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1、October 1997.MAXIMUM INPUT CURRENT : 150nA.MAXIMUM OFFSET CURRENT : 20nA.DIFFERENTIAL INPUT VOLTAGE RANGE : 30V.POWER CONSUMPTION : 135mW AT15V.SUPPLYVOLTAGE: +5V TO 15V.OUTPUTCURRENT : 50mADESCRIPTION TheLM111, LM211 and LM311 are voltage comparators that havelow inputcurrents. Theyarealsodesignedt
2、ooperateoverawiderange of supplyvoltages:fromstandard15Voperational amplifier supplies down to the single +5V supply used for IC logic. TheiroutputiscompatiblewithRTL-DTL andTTLas well as MOScircuits and can switch voltages up to +50Vat outputcurrentsas high as 50mA.ORDER CODESPart NumberTemperature
3、 RangePackageNDLM11155, 125oCLM21140, 105oCLM3110,70oCExample : LM311DN DIP8 (Plastic Package)D SO8 (Plastic Micropackage)12348567-+1 - Ground 2 - Non-inverting input 3 - Inverting input 4 - VCC- 5 - Balance 6 - Strobe/balance 7 - Output 8 - VCC+PIN CONNECTIONS (top view)LM111 LM211 - LM311VOLTAGE C
4、OMPARATORS1/9ABSOLUTE MAXIMUM RATINGSSymbolParameterLM111LM211LM311UnitVCCSupply Voltage363636VVidDifferential Input Voltage303030VViInput Voltage (note 1)151515VPtotPower Dissipation500mWToperOperating Free-air Temperature Range55 to +12540 to +1050 to +70oCTstgStorage Temperature Range65 to +15065
5、 to +15065 to +150oCV(14)Ground to Negative Supply Voltage303030VV(74)Output to Negative Supply Voltage505040VOutput short-circuit duration : 10sLM111 : +150oC Voltage atstrobe pin : VCC+5VMaximum junction temperatureLM211 : +150oC LM311 : +150oC Note :1. Thisrating applies for 15V supplies. The pos
6、itive input voltage limit is 30V above the negative. The negative input voltage limit is equal to the negative supply voltageor 30V below thepositive supply, whichever is less.R3 300R4 300R1 1.3kR2 1.3kR570Q6Strobe/balanceBalanceR8 750R9 600Q10Q20Collector outputVCCVCCEmitter output or groundQ12Q13Q
7、14R10 4kR11 130Q15R12600R13 4Q16Q11Q19Q18Q8R16 400Q9R1760R15 450Q21Q22Q17R14 2kR18200R19250Q2Q23Inverting inputNon-inverting inputQ1Q4Q3D1 5VD2 5VQ7R6 1.2kR7 1.2kQ5SCHEMATIC DIAGRAMLM111 - LM211 - LM3112/9ELECTRICAL CHARACTERISTICS VCC= 15V, Tamb= 25oC (unless otherwise specified)SymbolParameterLM11
8、1 - LM211LM311UnitMin.Typ.Max.Min.Typ.Max.VioInput Offset Voltage (RS 50k) (note 1) Tamb= +25oC Tmin. Tamb Tmax.0.73 427.5 10mVIioInput Offset Current (note 1) Tamb= +25oC Tmin. Tamb Tmax.410 20650 70nAIibInput Bias Current (note 1) Tamb= +25oC Tmin. Tamb Tmax.60100 150100250 300nAAvdLarge Signal Vo
9、ltage Gain4020040200V/mVICC+ ICC-Supply Currents Positive Negative5.1 4.16 55.1 4.17.5 5mAVicmInput Common Mode Voltage Range Tmin. Tamb Tmax.-14.5+13.8 -14.7+13 -14.5+13.8 -14.7+13VVOLLow Level Output Voltage Tamb= +25oC, IO= 50mA Vi -5mV Vi -10mV Tmin. Tamb Tmax. VCC+ +4.5 V, VCC-= 0 Io= 8mAVi -6m
10、V Vi -10mV0.750.231.50.40.750.231.50.4VIOHHigh Level Output Current Tamb= +25oCVi + 5mV, VO= +35V Vi +10mV, VO= +5V Tmin. Tamb Tmax.Vi + 5mV, VO= +35V0.20.1100.50.250nA nA AIstrobeStrobe Current33mAtreResponse Time (note 2)200200nsNotes: 1. The offset voltage, offset current and bias current specifi
11、cations apply for anysupply voltage froma single+5V supply up to15V supplies. The offset voltages and offset currents givenare the maximum values required to drive the output down to +1Vor upto +14V with a 1mA loadcurrent. Thus,these parameters define an errorband and take into account the worst-cas
12、e ofvoltage gain and input impedance. 2. The response time specified (see definitions) is for a 100mV inputstep with5mV overdrive.LM111 - LM211 - LM3113/9OUTPUT VOLTAGE (V)TRANSFERT CHARACTERISTICS-1-500.516050403020100Tamb= +25 C VCC= +30 VNormal outputEmitter follower output RL= 600RL= 1 k VL= +50
13、 VDIFFERENTIALINPUT VOLTAGE (mV)SHORT-CIRCUIT CURRENT (mA)POWER DISSIPATION (W)OUTPUT LIMITING CHARACTERISTICSTamb= +25 CShort circuit currentPow e r dissipat i onOUTPUT VOLTAGE (V)140120100806040200 0510150.70.60.50.40.30.20.10COMMON MODE LIMITS (V)COMMON MODE LIMITS01020304050607080V+CC-0.5-1-1.50
14、.40.2V-CCTEMPERATURE( C)INPUT OFFSET CURRENT ( nA)INPUT OFFSET CURRENT-55-35-155254565851051253020100VCC= 15VRaisedNormalTEMPERATURE( C)INPUT BIAS CURRENT (nA)INPUT BIAS CURRENT4003002001000VCC= 15VRaisedNormal-55-35-15525456585105125 TEMPERATURE ( C)LM111 - LM211 - LM3114/9EQUIVALENT INPUT OFFSET E
15、RRORLM111 LM211 Tamb= +25 CTypicalMaximumVIO= VIO+ RS IID1001010.1INPUT RESISTANCE ()EQUIVALENTINPUT OFFSET VOLTAGE (mV)10k100k1M10MEQUIVALENT INPUT OFFSET ERRORTamb= +25 C LM311TypicalMaximumVIO= VIO+ RS IIDEQUIVALENTINPUT OFFSET VOLTAGE (mV)10k100k1M10M INPUT RESISTANCE ()10010SATURATION VOLTAGE (
16、V)LOW LEVELOUTPUT SATURATION VOLTAGE0.80.70.60.50.40.30.20.10LM111 LM211 Tamb= +125 CTamb= -55 CTamb= +25 COUTPUT CURENT (mA)01020304050SATURATION VOLTAGE (V)LOW LEVELOUTPUT SATURATION VOLTAGEOUTPUT CURRENT (mA)LM311Tamb= +25 C0.80.70.60.50.40.30.20.10 01020304050INPUT BIAS CURRENT (nA)INPUT CHARACTERISTICSVCC= 15V Tamb= +25 CDIFFERENTIALINPUT VOLTAGE (V)-16 -12-8-40481216180160140120100806040200LM111
