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TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003FAMILY OF MICROPOWER RAIL-TO-RAIL OUTPUTOPERATIONAL AMPLIFIERSFEATURESDBiMOS Rail-to-Rail OutputDInput Bias Current...1 pADHigh Wide Bandwidth...160 kHzDHigh Slew Rate...0.1 V/µsDSupply Current...7 µA (per channel)DInput Noise Voltage...89 nV/√HzDSupply Voltage Range...2.7 V to 16 VDSpecified Temperature RangeDDESCRIPTIONThe TLV27Lx single supply operational amplifiersprovide rail-to-rail output capability. The TLV27Lx takesthe minimum operating supply voltage down to 2.7 Vover the extended industrial temperature range, whileadding the rail-to-rail output swing feature. TheTLV27Lx also provides 160-kHz bandwidth from only7µA. The maximum recommended supply voltage is16V, which allows the devices to be operated from(±8-V supplies down to ±1.35 V) two rechargeable cells.The rail-to-rail outputs make the TLV27Lx goodupgrades for the TLC27Lx family—offering morebandwidth at a lower quiescent current. The TLV27Lxoffset voltage is equal to that of the TLC27LxA variant.Their cost effectiveness makes them a good alternativeto the TLC/V225x, where offset and noise are not ofpremium importance.The TLV27L1/2 are available in the commercialtemperature range to enable easy migration from theequivalent TLC27Lx. The TLV27L1 is not available withthe power saving/performance boosting programmablepin 8.The TLV27L1 is available in the small SOT-23 package—something the TLC27(L)1 was not—enablingperformance boosting in a smaller package. TheTLV27L2 is available in the 3mm x 5mm MSOP,providing PCB area savings over the 8-pin SOIC and8-pin TSSOP.SELECTION GUIDEDEVICETLV27LxTLV238xTLC27LxOPAx349OPAx347TLC225xVS[V]2.7 to 162.7 to 164 to 161.8 to 5.52.3 to 5.52.7 to 16IQ/ch[µA]11101723462.5VICR[V]–0.2 to VS+1.2–0.2 to VS–0.2–0.2 to VS–1.5–0.2 to VS+0.2–0.2 to VS+0.20 to VS–1.5VIO[mV]54.510/5/21061.5/0.85IIB[pA]606060101060GBW[MHz]0.180.180.0850.0700.350.200SLEW RATE[V/µs]0.060.060.030.020.010.02Vn, 1 kHz[nV/√Hz]8990683006019– –40°C to 125°C...Industrial Grade– 0°C to 70°C...Commercial GradeUltra-Small Packaging– 5 Pin SOT-23 (TLV27L1)APPLICATIONSDPortable MedicalDPower MonitoringDLow Power Security Detection SystemsDSmoke Detectors NOTE:All dc specs are maximums while ac specs are typicals.Please be aware that an important notice concerning availability, standard warranty, and use in critical applications ofTexasInstruments semiconductor products and disclaimers thereto appears at the end of this data sheet.PRODUCTION DATA information is current as of publication date.Products conform to specifications per the terms of Texas Instrumentsstandard warranty. Production processing does not necessarily includetesting of all parameters.Copyright  2001–2003, Texas Instruments Incorporatedwww.ti.com1TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003 PACKAGE/ORDERING INFORMATIONPRODUCTPACKAGEPACKAGECODEDDBVDDBVDDSYMBOLSPECIFIEDTEMPERATURERANGEORDER NUMBERTLV27L1CD0°C to 70°CTLV27L1CDBVTLV27L1IDTLV27L1IDBVTLV27L2CDTLV27L2IDSOT-23SOIC-8SOT-23SOIC-8SOIC-8VBIC27V1I–40°C to 125°CVBII27V2C27V2I0°C to 70°C–40°C to 125°CTLV27L1CDRTLV27L1CDBVRTLV27L1CDBVTTLV27L1IDTLV27L1IDRTLV27L1IDBVRTLV27L1IDBVTTLV27L2CDTLV27L2CDRTLV27L2IDTLV27L2IDRTRANSPORT MEDIATubeTape and ReelTape and ReelTubeTape and ReelTape and ReelTubeTape and ReelTubeTape and ReelTLV27L1CDSOIC-827V1Cabsolute maximum ratings over operating free-air temperature (unless otherwise noted)†Supply voltage, VS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5 VInput voltage, VI (see Note 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VSOutput current, IO. