Diodes比较器有效提升性能 推出LMV331和LMV393强化版

1POST OFFICE BOX 655303 •DALLAS, TEXAS 75265(LM193)D Low Input Offset Voltage ...2mV Typ D Common-Mode Input Voltage Range Includes GroundD Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage ...±36 V D Low Output Saturation VoltageDOutput Compatible With TTL, MOS, and CMOSdescription/ordering informationThese devices consist of two independent voltage comparators that are designed to operate from asingle power supply over a wide range of voltages.Operation from dual supplies also is possible as long as the difference between the two supplies is2 V to 36 V, and V CC is at least 1.5 V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. The outputs can be connected to other open-collector outputs to achievewired-AND relationships.The LM193 is characterized for operation from −55°C to 125°C. The LM293 and LM293A are characterized foroperation from −25°C to 85°C. The LM393 and LM393A are characterized for operation from 0°C to 70°C. The LM2903 is characterized for operation from −40°C to 125°C.PRODUCTION DATA information is curre nt as of publication date .Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.3212019910111213456781817161514NC 2OUT NC 2IN−NCNC 1IN−NC 1IN+NCLM193...FK PACKAGE(TOP VIEW)N C 1O U T N C 2I N +N CV N CN C G N D N C C CNC − No internal connection On products compliant to MIL-PRF-38535, all parameters are tested unl ss oth rwis not d. On all oth r products, production processing does not necessarily include testing of all parameters.LM193, LM293, LM293ALM393, LM393A, LM2903, LM2903V DUAL DIFFERENTIAL COMPARATORSSLCS005W − JUNE 1976 − REVISED JULY 20102POST OFFICE BOX 655303 •DALLAS, TEXAS 75265ORDERING INFORMATION {T AV IOmax AT 25°CMAX V CCPACKAGE }ORDERABLEPART NUMBER TOP-SIDE MARKING PDIP (P)Tube of 50LM393P LM393P Tube of 75LM393D Reel of 2500LM393DR SOIC (D)Reel of 2500LM393DRG3LM393SOP (PS)Reel of 2000LM393PSR L3935 mV30 VTube of 150LM393PW Reel of 2000LM393PWR °°TSSOP (PW)Reel of 2000LM393PWRG3L3930C to 70CMSOP/VSSOP (DGK)Reel of 2500LM393DGKR M9_§PDIP (P)Tube of 50LM393AP LM393AP SOIC (D)Tube of 75LM393AD 2mV 30V SOIC (D)Reel of 2500LM393ADR LM393A 2 mV30 VSOP (PS)Reel of 2000LM393APSR L393A TSSOP (PW)Reel of 2000LM393APWR L393A MSOP/VSSOP (DGK)Reel of 2500LM393ADGKR M8_§PDIP (P)Tube of 50LM293P LM293P Tube of 75LM293D Reel of 2500LM293DR 25°C to 85°C5 mV30 VSOIC (D)Reel of 2500LM293DRG3LM293−25C to 85MSOP/VSSOP (DGK)Reel of 2500LM293DGKR MC_§SOIC (D)Tube of 75LM293AD SOIC (D)Reel of 2500LM293ADR LM293A 2 mV30 VMSOP/VSSOP (DGK)Reel of 2500LM293ADGKR MD_§PDIP (P)Tube of 50LM2903P LM2903P Tube of 75LM2903D Reel of 2500LM2903DR 7V 30V SOIC (D)Reel of 2500LM2903DRG3LM29037 mV30 VSOP (PS)Reel of 2000LM2903PSR L290340°C to 125°CTSSOP (PW)Reel of 2000LM2903PWR −40C to 125TSSOP (PW)Reel of 2000LM2903PWRG3L2903MSOP/VSSOP (DGK)Reel of 2500LM2903DGKR MA_§7mV 32V SOIC (D)Reel of 2500LM2903VQDR L2903V 7 mV 32 V TSSOP (PW)Reel of 2000LM2903VQPWR L2903V 2mV 32V SOIC (D)Reel of 2500LM2903AVQDR L2903AV 2 mV32 VTSSOP (PW)Reel of 2000LM2903AVQPWR L2903AV CDIP (JG)Tube of 50LM193JG LM193JG −55°C to 125°C5 mV 30 V LCCC (FK)Tube of 55LM193FK LM193FK SOIC (D)Reel of 2500LM193DRLM193†For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at .‡Package drawings, thermal data, and symbolization are available at /packaging.§The actual top-side marking has one additional character that designates the wafer fab/assembly site.LM193, LM293, LM293ALM393, LM393A, LM2903, LM2903V DUAL DIFFERENTIAL COMPARATORSSLCS005W − JUNE 1976 − REVISED JULY 20103POST OFFICE BOX 655303 •DALLAS, TEXAS 75265symbol (each comparator)IN+IN−OUTschematic (each comparator)Epi-FET Diodes Resistors TransistorsCOMPONENT COUNT12230absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†Supply voltage, V CC (see Note 1) 36 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Differential input voltage, V ID (see Note 2) ±36 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, V I (either input) −0.3 V to 36 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage, V O 36 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output current, I O 20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Duration of output short-circuit to ground (see Note 3) Unlimited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Notes 4 and 5):D package 97°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . DGK package 172°C/W . . . . . . . . . . . . . . . . . . . . . . . . P package 85°C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . PS package 95°C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 149°C/W. . