LM339 概述

These devices consist of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships. The LM139 and LM139A are characterized for operation over the full military temperature range of −55°C to 125°C. The LM239 and LM239A are characterized for operation from −25°C to 125°C. The LM339 and LM339A are characterized for operation from 0°C to 70°C. The LM2901 is characterized for operation from −40°C to 125°C.

LM339 特性

* Single Supply or Dual Supplies

* Wide Range of Supply Voltage:

− Max Rating . . . 2 V to 36 V

− Tested to 30 V . . . Non-V Devices

− Tested to 32 V . . . V-Suffix Devices

* Low Supply-Current Drain Independent of Supply Voltage . . . 0.8 mA Typ

* Low Input Bias Current . . . 25 nA Typ

* Low Input Offset Current . . . 3 nA Typ (LM139)

* Low Input Offset Voltage . . . 2 mV Typ

* Common-Mode Input Voltage Range Includes Ground

* Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage . . . ±36 V

* Low Output Saturation Voltage

* Output Compatible With TTL, MOS, and CMOS

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