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mADifferential input voltage, VID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VSContinuous total power dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating TableMaximum junction temperature, TJ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°COperating free-air temperature range, TA:C suffix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°CI suffix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to 125°CStorage temperature range, Tstg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 125°CLead temperature 1,6 mm (1/16 inch) from case for 10 seconds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C†Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, andfunctional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is notimplied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.NOTE 1:Relative to GND pin.DISSIPATION RATING TABLEPACKAGED (8)DBV (5)DBV (6)θJC(°C/W)38.35555θJA(°C/W)176324.1294.3TA≤25°CPOWER RATING710 mW385 mW425 mWTA = 85°CPOWER RATING370 mW201 mW221 mWrecommended operating conditionsMINSupply voltage, (VS)Input common-mode voltage rangeOperating free-air temperature, TAC-suffixI-suffixDual supplySingle supply±1.352.7–0.20–40MAX±816VS–1.270125UNITVV°C2www.ti.com TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003electrical characteristics at recommended operating conditions, VS = 2.7 V, 5 V, and 10 V (unlessotherwise noted)dc performancePARAMETERVIOαVIOCMRRInput offset voltageOffset voltage driftCommon-mode rejection ratioTEST CONDITIONSVIC = VS/2,RL = 100 kΩ,VO = VS/2,RS = 50 ΩTA†25°CFull range25°C25°CFull rangeVS = 2.7 V, 5 VVS = ±5 V25°CFull range25°CFull range71708077777482100dB1.186MINTYP0.5MAX57UNITmVµV/°CdBVIC = 0 V to VS–1.2 V,RS = 50 ΩVO(PP)=VS/2,RL = 100 kΩAVDLarge-signal differential voltageamplification†Full range is –40°C to 125°C for I suffix.input characteristicsPARAMETERIIOInput offset currentVIC = VS/2, VO = VS/2,RL = 100 kΩ,RS = 50 ΩIIBri(d)CICInput bias currentDifferential input resistanceCommon-mode input capacitancef = 1 kHzTEST CONDITIONSTA≤25°C≤70°C≤125°C≤25°C≤70°C≤125°C25°C25°C100081MINTYP1MAX601001000602001000GΩpFpApAUNITpower supplyPARAMETERIQPSRRQuiescent current (per channel)Power supply rejection ratio (∆VS/∆VIO)TEST CONDITIONSVO = VS/2VS = 2.7 V to 16 V,VIC = VS/2 VNo load,TA†25°CFull range25°CFull range747082MINTYP7MAX1116UNITµAdB†Full range is –40°C to 125°C for I suffix.www.ti.com3TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003 electrical characteristics at recommended operating conditions, VS = 2.7 V, 5 V, and ±5 V (unlessotherwise noted) (continued)output characteristicsPARAMETERTEST CONDITIONSVS = 2.7 VVIC = VS/2,IOL = 100 µAVOOutput voltage swing from railVS = 5 VVS = ±5 VVS = 5 VVS = ±5 VVS = 2.7 VTA†25°CFull range25°CFull range25°CFull range25°CFull range25°CFull range25°CMIN200220120200120150800900400500400µA20042050V85TYP160MAXUNITVIC = VS/2,IOL = 500 µAIOOutput current†Full range is –40°C to 125°C for I suffix.VO = 0.5 V from raildynamic performancePARAMETERGBPSRφMtsGain bandwidth productSlew rate at unity gainPhase marginSettling time (0.1%)TEST CONDITIONSRL = 100 kΩ, CL = 10 pF, f = 1 kHzVO(pp) = 1 V, RL = 100 kΩΩ, CL = 50 pFRL = 100 kΩ, CL = 50 pFV(STEP)pp = 1 V, AV = –1,CL = 50 pF, RL = 100 kΩRiseFallTA25°C25°C–40°C125°C25°C25°CMINTYP1600.060.050.8626244°µsV/µsMAXUNITkHznoise/distortion performancePARAMETERVnInEquivalent input noise voltageEquivalent