www.fairchildsemi.com LM2903,LM393/LM393A,LM293A Dual Differential Comparator Features Description • • • • • • • • The LM2903, LM393/LM393A, LM293A consist of two independent voltage comparators designed to operate from a single power supply over a wide voltage range. Single Supply Operation: 2V to 36V Dual Supply Operation: 1V to 18V Allow Comparison of Voltages Near Ground Potential Low Current Drain 800A Typ. Compatible with all Forms of Logic Low Input Bias Current 25nA Typ. Low Input Offset Current 5nA Typ. Low Offset Voltage 1mV Typ. 8-DIP 1 8-SOIC 1 Internal Block Diagram OUTPUT1 1 IN1 (-) 2 IN1 (+) 3 GND 4 8 7 OUTPUT2 + VCC - 6 IN2 (-) + 5 IN2 (+) Rev. 2.0.2 ©2012 Fairchild Semiconductor Corporation LM2903,LM393/LM393A,LM293A Schematic Diagram VCC Q12 Q9 Q14 D3 D2 D4 Q2 Q3 R2 D1 IN (+) Q1 Q4 OUTPUT Q8 IN (-) Q13 Q7 Q5 D5 Q6 R1 D6 GND Absolute Maximum Ratings Parameter Symbol Value Unit VCC 18 or 36 V VI(DIFF) 36 V Input Voltage VI -0.3 to +36 V Output Short Circuit to GND - Continuous - PD 1040 480 mW Power Supply Voltage Differential Input Voltage Power Dissipation, Ta = 25C 8-DIP 8-SOIC Operating Temperature LM393/LM393A LM2903 LM293A Storage Temperature TOPR 0 ~ +70 -40 ~ +105 -25 ~ +85 C TSTG -65 ~ +150 C Thermal Data Parameter Thermal Resistance Junction-Ambient Max. 8-DIP 8-SOIC 2 Symbol Value Unit Rja 120 260 C/W LM2903,LM393/LM393A,LM293A Electrical Characteristics (VCC = 5V, TA = 25C, unless otherwise specified) Parameter Symbol Input Offset Voltage VIO Input Offset Current IIO Input Bias Current IBIAS Input Common Mode Voltage Range VI(R) Supply Current ICC Voltage Gain GV Large Signal Response Time Conditions LM293A/LM393A LM393 Unit Min. Typ. Max. Min. Typ. Max. VO(P) =1.4V, RS = 0 - 1 2 - 1 5 VCM= 0 to 1.5V Note1 - - 4.0 - - 9.0 - 5 50 - 5 50 - - 150 - - 150 - 65 250 - 65 250 - - 400 - - 400 0 - VCC -1.5 0 - VCC -1.5 0 - VCC-2 0 - VCC-2 RL = VCC = 5V - 0.6 1 - 0.6 1 RL = , VCC = 30V - 0.8 2.5 - 0.8 2.5 VCC =15V, RL 15k (for large VO(P-P)swing) 50 200 - 50 200 - V/mV TLRES VI =TTL Logic Swing VREF =1.4V, VRL = 5V, RL = 5.1k - 350 - - 350 - nS Response Time TRES VRL =5V, RL =5.1k - 1.4 - - 1.4 - S Output Sink Current ISINK VI(-) 1V, VI(+) =0V, VO(P) 1.5V 6 18 - 6 18 - mA Output Saturation Voltage VSAT VI(-) 1V, VI(+) = 0V - 160 400 - 160 400 ISINK = 4mA Note1 - - 700 - - 700 VI(-) = 0V, VI(+) = 1V VO(P) = 5V - 0.1 - - 0.1 - nA VO(P) = 30V - - 1.0 - - 1.0 A Output Leakage Current Note1 Note1 Note1 IO(LKG) mV nA nA V mA mV Note1 LM393/LM393A: 0 TA +70C LM2903: -40 TA+105C LM293A : -25 TA +85C 3 LM2903,LM393/LM393A,LM293A Electrical Characteristics (Continued) (VCC = 5V, TA = 25C, unless otherwise specified) Parameter Input Offset Voltage