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJC (see Notes 6 and 7):FK package 5.61°C/W. . . . . . . . . . . . . . . . . . . . . . . . . JG package 14.5°C/W. . . . . . . . . . . . . . . . . . . . . . . . . Operating virtual junction temperature, T J 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Case temperature for 60 seconds: FK package 260°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: JG package 300°C . . . . . . . . . . . . . . . . . . . . Storage temperature range, T stg −65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . †Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.NOTES: 1.All voltage values, except differential voltages, are with respect to GND.2.Differential voltages are at IN+, with respect to IN−.3.Short circuits from outputs to V CC can cause excessive heating and eventual destruction.4.Maximum power dissipation is a function of T J (max), θJA , and T A . The maximum allowable power dissipation at any allowableambient temperature is P D = (T J (max) − T A )/θJA . Operating at the absolute maximum T J of 150°C can affect reliability.5.The package thermal impedance is calculated in accordance with JESD 51-7.6.Maximum power dissipation is a function of T J (max), θJC , and T C . The maximum allowable power dissipation at any allowable casetemperature is P D = (T J (max) − T C )/θJC . Operating at the absolute maximum T J of 150°C can affect reliability.7.The package thermal impedance is calculated in accordance with MIL-STD-883.LM193, LM293, LM293ALM393, LM393A, LM2903, LM2903V DUAL DIFFERENTIAL COMPARATORSSLCS005W − JUNE 1976 − REVISED JULY 20104POST OFFICE BOX 655303 •DALLAS, TEXAS 75265electrical characteristics at specified free-air temperature, V CC = 5 V (unless otherwise noted)LM193LM293LM393PARAMETERTEST CONDITIONS T A †MINTYP MAXMINTYP MAXUNITInput offset voltage V CC = 5 V to 30 V,14V 25°C 2525V IOInput offset voltageV O = 1.4 V,V IC = V IC(min)Full range 99mV Input offset current 14V 25°C 325550I IO Input offset current V O = 1.4 V Full range 100250nA Input bias current 14V 25°C −25−100−25−250I IBInput bias currentV O = 1.4 VFull range −300−400nACommon-mode25°C 0 toV CC − 1.50 toV CC − 1.5V ICRCommon mode input voltage range ‡Full range0 to V CC − 20 to V CC − 2VA VDLarge-signaldifferential-voltage amplification V CC = 15 V,V O = 1.4 V to 11.4 V,R L ≥ 15 k Ω to V CC 25°C 5020050200V/mV High-level V OH = 5 V,V ID = 1 V 25°C 0.10.150nA I OH High level output current V OH = 30 V,V ID = 1 V Full range 11µA Low-level4mA 1V 25°C 150400150400V OL Low level output voltage I OL = 4 mA,V ID = −1 V Full range 700700mV I OL Low-level output current V OL = 1.5 V,V ID = −1 V 25°C 66mA Supply current =∞V CC = 5 V 25°C 0.810.81I CCSupply currentR L = V CC = 30 VFull range2.52.5mA†Full range (MIN or MAX) for LM193 is −55°C to 125°C, for LM293 is 25°C to 85°C, and for LM393 is 0°C to 70°C. All characteristics are measuredwith zero common-mode input voltage, unless otherwise specified.‡The voltage at either input or common-mode should not be allowed to go negative by more than 0.3 V. The upper end of the common-mode voltage range is V CC + − 1.5 V for the inverting input (−), and the non-inverting input (+) can exceed the V CC level; the comparator provides a proper output state. Either or both inputs can go to 30 V without damage.LM193, LM293, LM293ALM393, LM393A, LM2903, LM2903V DUAL DIFFERENTIAL COMPARATORSSLCS005W − JUNE 1976 − REVISED JULY 20105POST OFFICE BOX 655303 •DALLAS, TEXAS 75265electrical characteristics at specified free-air temperature, V CC = 5 V (unless otherwise noted)LM293A LM393APARAMETERTEST CONDITIONST A †MINTYP MAXUNITInput offset voltage V 25°C 12V IO Input offset voltage CC = 5 V to 30 V, V O = 1.4 V,V IC = V IC(min)Full range 4mV Input offset current 14V 25°C 550I IO Input offset current V O = 1.4 V Full range 150nA Input bias current 14V25°C −25−250I IBInput bias currentV O = 1.4 V Full range −400nA Common-mode input voltage 25°C 0 toV CC − 1.5V ICRCommon mode input voltage range §Full range0 to V CC − 2VA VD Large-signal differential-voltage amplificationV CC = 15 V, V O = 1.4 V to 11.4 V,R L ≥ 15 k Ω to V CC 25°C 50200V/mV High level output current V OH = 5 V,V ID = 1 V 25°C 0.150nA I OH High-level output current V OH = 30 V,V ID = 1 V Full range 1µA Low level output voltage I 4mA 1V 25°C 150400V OL Low-level output voltage OL = 4 mA,V ID = −1 V Full range 700mV I OL Low-level output current V OL = 1.5 V,V ID = −1 V 25°C 6mA Supply current =∞V CC = 5 V 25°C 0.81I CCSupply currentR L = V CC = 30 VFull range2.5mA†Full range (MIN or MAX) for LM293A is 25°C to 85°C, and for LM393A is 0°C to 70°C. All characteristics are measured with zero common-modeinput voltage, unless otherwise specified.