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LM2903 Datasheet Low Power Low Offset Voltage Dual Comparators

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators October 1999 LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The LM193 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.

Key Features

  • n Wide supply.
  • Voltage range:.
  • single or dual supplies: 2.0V to 36V ±1.0V to ±18V n Very low supply current drain (0.4 mA).
  • independent of supply voltage n Low input biasing current: 25 nA n Low input offset current: ±5 nA n Maximum offset voltage: ±3 mV n Input common-mode voltage range includes ground n Differential input voltage range equal to the power supply voltage n Low output saturation voltage,: 250 mV at 4 mA n Output voltage compatible with.

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