LM776

LM776 NSC | Alldatasheet

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Semiconductor . Multi-Purpose Programmabie Operational Amplifier General Description Features The LM776 Programmable Operational Amplifier is con- ™ Micropower consumption structed using the Planar Epitaxial process. High input im- ™@ +1.2V to +18V operation pedance, low supply currents, and low input noise over am =No frequency compensation required wide range of operating supply voltages coupled with pro- Low input bias currents grammable electrical characteristics result in an extremely | Wide programming range versatile amplifier for use in high accuracy, low power con- = High slew rate ‘sumption analog applications. Input noise voltage and cur- Ll 9 . rent, power consumption, and input current can be opti Low noise . mized by a single resistor or current source that sets the ™ Short circuit protection chip quiescent current for nano watt power consumption or ™ Offset null capability for characteristics similar to the LM741. Internal frequency @ No latch up compensation, absence of latch up, high slew rate and short . circuit current protection assure ease of use in long time Applications integrators, active filters, and sample and hold circuits. '§ Battery-powered instrumentation @ High-gain amp @ Filters @ Sample-and-Hold Connection Diagrams Ordering Information Device Package Package 8-Lead Metal Package Code Code Description ber LM776H HOBA Metal OST tol “ LM776CH HOBA Metal Pin LM776CN Nose Molded DIP iN te 20 OUT bP 5, ‘OFFSET +N O NULL TLH/10073-1 Top View Lead 4 connected to case. 8-Lead DIP worrsert J a NULL 7 SET = ve +n Sout y-4 '5_+0FFSET NULL TLH/10073-2 Top View 3-695

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5 Absolute Maximum Ratings

= If Military/Aerospace specified devices are required, Supply Voltage +18V please contact the National Semiconductor Sales Differential Input Voltage +30V Office/Distributors for avaltability and specifications. input Voltage (Note 3) + 1BV Storage canpersiure Range 650 to 41750 Voltage Between Offset Null and V— £0.5V Molded DIP. 65°C to + 150°C Output Short Circuit Duration (Note 4) Indefinite Operating Temperature Range 'ser (Maximum Current at get) 500 pA Extended (LM776M) —55°C to + 125°C Vget (Maximum Voltage to Commercial (LM776C) O°C to +70°C Ground at Iser) (V+ — 2.0V) < Vgeq < V+ Lead Temperature ESD Tolerance (to be determined) Metal Can (Soldering, 60 sec.) 300°C Molded DiP (Soldering, 10 sec.) 265°C Internal Power Dissipation (Notes 1, 2) 8L-Metal Can 1.00W 8L-Molded DIP 0.93W LM776 Electrical Characteristics 1, = 25°C, voc = + 18V, unless otherwise specified cree] | comme aT om Vio | inputottsetvotage [Retox | no | sof | 20 | 50 | mv Vioag | Input crise Votiage AdiustmentRange | | tao | | ta || mv io | impurorteetcurent fT for [aot | 20 | a5 [na ww [imputsiescurent fT feo fs | ts | 50 [na 2 |inputimpedance To TT so Tn loo [supptyGurent TT co fas [| to [veo | pa Pe [PowerGonsumpton PT fore Ts | mw los__[OutputShortGreutcurent | Tf go TT Pe Tm Ays | Large Signal Voltage Gain [vo= +i0v.r,275ka | 200] aol Tt TT my [Vo=stovrrzsoxa[ | [| 100 [ 400 [7 | Vor i ere v uasown | [| [eof erat | TR _| Transient Response vi=20mv,R,=50K0,| | 16] | [oas! | us a ae A= somaya to [pot fT fot [x sa__[stowrete T= sonmave to [for] [Tos] | vive The following specifications apply — 55°C < Ta < +125°C Vio _[inputorisetvottage Ss [sstonn TT fot [Teo] mv to Tesora gee ta nA [m=-sro | To Tf | we _| Input Bias Current [tm=+aec TT zst Toy [m= see | | [| | feo] log __[Supplycurent To Tf 00 |p Pe [PowerGonsumption | TT fo | feo | mw cmA [Common Mode Rejection AssioKn [70 | eo | | vo | oo | | oe Vin |imputVotageRange | eto] Teo Tv PSRA [PowerSupplyRejectionRatio [Ass tonn || 2s | aso [| 26 | 160 | aviv Avs | LergeSignalvoltageGain [Vo = +tovir.z7sun [roof [7 [7s [| [wmv Vor _[Outputvottageswing [= rena [eto] [ew Tv 3-596