§The voltage at either input or common-mode should not be allowed to go negative by more than 0.3 V. The upper end of the common-mode voltage range is V CC+ − 1.5 V, but either or both inputs can go to 30 V without damage.LM193, LM293, LM293ALM393, LM393A, LM2903, LM2903V DUAL DIFFERENTIAL COMPARATORSSLCS005W − JUNE 1976 − REVISED JULY 20106POST OFFICE BOX 655303 •DALLAS, TEXAS 75265electrical characteristics at specified free-air temperature, V CC = 5 V (unless otherwise noted)TEST CONDITIONS LM2903LM2903APARAMETERTEST CONDITIONS T A †MINTYP MAXMINTYP MAXUNITInput offset voltage V CC = 5 V to MAX ‡,14V 25°C 2712V IOInput offset voltageV O = 1.4 V,V IC = V IC(min)Full range 154mV Input offset current 14V 25°C 550550I IO Input offset current V O = 1.4 V Full range 200200nA Input bias current 14V25°C −25−250−25−250I IBInput bias currentV O = 1.4 V Full range −500−500nACommon-mode25°C 0 toV CC − 1.50 to V CC − 1.5V ICRCommon mode input voltage range §Full range0 to V CC − 20 to V CC − 2VA VDLarge-signaldifferential-voltage amplification V CC = 15 V,V O = 1.4 V to 11.4 V,R L ≥ 15 k Ω to V CC 25°C 2510025100V/mV High-level V OH = 5 V,V ID = 1 V25°C 0.1500.150nA I OH High level output current V OH = V CC MAX, V ID = 1 V Full range 11µA Low-level4mA 1V 25°C 150400150400V OL Low level output voltage I OL = 4 mA,V ID = −1 V Full range 700700mV I OL Low-level output current V OL = 1.5 V,V ID = −1 V 25°C 66mA Supply current =∞V CC = 5 V 25°C 0.810.81I CCSupply currentR L = V CC = MAXFull range2.52.5mA†Full range (MIN or MAX) for LM2903 is −40°C to 125°C. All characteristics are measured with zero common-mode input voltage, unless otherwisespecified.‡V CCMAX = 30 V for non-V devices and 32 V for V-suffix devices.§The voltage at either input or common-mode should not be allowed to go negative by more than 0.3 V. The upper end of the common-mode voltage range is V CC+ − 1.5 V, but either or both inputs can go to 30 V (32 V for V-suffix devices) without damage.switching characteristics, V CC = 5 V, T A = 25°CPARAMETER TEST CONDITIONS LM193LM293, LM293A LM393, LM393ALM2903UNITTYPResponse time R Ω100-mV input step with 5-mV overdrive 1.3Response timeL connected to 5 V through 5.1 k ,C L = 15 pF ¶, See Note 8TTL-level input step0.3µs¶C L includes probe and jig capacitance.NOTE 8:The response time specified is the interval between the input step function and the instant when the output crosses 1.4 V.PACKAGING INFORMATIONOrderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)5962-9452601Q2A ACTIVE LCCC FK201TBD POST-PLATE N / A for Pkg Type Purchase Samples 5962-9452601QPA ACTIVE CDIP JG81TBD A42N / A for Pkg Type Purchase Samples JM38510/11202BPA ACTIVE CDIP JG81TBD A42N / A for Pkg Type Purchase Samples LM193DR ACTIVE SOIC D82500TBD CU NIPDAU Level-1-220C-UNLIM Request Free Samples LM193DRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM193FKB ACTIVE LCCC FK201TBD POST-PLATE N / A for Pkg Type Purchase Samples LM193JG ACTIVE CDIP JG81TBD A42N / A for Pkg Type Purchase Samples LM193JGB ACTIVE CDIP JG81TBD A42N / A for Pkg Type Purchase Samples LM2903AVQDR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903AVQDRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase Samples LM2903AVQPWR ACTIVE TSSOP PW82000TBD CU NIPDAU Level-1-250C-UNLIM Purchase Samples LM2903AVQPWRG4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903D ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903DE4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903DG4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903DGKR ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903DGKRG4ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903DR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903DRE4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903DRG3ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU SN Level-1-260C-UNLIM Request Free SamplesAddendum-Page 1Orderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)LM2903DRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903P ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales Office LM2903PE4ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales OfficeLM2903PSR ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903PSRG4ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903PWLE OBSOLETE TSSOP PW8TBD Call TI Call TI Replaced by LM2903PWRLM2903PWR ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903PWRE4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903PWRG3ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU SN Level-1-260C-UNLIM Request Free SamplesLM2903PWRG4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM2903QD ACTIVE SOIC D875TBD CU NIPDAU Level-1-220C-UNLIM Purchase Samples LM2903QDG4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903QDR ACTIVE SOIC D82500TBD CU NIPDAU Level-1-220C-UNLIM Purchase Samples LM2903QDRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Request Free Samples LM2903QP OBSOLETE PDIP P8TBD Call TI Call TI Replaced by LM2903P LM2903VQDR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM2903VQDRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase Samples LM2903VQPWR ACTIVE TSSOP PW82000TBD CU NIPDAU Level-1-250C-UNLIM Purchase Samples LM2903VQPWRG4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293AD ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeAddendum-Page 2Orderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)LM293ADE4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293ADG4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293ADGKR ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293ADGKRG4ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293ADR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293ADRE4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293ADRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293D ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293DE4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293DG4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293DGKR ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293DGKRG4ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293DR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM293DRE4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293DRG3ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU SN Level-1-260C-UNLIM Request Free SamplesLM293DRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM293P ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales OfficeLM293PE4ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales OfficeAddendum-Page 3Orderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)LM393AD ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393ADE4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393ADG4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393ADGKR ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393ADGKRG4ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393ADR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393ADRE4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393ADRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393AP ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales Office LM393APE4ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales Office LM393APSR ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393APSRE4ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393APSRG4ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase Samples LM393APWLE OBSOLETE TSSOP PW8TBD Call TI Call TI Samples Not AvailableLM393APWR ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393APWRE4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393APWRG4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393D ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeAddendum-Page 410-Dec-2010Orderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)LM393DE4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393DG4ACTIVE SOIC D875Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393DGKR ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393DGKRG4ACTIVE MSOP DGK82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393DR ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393DRE4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393DRG3ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU SN Level-1-260C-UNLIM Request Free SamplesLM393DRG4ACTIVE SOIC D82500Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Purchase SamplesLM393P ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales OfficeLM393PE3ACTIVE PDIP P850Pb-Free (RoHS)CU SN N / A for Pkg Type Purchase Samples LM393PE4ACTIVE PDIP P850Pb-Free (RoHS)CU NIPDAU N / A for Pkg Type Contact TI Distributoror Sales OfficeLM393PSLE OBSOLETE SO PS8TBD Call TI Call TI Samples Not AvailableLM393PSR ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393PSRG4ACTIVE SO PS82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393PW ACTIVE TSSOP PW8150Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393PWE4ACTIVE TSSOP PW8150Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393PWG4ACTIVE TSSOP PW8150Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393PWLE OBSOLETE TSSOP PW8TBD Call TI Call TI Samples Not AvailableLM393PWR ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales Office10-Dec-2010Orderable Device Status (1)Package Type PackageDrawing Pins Package Qty Eco Plan (2)Lead/Ball FinishMSL Peak Temp (3)Samples(Requires Login)LM393PWRE4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales OfficeLM393PWRG3ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU SN Level-1-260C-UNLIM Request Free SamplesLM393PWRG4ACTIVE TSSOP PW82000Green (RoHS& no Sb/Br)CU NIPDAU Level-1-260C-UNLIM Contact TI Distributoror Sales Office(1) The marketing status values are defined as follows:ACTIVE: Product device recommended for new designs.LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.PREVIEW: Device has been announced but is not in production. Samples may or may not be available.OBSOLETE: TI has discontinued the production of the device.(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check /productcontent for the latest availability information and additional product content details.TBD: The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.OTHER QUALIFIED VERSIONS OF LM2903, LM293 :•Automotive: LM2903-Q1•Enhanced Product: LM293-EP。

