the attenuator. ,R << R,. 2 roF single ended output, P should be earlhed. roF symmetrical outputs, P should not be earthed. % >> tuptuo ecnatsiser of reifilpma .A 7.1.3 Circuit Description and Requirements >> tuptuo ecnatsiser of reifilpma .A Rr nI ,lareneg the raenil reifilpma yam eb deredisnoc ,eromrehtruF R, dluobs evah as llams a eulav as as a tupni-eerht lanimret ,krowten dna tnemerusaem ,elbissop tnetsisnoc htiw the other .stnemeriuqer of tupni ecnadepmi yam eb deriuqer neewteb yna riap of tupni .slanimret roticapaC C yam deen ot eb added ot diova yna citisarap noitallicso ni the tnemerusaem .pu-tes erugiF 2 shows the cisab tnemerusaem ,pu-tes ni hcihw the tupni slanimret are .decnalabnu ehT -saem 6 POWER SIII’PI,Y STNERRUC (22) tnemeru lliw yllamron eb edam htiw the lanimret 2 earthed, tub yam eb edam htiw a deificeps saib 6.1 Purpose tiucric detcennoc neewteb lanimret 2 dna the -fer ecnere lanimret fi so deriuqer yb ebt .noitacificeps crusacm the eulav of the tnerruc nward morf To the power ylppus rednu zero ro/dna mumixam tuptuo ehT cisab tnemegnarra yam eb deifidom ot timrep langis .snoitidnoc tnemerusaem of tupni ecnadepmi rednu decnalab snoitidnoc (for ,elpmaxe for the two tupni slanimret 6.2 Precautions to be Observed of a laitnereffid tupni ,)reifilpma as nwohs ni .giF 3. ehT rednimer of the tnempiuqe sniamer as SL’C’ 5.2 no lareneg .snoituacerp nwohs ni .giF 2. 6.3 Measurement Procedure rotsiseR R, si a ycarucca-hgih detarbilac .rotsiser ehT tcejbo of the tnemerusaem si ot niatbo two nwonk ehT ylppus segatlov arc set ot the deificeps .seulav seulav of the rotsiser R, ,hcihw together htiw nwonk sgnittes of the ,rotaunetta niatniam the tuptuo egatlov ynA yrasscccn gnisaib stiucric arc detcennoc ot the V, at a dexif .eulav ehT eulav of the tupni -dcpmi dctargctni tiucric as ,deriuqer dna the saib -idnoc etna yam neht eb detaluclac as :swollof snoil are set ot thr deificeps .)s(eulav A deificeps langis ecruos dna a deificeps daol are ehT tupni tiucric yam eb detneserper as nwobs ni deilppa ot the detargetni .tiucric .giF 4. htiW zero tuptuo langis ro/dna mumixam tuptuo -gis tI yam eb ilwohs that : ,lan the seulav of tnerruc morf each ylppus are .deton 4 =( + )4 6.4 Specified Conditions 1 + tneibmA or tniop-ccncrefer .crutarcpmet R= t zX Power ylppus .)s(egatlov where R t Xj si the tupni .ecnadepmi tupnI ecruos ccnadeifmi dna tuptuo daol .ccnadcpmi sihT noitauqe sniatnoc two snwonknu (R dna X) dna yeht yam eb detaulave yb gnidnif two seulav of R, saiB ro/dna offset noitasnepmoc .)s(krowten for known ratios of VJV . The dohtem stceles seulav tupnI langis ,level ycncuqcrf dna .mrofevaw of 2 dna 4 for the oitar V,f V, gnidnopserroc ot segnahc ni the rotaunetta gnittes ,no& the laitini )gnittes lo snoitidnoC at other .slanimret 6 dB dna 12 dB. The eulav of V2 si deniatniam Loop .snoitidnoc ,tnatsnoc V, ylno gnieb .deretla 7 ,lANGISLIAMS TJI’INI ~11(NA)I~I’IMI (23) ehT daol rotsiser R, dluohs cb nesohc so laht rhI tiucric si gnitarepo llew nihtiw deificeps -IIOC 7.1 ltohtrM n .snoilid 3 SI 12970 ( Part (C/See 2 ) : 1992 ehT eulav of the rotaunetta ecnadepmi dluohs eb 7.1.4 Precautions to be Observed very wol derapmoc htiw the tupni ,ecnadepmi that See 5.2 no lareneg .snoituacerp si : 7.1.5 Measurement Procedure z =+<< 1 100 ehT detargetni tiucric si detcennoc ni the -erusaem tnem tiucric as nwohs rehtie ni .giF 2 or .giF 3. O.C. SUPPLIES - AttENUAtOP . INTEGRAM CIRCUIT f UNOER ~ASURE.*ENI RL “0 4 B2 1 LPI I I o------------REFERENCE 1 2Q I I FIG. 2 MEASUREMENCTI RCUIT TWNIH~~ TERMINALS DECNAIMENU DETARGETNI 2 “RW UNDER LCASUREHENT NOTE-Z, is equal to the characteristic impedance of the attenuator. FIG.3 I~~~UREMENCTI RCUITW ITH TUPNI TERMINALS DECNALAB - ATT ENUAtOA FIG.