Electrical Characteristics 1, = 25°C, voc = +3.0V, unless otherwise specified o ses] ream | cone Ect fe SM Wio__| inputorsetvoage ss [sstoxe || 20 | so | | 20 | 50 | mv “fg el Tl Range uo | inputOrtset Curent | | fo [xo] | 20 | 15 | na tg | inputiescurent [| co | zs || ts | 50 | ns 2_[nputimpecancs | | to || so || un too [Suopycuren TT ta fo || 100 | 100 | na Pe__[PowerGonsumpton | |S va [veo] | 700 | 260 | aw [vo=siovrzsonn| | | | so | 200] | TR jTamennowore [Reena |W oehne f—pe tt — t us aeons to Toto t fT ts ts sa [sowrae [= sonmav=10 | [oo] [ foas| | wins The following specifications apply —55°C < Ta < +125°C Vio | impurortsetvorage ss [sstorn | Too TT oo | my we [imvomscemt anaes Pte Ya [mano TT to | a | | | te jreweronen faze ff fest 1 _t 8] nA | Ee | \\iec [suppycurent Ts | 180 | na Pe | PowerGonsumption | TT ts] 080 | a cmR | CommonMode Rejection [Ags ioKn | 70 | a6 | | 70 | 06 | | a8 | [Min [inputvonagerenge | eto fT eto Tv Vor [owewvonne Sern fn _{se} see t v [meso | TT etofezsy | Note 1: T; max = 150°C for the Molded DIP, and 175°C for the Metal Can. Note 2: Ratings apply to ambient temperature at 25°C. Above this temperature, derate the 8L-Metal Can at 6.7 mW/*C, and the 8L-Molded DIP at 7.5 mW/*C. Note 3: For supply voltages less than + 15V, the absolute maximum input voltage is equal to the supply voltage. Note 4: Short Circuit may be to ground or either supply. Rating applies to 125°C case temperature or 75°C ambient temperature for Iser < 30 pA. 3-597

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5 LM776C

Electrical Characteristics 1, = 25°C, Voc = +15V, unless otherwise specified ont Preemie “ Vio | tmpuorisetvotage [Asstonn || 20 [oo | | 20 | oo | mw ea fgreere [Tel tel Le Range to | wowonsercurent | Tf or foo | | 20 | a6 | na we _[Wousiescuret [Tf eof to || 15 | 50 | nn Z| mputimpodanco TT ST | |S] | too | Suppyourent TT | ao | oo |‘ a0 | t00 | pa Pe | Powerconsumpton | TST foo | | iss | mw los [Ouputshoncroutourent [TT so | TS | ae | oma me |taieSpaivomm can [yoann sm [= Le [|p [vo=stvrasonn| | | | 60 | oo] | Vor | Output Voltage Swing [r=veofevfaul TT Ty [u=sonm TT [eof ata] | TR Transient Response vi=zomv.r.2>50K,| [16] | [oss] | as Am torrav=to fo fo tT Tt l [x sa |sewnate i= sonnay=10 | for| [ [os] [wns The following specifications apply 0°C < Ta < +70°C Vio | inpurorsetvorage [Agstonn || fs] || 75 | aw to [retommomen Fase fT eof Tas nA [msec TT Po To | ip fitsworen fase fT Fe fF a aA Sc too | Supptycurent PTs | [200 | na Pe Powerconsumption | | tos || 0 | mw cmR | CommonMode Rejection [Agtoxn | 70 | 90 | | 70 | | | oe Vin__[inputVotagerange [fat] | Sf vo] ~~ Sd|v PSAR | PowerSupplyRejecton Ratio [Ags toxn | «| 25 | 200| | _2s | 200 | uv Avs__| Large Signal VotageGain [Vo=ttov.ne75un | so | | | so] | ‘| wmv Vor ourpurvontageswing T= reat atof =| fof =| «sv 3-598

