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LM393 Low Power Low Offset Voltage Dual Comparator IC DIP-8 Package

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The LM393 series consists of two independent precision voltage comparators with an offset voltage specification as low as 2.0 mV max for two comparators which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Application areas include limit comparators, simple analog to digital converters; pulse, square wave and time delay generators; wide range VCO; MOS clock timers; multi vibrators and high voltage digital logic gates. The LM193-N series was designed to directly interface with TTL and CMOS. When operated from both plus and minus power supplies, the LM19-N series will directly interface with MOS logic where their low power drain is a distinct advantage over standard comparators. The LM393 parts are available in TI’s innovative thin DSBGA package with 8 (12 mil) large bumps.


  • Wide Supply – Voltage Range: 2.0 V to 36 V – Single or Dual Supplies: ±1.0 V to ±18 V
  • Very Low Supply Current Drain (0.4 mA) — Independent of Supply Voltage
  • Low Input Biasing Current: 25 nA
  • Low Input Offset Current: ±5 nA
  • Maximum Offset voltage: ±3 mV
  • Input Common-Mode Voltage Range Includes Ground
  • Differential Input Voltage Range Equal to the Power Supply Voltage
  • Low Output Saturation Voltage: 250 mV at 4 mA
  • Output Voltage Compatible with TTL, DTL, ECL, MOS and CMOS logic systems
  • Available in the 8-Bump (12 mil) DSBGA Package


Parameter Specification
Number of channels (#) 2
Output type Open Collector
Propagation delay time (µs) 0.7
Vs (Max) (V) 36
Vs (Min) (V) 2
Vos (offset voltage @ 25 C) (Max) (mV) 5
Iq per channel (Typ) (mA) 0.2
Input bias current (+/-) (Max) (nA) 250
Rail-to-rail Out
Operating temperature range (C) 0 to 70
Features Small Size, Standard comparator
VICR (Max) (V) 34.5
VICR (Min) (V) 0


* product image for illustration purposes only. actual product may vary.


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