input noise currentf = 1 kHzf = 1 kHzTEST CONDITIONSTA25°C25°CMINTYP890.6MAXUNITnV/√HzfA/√Hz4www.ti.com TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003TYPICAL CHARACTERISTICSTable of GraphsFIGUREVIOIIB/IIOVOHVOLIQInput offset voltageInput bias and offset currentHigh-level output voltageLow-level output voltageQuiescent currentSupply voltage and supply current ramp upAVDGBPφmCMRRPSRRSRVO(PP)Differential voltage gain and phase shiftGain-bandwidth productPhase marginCommon-mode rejection ratioPower supply rejection ratioInput referred noise voltageSlew ratePeak-to-peak output voltageInverting small-signal responseInverting large-signal responseCrosstalkvs Frequencyvs Frequencyvs Free-air temperaturevs Load capacitancevs Frequencyvs Frequencyvs Frequencyvs Free-air temperaturevs Frequencyvs Common-mode input voltagevs Free-air temperaturevs High-level output currentvs Low-level output currentvs Supply voltagevs Free-air temperature1, 2, 345, 7, 96, 8, 101112131415161718192021222324INPUT OFFSET VOLTAGEvsCOMMON-MODE INPUT VOLTAGE20001500VIO– Input Offset Voltage – µA10005000–500–1000–1500–200000.511.522.53VIC – Common-Mode Input Voltage – VVS = 2.7 VTA = 25°CINPUT OFFSET VOLTAGEvsCOMMON-MODE INPUT VOLTAGE20001500VIO– Input Offset Voltage – µA10005000–500–1000–1500–200000.511.522.533.544.55VIC – Common-Mode Input Voltage – VVS = 2.7 VTA = 25°C20001500VIO– Input Offset Voltage – µA1000INPUT OFFSET VOLTAGEvsCOMMON-MODE INPUT VOLTAGEVS = ±5 VdcTA = 25°C5000–500–1000–1500–2000–5.2–3.6–2–0.41.22.84.4VIC – Common-Mode Input Voltage – VFigure 1Figure 2Figure 3www.ti.com5TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003 TYPICAL CHARACTERISTICSINPUT BIAS AND INPUTOFFSET CURRENTvsFREE-AIR TEMPERATUREVOH– High-Level Output Voltage – VVS = 5 VVIC = 2.5VO = 2.5100IIBandIIO– Input Bias and Input Offset Currents – pA908070605040302010025543210–1–2–3–4–5HIGH-LEVEL OUTPUT VOLTAGEvsHIGH-LEVEL OUTPUT CURRENT5VS = ±5 V–40°C0°C25°C25°CVOL– Low-Level Output Voltage – V43210–1–2–3–4–5LOW-LEVEL OUTPUT VOLTAGEvsLOW-LEVEL OUTPUT CURRENTVS = ±5 V125°C70°C25°C0°CIIBIIO125°C–40°C456585105TA – Free-Air Temperature – °C1250123456789101112131415IOH – High-Level Output Current – mA0123456789101112131415IOL – Low-Level Output Current – mAFigure 4Figure 5LOW-LEVEL OUTPUT VOLTAGEvsLOW-LEVEL OUTPUT CURRENT5VOH– High-Level Output Voltage – V4.5VOL– Low-Level Output Voltage – V43.532.521.510.5000.511.522.533.544.555.56IOL – Low-Level Output Current – mA–40°CVS = 5 V125°C70°C25°C0°CFigure 6HIGH-LEVEL OUTPUT VOLTAGEvsHIGH-LEVEL OUTPUT CURRENT2.72.42.11.81.51.20.90.60.3000.20.40.60.811.21.4IOH – High-Level Output Current – mA125°CVS = 2.7 V–40°C0°C25°C70°CHIGH-LEVEL OUTPUT VOLTAGEvsHIGH-LEVEL OUTPUT CURRENT5VOH– High-Level Output Voltage – V4.543.532.521.510.5000.511.522.533.544.55IOH – High-Level Output Current – mA125°C70°C–40°C0°C25°CVS = 5 VFigure 7LOW-LEVEL OUTPUT VOLTAGEvsLOW-LEVEL OUTPUT CURRENT2.72.4VOL– Low-Level Output Voltage – V2.11.81.51.20.90.60.3000.20.40.60.811.21.4IOL – Low-Level Output Current – mA–40°C70°C25°C0°CVS = 2.7 VI(Q)– Quiescent Currenr – µA125°CFigure 8QUIESCENT CURRENTvsSUPPLY VOLTAGE125°C765432100246810121416VS – Supply Voltage – V–40°C0°C25°CI(Q)– Quiescent Currenr – µA70°CFigure 9QUIESCENT CURRENTvsFREE-AIR TEMPERATURE10 V5 V6543210–40–25–1052.7 V16 V887203550658095110125TA – Free-Air Temperature – °CFigure 10Figure 11Figure 126www.ti.com TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003TYPICAL CHARACTERISTICSDIFFERENTIAL VOLTAGE GAINAND PHASE SHIFTvsFREQUENCY120AVD– Differential Voltage Gain – dB100806040200–200.1VS = 5 VRL = 100 kΩCL = 10 pFTA = 25°C0°30°60°90°120°150°180°10 k100 k1 MPhase Shift100 k1 MSUPPLY VOLTAGE ANDSUPPLY CURRENT RAMP UPVS– Supply Voltage – V/dc151050VSVO4015105IQ0510152025030ICC– Supply Current – µAVS = 0 to 15 V,RL = 100 Ω,CL = 10 pF,TA = 25°C1101001 kt – Time – msf – Frequency – HzFigure 13PHASE MARGINvsLOAD CAPACITANCE70VS = 2.7 VVS = 5 V140130120110100–40–25–105Phase Margin – Degrees605040302010010VS = 5 VRL = 100 kΩTA = 25°CCMRR – Common-Mode Rejection Ratio – dB80Figure 14COMMON-MODE REJECTION RATIOvsFREQUENCYVS = 5 VTA = 25°CGAIN-BANDWIDTH PRODUCTvsFREE-AIR TEMPERATURE170GBP – Gain-Bandwidth Product – kHz1601501201001109080706050403020100101001 k203550658095110125100CL – Load Capacitance – pF100010 kTA – Free-Air Temperature – °Cf – Frequency – HzFigure 15POWER SUPPLY REJECTION RATIOvsFREQUENCYPSRR – Power Supply Rejection Ratio – dBHz1009080706050403020100101001 k10 k100 k1 Mf – Frequency – HzVS =±2.5 VTA = 25°CVn– Input Referred Noise Voltage –nV/Figure 16INPUT REFERRED NOISE VOLTAGEvsFREQUENCY250VS = 5 V,G = 2,RF = 100 kΩFigure 17SLEW RATEvsFREE-AIR TEMPERATURE0.090.08SR – Slew Rate – V/µs0.070.060.050.040.030.020.01VS = 5 VGain = 1VO = 1RL = 100 kΩCL = 50 pF203550658095110125SR–SR+2001501005001101001 k10 k100 k0–40–25–105f – Frequency – HzTA – Free-air Temperature –°CFigure 18Figure 19Figure 20www.ti.com7TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003 TYPICAL CHARACTERISTICSPEAK-TO-PEAK OUTPUT VOLTAGEvsFREQUENCY16VOPP– Output Voltage Peak-to-Peak – V141210864201010010001 k10 kf – Frequency – HzVS = 5 V–1.5VS = 2.7 V–2–100VO = 3 VPP0100200300400500600700t – Time – µsRL = 100 kΩ,CL = 10 pF,THD+N <= 5%VS = 15 VAmplitude – VPP1.510.50–0.5–1INVERTING SMALL-SIGNALRESPONSE2VI = 3 VPPGain = –1,RL = 100 kΩ,CL = 10 pF,VS = 5 V,VO = 3 VPP,f = 1 kHzFigure 21Figure 22INVERTING LARGE-SIGNALRESPONSE0.060.04Amplitude – VPP0.020–0.02–0.04–0.06–100VI = 100 mVPPGain = –1,RL = 100 kΩ,CL = 10 pF,VS = 5 V,VO = 100 mVPP,f = 1 kHz0–20–40Crosstalk – dB–60–80–100VO = 100 mVPP0100200300400500600700t – Time – µs–120–14010CROSSTALKvsFREQUENCYVS = 5 VRL = 2 kΩCL = 10 pFTA = 25°CChannel 1 to 21001 k10 k100 kf – Frequency – HzFigure 23Figure 248www.ti.com TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003APPLICATION INFORMATIONoffset voltageThe output offset voltage (VOO) is the sum of the input offset voltage (VIO) and both input bias currents (IIB) times thecorresponding gains. The following schematic and formula can be used to calculate the output offset voltage:RFRGIIB–+VIRSIIB+–+VOVOO+VIOǒǒǓǓ1)RFRG\"IIB)RSǒǒǓǓ1)RFRG\"IIB–RFFigure 25. Output Offset Voltage Modelgeneral configurationsWhen receiving low-level signals, limiting the bandwidth of the incoming signals into the system is often required. Thesimplest way to accomplish this is to place an RC filter at the noninverting terminal of the amplifier (see Figure 26).RGVDD/2VIRFVO+VI+ǒ1)RRFGǓǒ11)sR1C1Ǔ–+VOf–3dBR112pR1C1C1Figure 26. Single-Pole Low-Pass FilterIf even more attenuation is needed, a multiple pole filter is required. The Sallen-Key filter can be used for this task.For best results, the amplifier should have a bandwidth that is 8 to 10 times the filter frequency bandwidth. Failureto do this can result in phase shift of the amplifier.C1R1 = R2 = RC1 = C2 = CQ = Peaking Factor(Butterworth Q = 0.707)f–3dB+12pRCVIR1R2C2+_RGRFRG=(RF12 –Q)VDD/2Figure 27. 