Electrical Characteristics 1, = 25°C, Vcc = +3.0V, unless otherwise specified @ crt remme | cme Ee Yo [hoaOtenvonge [agzvonn | P20 [00 | [20 | eo [aw Nl Range to | inputortestcurent | Tf or foot | 20 | a5 | na ta |inputBiescurent | Tf co to | as | 50 | nw Z| mputimpesanco | To TT so || too | Suppiycurent TT ta | co | 10 | azo | pa Pe | power Cormmnn re fn |r eo | los__| OutputshortGireuitcurent [Tf go | | so || ma Avs [irsesiravencin ponsiwmemte pet tt Viv [vo=siovrzsonn| | | | 2s | 200] | The following specifications apply 0°C < Ta < +70°C Vio [inpurortsstvotage —[sstone TT rs TT 7s | mw Im=oo TT fo To | [meoo To TT 00 | ce | Sapwewren pos Fe | Por omsonpion |] | fe] Ya cur | CommonModeReecion | Agstoxn | 70 | a6 | | vo | os || oe Via | tnputvottagerange | sf ttf tof Tv PSRR | PowerSupplyRejectionRaio [Ass toxa || 25 | 200 a5 | 200 | aviv how sim zcom] || =] | —] a a [aasomn TTT sofses] | 3-599

= Equivalent Circuit Ney 7 “ Q23 7. el Ce -W 50a, Cy 02h ban RE OUT 022 1000 | a CS : re 06 1002, = OFFSET + OFFSET Lj RS ‘NULL NULL 500 024 _ Uy Cd 10ka aig ati | Q10 a . 3-600

Typical Performance Characteristics for LM776 and LM776C 5 o Input Bias Current vs Input Bias Current vs Input Offset Current vs

100 Set Current » Temperature 5 Temperature

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3 CHUA 2" CCCCPeN BCC SS

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0.01 Ot 1 10 100 6 -20 so 8100) «140 0-200 6 10 140

‘SET CURRENT (uA) ‘TEMPERATURE (°C) TEMPERATURE (°C) Change In Input Offset Change in Input Offset Voltage Input Noise Voltage vs Voltage vs Set Current vs Temperature (Unnulled) 42 Set Current 3 "oT cs: 3 "7 TILL ; Seo 8 oil £3.0V Vee 8 18V y™ Coo 2 igs FRB aloes tev OCT ghee tn wo SET TTT 0 ra 9 ou SERS ePOS e eee io iN 200 SS ees Ses: el 3 ep COLI 3 so LL ET TTT I ier EE 0 1 10 100 “0 -200 ao 100 140 0.01 On 1 10 100 ‘SET CURRENT (4A) ‘TEMPERATURE (°C) ‘SET CURRENT (uA) Input Noise Voltage and Input Noise Current vs Optimum Source Resistor for ages _Cuttent vs Frequency jo2s Set Current sco Minimum Noise vs Set Current 2""( Geel) 2 2° Geass = “Oooo s ar SS ost eee gz RS

23.0 SVo, st tay | 10°98 eee Coe)

BE abet] 8 8 Ce CNT g SEER 8 2 aS eo EHEC o's BNESae : “Hee 1 KT ESF taller = 1.5 ual | SHS ate He Eo So Boge Lot ee 8 8 po CEH tte oy CLUE TIFT S80) 10 100 1.0 19k 100k O.0f Ot 1 40 100 oot Or 1 10 100 FREQUENCY (Hz) ‘SET CURRENT (uA) ‘SET CURRENT (uA) Output Voltage Swing vs Output Voltage Swing vs Gain Bandwidth Product vs Load Resistance Supply Voltage Set Current > = Sar Sra [eae yd gee OTT) rs Hsien = ® PON & RRS BCs aa esr vou Thr 3 CVU TT 2 . | wR eee g 215 i Heo ae ainsi Bo. Her sr ae F 10 A] Lier i ry 4 sees @ ee ‘ZEE TTT) Aaiieeciineain 1.0K 10k 100k 1M O £3 £6 £9 £12 215 £18 01 1 10 100 LOAD RESISTANCE (0) ‘SUPPLY VOLTAGE (V) leer SET CURRENT (uA) Tunrio07s-4 3-601

o nS =| Typical Performance Characteristics for LM776 and LM776C (continued) a Voltage Gain vs Voltage Gain vs Power Supply Rejection Temperature Temperature s Ratlo vs Set Current Tw [J TT TT [recresov] F ie [TT TT [vere] 3 [raves TTT) = ol || LITT TTT = ino LT Tie 2 » ailing

