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RT2903H Datasheet RobuST low-power dual voltage comparators

Manufacturer: STMicroelectronics

General Description

This device consists of two independent lowpower voltage comparators designed specifically to operate from a single power supply over a wide range of voltages.

Operation from split power supplies is also possible.

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.

Overview

RT2903H RobuST low-power dual voltage comparators Datasheet - production data D SO8 (plastic micropackage) Pin connections (top view) 1 - Output 1 2 - Inverting inpput 1 3 - Non-inverting input 1 4 - VCC5 -.

Key Features

  • Wide single supply voltage range or dual supplies: 2 V to 36 V or ±1 V to ±18 V.
  • Very low supply current (0.4 mA) independent of supply voltage (1 mW/comparator at 5 V).
  • Low input bias current: 25 nA typ.
  • Low input offset current: ±5 nA typ.
  • Input common-mode voltage range includes ground.
  • Low output saturation voltage: 250 mV typ. (IO = 4 mA).
  • Differential input voltage range equal to the supply voltage.
  • TTL, DTL, ECL,.