2-Pole Low-Pass Sallen-Key Filterwww.ti.com9TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003 APPLICATION INFORMATIONcircuit layout considerationsTo achieve the levels of high performance of the TLV27Lx, follow proper printed-circuit board design techniques. Ageneral set of guidelines is given in the following.DGround planes—It is highly recommended that a ground plane be used on the board to provide allDProper power supply decoupling—Use a 6.8-µF tantalum capacitor in parallel with a 0.1-µF ceramiccomponents with a low inductive ground connection. However, in the areas of the amplifier inputs andoutput, the ground plane can be removed to minimize the stray capacitance.capacitor on each supply terminal. It may be possible to share the tantalum among several amplifiersdepending on the application, but a 0.1-µF ceramic capacitor should always be used on the supply terminalof every amplifier. In addition, the 0.1-µF capacitor should be placed as close as possible to the supplyterminal. As this distance increases, the inductance in the connecting trace makes the capacitor lesseffective. The designer should strive for distances of less than 0.1 inches between the device powerterminals and the ceramic capacitors.will often lead to stability problems. Surface-mount packages soldered directly to the printed-circuit boardis the best implementation.inductance has been minimized. To realize this, the circuit layout should be made as compact as possible,thereby minimizing the length of all trace runs. Particular attention should be paid to the inverting input ofthe amplifier. Its length should be kept as short as possible. This will help to minimize stray capacitance atthe input of the amplifier.DSockets—Sockets can be used but are not recommended. The additional lead inductance in the socket pinsDShort trace runs/compact part placements—Optimum high performance is achieved when stray seriesDSurface-mount passive components—Using surface-mount passive components is recommended for highperformance amplifier circuits for several reasons. First, because of the extremely low lead inductance ofsurface-mount components, the problem with stray series inductance is greatly reduced. Second, the smallsize of surface-mount components naturally leads to a more compact layout thereby minimizing both strayinductance and capacitance. If leaded components are used, it is recommended that the lead lengths bekept as short as possible.10www.ti.com TLV27L1TLV27L2SLOS378A – SEPTEMBER 2001 – REVISED JULY 2003APPLICATION INFORMATIONgeneral power dissipation considerationsFor a given θJA, the maximum power dissipation is shown in Figure 28 and is calculated by the following formula:PD+ǒT–TMAXAqJAǓWhere:PD= Maximum power dissipation of TLV27Lx IC (watts)TMAX= Absolute maximum junction temperature (150°C)TA= Free-ambient air temperature (°C)θJA= θJC + θCA θJC = Thermal coefficient from junction to case θCA = Thermal coefficient from case to ambient air (°C/W)MAXIMUM POWER DISSIPATIONvsFREE-AIR TEMPERATURE21.75Maximum Power Dissipation – W1.51.2510.750.50.25SOT-23 PackageLow-K Test PCBθJA = 324°C/WSOIC PackageLow-K Test PCBθJA = 176°C/WPDIP PackageLow-K Test PCBθJA = 104°C/WTJ = 150°CMSOP PackageLow-K Test PCBθJA = 260°C/W0–55–40–25–105203550658095110125TA – Free-Air Temperature – °CNOTE A:Results are with no air flow and using JEDEC Standard Low-K test PCB.Figure 28. Maximum Power Dissipation vs Free-Air TemperatureTLV27L1DBV PACKAGE(TOP VIEW)OUTGNDIN+1234IN–5VDDTLV27L1D PACKAGE(TOP VIEW)TLV27L2D PACKAGE(TOP VIEW)NCIN–IN+GND12348765NCVDDOUTNC1OUT1IN–1IN+GND12348765VDD2OUT2IN–2IN+NC – No internal connectionwww.ti.com11IMPORTANT NOTICE

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