常用的电压比较器电压比较器是电子电路中常见的一种器件或电路，通常用于比较两个电压的大小，然后输出高电平或低电平来实现对信号的控制。

在电子电路设计中，电压比较器是十分常用的电路之一，因此，本文将介绍一些常用的电压比较器。

1. LM311电压比较器LM311是一种具有高速、精度和灵敏度的电压比较器，常用于电子控制和测量系统中。

它操作电源范围广，具有高电阻输入和输出，且能够在广泛的温度范围内操作。

另外，LM311还具有可调的电压比较器和滞回比较器的特性，使其更加灵活和多功能。

2. LM339电压比较器LM339是一种低功耗、低电压操作和高精度的电压比较器。

它具有四个独立的比较器，每个比较器都有一个开放式输出引脚和一个输入电平偏置器。

LM339的功耗非常低，故它在开启多个输出时也不会对电路产生太大的负担。

3. LM393电压比较器LM393是一种专为简单应用设计的低功耗、电压操作和高精度的电压比较器。

它具有两个独立的高增益、低偏移电压比较器，具有不需要外部元件的开环电路输入抗性。

它还具有多种工作电压和温度范围，适用于多种不同的应用场合。

4. UA741电压比较器UA741是一种原始的集成电路，它是很多电路中常见的基本电压比较器模块。

它具有高增益、宽电压范围和大电流能力，因此，在许多不同应用场合中都有广泛的应用。

总的来说，以上四种电压比较器都有各自的特点和应用场合，它们都是电子电路设计中常见的器件或电路。

电压比较器在电压判断、判断两个电路是否相等等方面有广泛的应用，但需要特别注意的是在实际应用中，也需要使用外部元件来进行稳定性校正，这种校正可以提高电路的稳定性、精度和性能。

