DATA SHEET www.onsemi.com Low Offset Voltage PDIP8 N SUFFIX Dual Comparators 8 CASE 626 1 SOIC8 LM393, LM393E, LM293, D SUFFIX LM2903, LM2903E, LM2903V, 8 CASE 751 1 NCV2903 Micro8 The LM393 series are dual independent precision voltage DM SUFFIX 8 comparators capable of single or split supply operation. These devices CASE 846A 1 are designed to permit a common mode rangetoground level with single supply operation. Input offset voltage specifications as low as 2.0 mV make this device an excellent selection for many applications in consumer, automotive, and industrial electronics. PIN CONNECTIONS Features Wide SingleSupply Range: 2.0 Vdc to 36 Vdc 1 8 Output A V CC 2 7 Output B SplitSupply Range: 1.0 Vdc to 18 Vdc Inputs A + 3 6 Very Low Current Drain Independent of Supply Voltage: 0.4 mA Inputs B + 4 5 GND Low Input Bias Current: 25 nA Low Input Offset Current: 5.0 nA (Top View) Low Input Offset Voltage: 5.0 mV (max) LM293/393 Input Common Mode Range to Ground Level DEVICE MARKING AND ORDERING INFORMATION Differential Input Voltage Range Equal to Power Supply Voltage See detailed marking information and ordering and shipping Output Voltage Compatible with DTL, ECL, TTL, MOS, and CMOS information on page 7 of this data sheet. Logic Levels ESD Clamps on the Inputs Increase the Ruggedness of the Device without Affecting Performance NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements AECQ100 Qualified and PPAP Capable These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: August, 2021 Rev. 33 LM393/DLM393, LM393E, LM293, LM2903, LM2903E, LM2903V, NCV2903 V + Input - Input Output CC R2 2.1 k Q4 R4 Q5 Q6 Q3 Q14 2.0 k F1 Q10 Q9 Q16 Q1 Q8 Q12 Q2 Q15 Q11 R1 4.6 k Figure 1. Representative Schematic Diagram (Diagram shown is for 1 comparator) www.onsemi.com 2