LM2903M

www.fairchildsemi.com LM2903,LM393/LM393A,LM293A Dual Differential Comparator Features Single Supply Operation: 2V to 36V Dual Supply Operation: 1V to 18V Allow Comparison of Voltages Near Ground Potential Low Current Drain 800A Typ. Compatible with all Forms of Logic Low Input Bias Current 25nA Typ. Low Input Offset Current 5nA Typ. Low Offset Voltage 1mV Typ. 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. 8-DIP 1 8-SOIC 1 Internal Block Diagram OUTPUT1 1 IN1 (-) 2 - IN1 (+) 3 + GND 4 8 VCC 7 OUTPUT2 - 6 IN2 (-) + 5 IN2 (+) ©2012 Fairchild Semiconductor Corporation Rev. 2.0.2 LM2903,LM393/LM393A,LM293A Schematic Diagram VCC IN (+) IN (-) GND Q9 D2 Q2 D1 D3 D4 Q3 Q1 Q4 Q5 Q6 Q12 Q14 R2 Q8 Q13 Q7 R1 OUTPUT D5 D6 Absolute Maximum Ratings Parameter Power Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit to GND Power Dissipation, Ta = 25C 8-DIP 8-SOIC Operating Temperature LM393/LM393A LM2903 LM293A Storage Temperature Symbol VCC VI(DIFF) VI - PD TOPR TSTG Thermal Data Parameter Thermal Resistance Junction-Ambient Max. 8-DIP 8-SOIC Symbol Rja Value 18 or 36 36 -0.3 to +36 Continuous 1040 480 0 ~ +70 -40 ~ +105 -25 ~ +85 -65 ~ +150 Value 120 260 Unit V V V - mW C C Unit C/W 2 LM2903,LM393/LM393A,LM293A Electrical Characteristics (VCC = 5V, TA = 25C, unless otherwise specified) P...