VIO Input Offset Current IIO Input Bias Current IBIAS Input Common Mode Voltage Range VI(R) Supply Current ICC Voltage Gain GV Conditions LM2903 Unit Min. Typ. Max. VO(P) =1.4V, RS = 0 - 1 7 VCM= 0 to 1.5V - 9 15 - 5 50 - 50 200 - 65 250 - - 500 0 - VCC -1.5 0 - VCC-2 RL = , VCC = 5V - 0.6 1 RL = , VCC = 30V - 1 2.5 25 100 - V/mV Note1 Note1 Note1 Note1 VCC =15V, RL15k (for large VO(P-P)swing) mV nA nA V mA Large Signal Response Time TLRES VI =TTL Logic Swing VREF =1.4V, VRL = 5V, RL = 5.1k - 350 - nS Response Time TRES VRL = 5V, RL = 5.1k - 1.5 - S Output Sink Current ISINK VI(-) 1V, VI(+) = 0V, VO(P) 1.5V 6 16 - mA Output Saturation Voltage VSAT VI(-) 1V, VI(+) = 0V - 160 400 Output Leakage Current Note1 LM393/LM393A: 0 TA +70C LM2903: -40 TA +105C LM293A : -25 TA +85C 4 Symbol IO(LKG) mV ISINK = 4mA Note1 - - 700 VI(-) = 0V, VO(P) = 5V - 0.1 - nA VI(+) = 1V VO(P) = 30V - - 1.0 A LM2903,LM393/LM393A,LM293A Typical Performance Characteristics Figure 1. Supply Current vs Supply Voltage Figure 2. Input Current vs Supply Voltage Figure 3. Output Saturation Voltage vs Sink Current Figure 4. Response Time for Various Input Overdrive-Negative Transition Figure 5. Response Time for Various Input Overdrive-Positive Transition 5 LM2903,LM393/LM393A,LM293A Mechanical Dimensions Package Dimensions in millimeters 8-DIP [ .400 10.15 .373 9.46 A ] .036 [0.9 TYP] (.092) [Ø2.337] (.032) [R0.813] PIN #1 .250±.005 [6.35±0.13] PIN #1 B TOP VIEW OPTION 1 TOP VIEW OPTION 2 [ ] .070 1.78 .045 1.14 .310±.010 [7.87±0.25] .130±.005 [3.3±0.13] .210 MAX [5.33] 7° TYP 7° TYP C [ ] .021 0.53 .015 0.37 .001[.025] C .015 MIN [0.38] .140 3.55 .125 3.17 [ ] .100 [2.54] NOTES: A. CONFORMS TO JEDEC REGISTRATION MS-001, VARIATIONS BA B. CONTROLING DIMENSIONS ARE IN INCHES REFERENCE DIMENSIONS ARE IN MILLIMETERS C. DOES NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .010 INCHES OR 0.25MM. D. DOES NOT INCLUDE DAMBAR PROTRUSIONS. DAMBAR PROTRUSIONS SHALL NOT EXCEED .010 INCHES OR 0.25MM. E. DIMENSIONING AND TOLERANCING PER ASME Y14.5M-1994. N08EREVG 6 .300 [7.62] .430 MAX [10.92] .060 MAX [1.52] [ ] +0.127 .010+.005 -.000 0.254-0.000 LM2903,LM393/LM393A,LM293A Mechanical Dimensions (Continued) Package Dimensions in millimeters 8-SOIC 7 LM2903,LM393/LM393A,LM293A Ordering Information Product Number Operating Temperature LM393N 8-DIP LM393AN LM393M LM393MX Package 8-SOIC LM393AMX 8-DIP -40 ~ +105C LM2903MX LM293AN Rail Tape & Reel Rail Tape & Reel LM2903N LM2903M Rail Rail 0 ~ +70C LM393AM Packing Method -25 ~ +85C 8-SOIC 8-DIP Rail Rail Tape & Reel Rail DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com 7/24/12 0.0m 001 Stock#DS400295 2012 Fairchild Semiconductor Corporation