lm393原理简介lm393是什么？lm393是一种常用的双比较器芯片，由两个比较器组成。

它常用于电路中的比较和判断处理，例如电压比较、电流限制等。

lm393具有较高的功耗效率和性能稳定性，广泛应用于电子设备和电路控制系统中。

lm393的特点•双比较器设计，可同时处理两个输入信号•低功耗，适合电池供电的电子设备•宽电压范围，可工作于广泛的电压条件下•内置的输出放大器，可直接驱动负载•高共模抑制比，有效抑制噪音信号对比较结果的影响工作原理lm393的引脚功能lm393芯片具有8个引脚，下面是对各个引脚功能的详细说明：1.VIN-：负输入端1，第一个比较器的负输入端2.VIN+：正输入端1，第一个比较器的正输入端3.VCC：电源正极，lm393芯片的供电端4.GND：电源负极，lm393芯片的地5.OUT：输出端，当输入信号满足比较条件时输出高电平，否则输出低电平6.VIN+：正输入端2，第二个比较器的正输入端7.VIN-：负输入端2，第二个比较器的负输入端8.NC：不连接，保留引脚，不使用时需要悬空内部电路结构lm393的内部电路结构非常简单，由两个独立的比较器组成。

每个比较器包含一个差动放大器和一个输出级。

差动放大器的作用是放大输入信号，并将其与参考电压进行比较。

输出级根据比较的结果，将高电平或低电平输出到OUT引脚。

输入信号比较lm393芯片的输入信号可以是电压、电流或其他物理量。

对于电压比较，我们可以将需要比较的电压接到VIN+引脚，将参考电压接到VIN-引脚。

根据两个输入端不同电势的比较结果，通过OUT引脚输出高电平或低电平。

输出信号驱动lm393芯片的输出信号可以直接驱动负载电路。

通常情况下，我们将负载接在OUT引脚和地之间。

当输入信号满足比较条件时，OUT引脚输出高电平，负载电路得到电流驱动；否则，OUT引脚输出低电平，负载电路不得到电流驱动。

应用场景电压比较器由于lm393芯片具有双比较器的特点，因此可以实现电压的比较和判断操作。

lm393原理范文LM393是一种广泛应用于电子领域的比较器集成电路，其原理是将两个输入信号进行比较，并输出一个高电平或低电平的数字信号。

LM393最常见的用途是将模拟信号转换为数字信号，从而实现电路的开关控制。

LM393内部主要由两个比较器组成，每个比较器包括一个差动放大器和一个输出级。

差动放大器主要用于比较两个输入信号的大小，输出级则根据比较结果产生相应的数字信号。

在LM393中，有两个输入引脚:正输入引脚(IN+)和负输入引脚(IN-)。

正输入引脚(IN+)通常被连接到固定电压源，负输入引脚(IN-)则与待测信号相连接。

当输入信号的电压高于正输入引脚的电压时，比较器输出为高电平(通常为VCC)；而当输入信号的电压低于正输入引脚的电压时，比较器输出为低电平(通常为GND)。

在比较器的工作过程中，差动放大器接受两个输入信号，并通过放大器内部的放大电路对信号进行放大。

放大电路通常由一个差动对和各种电阻、电容等元器件组成。

差动对是由一个NPN型和一个PNP型晶体管组成，它们共用一个集电极，而各自的发射极则与输入信号相连。

在差动对的作用下，两个输入信号的差异将产生一个微弱的电压差，这个差异信号将被差动放大器放大。

放大器的放大倍数通常由外部电阻来调整，通过增加或减少电阻值可以改变LM393的增益。

放大器放大后的信号将传输到输出级，输出级根据放大信号的大小来控制输出信号的电平。

输出级一般由一个开关管组成，当放大信号大于一些阈值时，开关管将导通，输出信号为高电平；当放大信号小于阈值时，开关管将断开，输出信号为低电平。

阈值通常由比较器内部的参考电压决定，可以在设计中通过电位器来调整。

LM393的输出电平可以通过若干外围元器件来进一步控制。

例如，可以通过连接一个电阻和一个二极管到输出端，以形成开关触发电路。

当输出信号产生较大的电平变化时，二极管将导通，通过电阻控制其他电路的启动或停止。

总的来说，LM393是一种基于差动放大器的比较器集成电路，可以将两个输入信号进行比较，并输出相应的数字信号。