3 Heke 3 0 Hae = “COTE TT

Sol TTI Ng eo 7 Peesia NT j aI 8 lt tte 2 wolf LEAN eee TT | 5 0 HEE eee S BaeeGaGeNe Eo COT Zo LT TTT [| gm LT ITI [| LUT LET TTT TT TT) LITT TT ETT LUT TT Tar} ° ° oOo -w Dw wm 10 140 oO -0 Dw © 10 140 O1 1 10 100 ‘TEMPERATURE (°C) ‘TEMPERATURE (°C) ‘SET CURRENT (4A) Thermal Response of Input ‘Supply Current vs ‘Standby Supply Current vs Offset Voltage to Step Change » Temperature 1000 Set Current om of Case Temperature a TT RY - or [rooney | 3 Reser 4 eee TH ae ——|. oo FOIA § eee gz oars CoCo er 3 tb wt TT Smstins earn eof eet Try HE] LEB BO TT a 5 FH :™ COPEL co CoC Vet BSv epee = oI} = seen =. ————— Sate eerste eric ott ttt ents | * EHEEHIE SHEA HIA § CoCr | Oo -D 6 100 140 0.01 O41 1 10 100 2 o a ” 0 wo TEMPERATURE (°C) ‘SET CURRENT (uA) TE FROM HEAT APPLICATION (s) Stabilization Time of Input Offset _Input Offset Voltage Drift Voltage from Power On vs Time Siew Rate vs Set Current o-LET TT 3 CCC ery “Coro gs ELIT perm i) Se etictiesaiira Pata a

5 LPT oft TT raw ne | = FREER

ott TAT TTT Ty g [Lert tt Tr # a Oa | Seis. sie ascii al Ae a # oa Heer eH oe iz n an 207 wot | tye TTT 1 | WA estes artes ear eee [Tinta otteot Votiage < 1.0 nV] oF LTTE TTT) ooo COUZE TTT TTT TOR2 3S 456789 0 20 400 60 BO 1000 0.01 OF 1 10 100 TIME FROM POWER APPLICATION (Min) ‘TIME (Hire) ‘SET CURRENT (uA) Voltage Follower Transient Response (Unity Gain) Set Current vs Set Resistor “LIT ot oor) i Rast vv SS f° KASH a MEM eT es Pane Sec Sie Bede] CASS | TP TTT Ween sisy en nn E Pe ™ peaeaiaees oe i CL SE HES OS 0 05 10 15 2 25 On 1 10 100 ‘Tee (us) ‘SET CURRENT (yA) Tunri0079-5 3-602

Applications Information x oa Quiescent Current Setting Resistor Iser Equations (lser to V-) leer = M2097 =>) iger = M297 = 7) a ‘ where: 1.5 pA 15 yA Riser is connected to V- +1.5V 1.7M0 170kA ger = WE 97 Ret +6.0V 75M. 750k Riser is connected to ground, ‘Note: The LM776 may be operated with Rget connected to ground or V. Biasing Circuits Resistor Blasing Voltage Offset Null Circuit Ve y 6 2 6 3 5 Vo 3 (8 Reet 100k 4 * Reet “= ‘TUH/10073-6 TUHI10073-9 Reet Connected to Ground FET Current Source Blasing ve i 2 Z A 3 Vo 8 3 ( RI : Rser i Ye | fa TUH/10073-7 H ger Connected to V- - “Recommended for supply voltages less than +6V. ‘TL/H/10073~10 Transistor Current Biasing Transient Response Test Circuit 2 3 | 8 3 Vo ‘a WO ser “ * = v- = Rt TUH/10073-11 ve TUH/10073-8 3-603