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LM2901 Datasheet Low Power Low Offset Voltage Quad Comparators

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators March 2004 LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators.

General Description

The LM139 series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV max for all four comparators.

These 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.

Key Features

  • n Wide supply voltage range n LM139/139A Series 2 to 36 VDC or ±1 to ±18 VDC n LM2901: 2 to 36 VDC or ±1 to ±18 VDC n LM3302: 2 to 28 VDC or ±1 to ±14 VDC n Very low supply current drain (0.8 mA).
  • independent of supply voltage n Low input biasing current: 25 nA n Low input offset current: ±5 nA n Offset voltage: ±3 mV n Input common-mode voltage range includes GND n Differential input voltage range equal to the power supply voltage n Low output saturation voltage: 25.

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