~ EQUVALENTCIRCUITREPRESENTATION 4 IS 12970 ( Part 6/Set 2 ) : 1992 ehT saib dna ylppus segatlov are set ot the -iceps yletam lauqe ot ri,, the laitnereffid tupni deif .seulav htiW hctiws S ,desolc the langis -neg ecnatsiser of the detargetni tiucric rednu -s~;cm erator si set ot the deificeps ,ycneuqerf dna sti tuptuo ;tnemeru dna the gnittes of the rotaunetta are detsujda hcus that na detrotsidnu tuptuo langis V, si .deniatbo A - the eulav of rotsiser R0 dluohs eb rellams check dluohs eb edam to. erusne that the tiucric si naht R, hcihw ni nrut dluohs cb rellams I~;III gnitarepo nihtiw sti raenil gnitarepo ,noiger as stated 'id' ni the lareneg snoituacerp .noitces - roticapac C tsum evah a yrev wol -timda ecnat at the ycneuqerf of .tncmcrusacm hctiwS S si neht ,denepo dna the rotaunetta gnittes decuder yb 6 .Bd A eulav of 8, si deniatbo so that ehT oitar neewteb R, dna R0 dluohs eb nesohc so the tuptuo level of V, si dehsilbatse .niaga that egatlov V does ton exceed the tuptuo egatlov gniws of pma k reif i * A. ehT rotaunetta gnittes si decuder yb rehtona 6 Bd (that ,si 12 Bd no the laitini ,)gnittes dna a dnoces 7.2.4 Prectrutions to be Observed eulav of ,R deniatbo so that the tuptuo level of V0 si .deniatniam See 5.2 01: lnencg .snoituacerp ehT seulav of the laer dna yranigami 7.2.5 Mensurement Procedure COI~~IKX~~S of the tupni ecnadepmi nac eb deniatbo yb -uclac ehT detargetni tiucric si detcetmoc ni the -crusacm .noital tI lliw yllausu eb tneinevnoc ot tcurtsnoc elbatius tnem tiucric as nwohs ni .giF 5. graphs morf hcihw the deriuqer seulav nac eb read off .yltcerid ehT ylppus egatlov are set ot the deificeps .seulav NOTE - If the input impedance is essenrially resistive (for hctiwS ,S si ,desolc hctiws ,S si dctccnnoc ot earth example, at a sufficiendy low frequency), the measurement dna hctiws ,S si detcennoc ot the langis .ecruos may he simplified. In this case only the first 6 dB change of the altenualor selling is made and the value of R, required IO maintain ihe output voltage V. is then directly equal IO sehctiwS ,S dna ,S are tsrif ,desolc dna the IU~IUO the input resistance. cgallov VuR_O, si .dcrusacm 7.1.6 Specified Condifions sehctiwS ,S dna ,S are neht denepo dna ch~ OUI~UI - tneibmA or tniop-ecnerefer .erutarepmet egatlov VuR+ si .derusaem - Power ylppus .)s(egatlov ehT laitnereffid tupni R2 - saiB ro/dna offset noitasnepmoc .)s(krowten atsiscr ncc r ad = V ],&HUV/IO.RiL ’- - tupnI langis level dna .ycneuqerf [ - ecnerefeR tuptuo .egatlov 7.2.6 Specified Condilions - tuptuO daol ecnatsiser R,. - tneibmA for tniop-ecnerefer .crutarcpmct - snoitidnoC at other .slanimret - Power ylppus .)s(segatlov - lanoitiddA ,skrowten where etairporppa - saiB .)s(egatlov 7.2 Method b (Applicable only to Differentid - tupnI langis level dna .ycncuqcrf Input Ampllflers) - tupnI ecruos ecnadepmi 7.2.1 Purpose - tuptuO daol ecnatsiser R,. oT erusaem the eulav of the laitnereffid tupni -er ecnatsis of a laitnereffid tupni .reifilpma - snoitidnoC at other .slanimret NOTE - In order to be able to consider the input imped- - lanoitiddA ,skrowten where .etairporppa ance as a pure resistance, the measurement signal frequency must be sufficiendy low so that there are no oignificanl phase differences between the voltages at Ihe input terminals of 8 OIJ-l’l’llT IMPEDANCE (24) the amplifiers lo be measured with or without the series resistor R. 8.1 Method a 7.2.2 Circuit Dinpm 0.1.1 PirrJmc 7.2.3 Circuit Descripion and Reqrrirements oT erusaem the seulav of the laer dna yranigami AreifilpmA dluohs mrofnoc ot the stncmeriuqcr given tuohtiw( regard ot )ngis parts of the tuptuo -dcpmi ni 5.3. In ,noitidda the eulav of the srotsiser dluohs . ccna of a raenil .reifilpma eb nesohc as :swollof - the eulav of rotsiser R dluohs cb -ixorppa 8.1.2 Ciruril Dicrgrtrm