Overview

Description

The HA-4902/883 is a monolithic, quad, precision comparator offering fast response time, low offset voltage, low offset current and virtually no channel-to-channel crosstalk for applications requiring accurate, High-Speed, signal level detection. This comparator can sense signals at ground level while being operated from either a single +5V supply (digital systems) or from dual supplies (analog networks) up to ±15V. The HA-4902/883 contains a unique current driven output stage which can be connected to logic system supplies (VLOGIC+ and VLOGIC-) to make the output levels directly compatible (no external components needed) with any standard logic or special system logic levels. In combination analog/digital systems, the design employed in the HA-4902/883 input and output stages prevents troublesome ground coupling of signals between analog and digital portions of the system. This comparators’ combination of features make it an ideal component for signal detection and processing in data acquisition systems, test equipment and microprocessor/analog signal interface networks.

Features

  • This circuit is processed in accordance to MIL-STD-883 and is fully conformant under the provisions of Paragraph 1.2.1
  • Fast Response Time (+25°C)
  • Maximum . . . . . . . . . . . . . . . . . . . . . . . . . 215ns
  • Typical . . . . . . . . . . . . . . . . . . . . . . . . . . .180ns
  • Low Offset Voltage (+25°C)
  • Maximum . . . . . . . . . . . . . . . . . . . . . . . . . 5.0mV
  • Typical . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0mV
  • Low Input Sensitivity
  • Maximum . . . . . . . . . . . . . . . . . . . . . . . . . 0.5mV
  • Typical . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05mV
  • Low Offset Current (+25°C)
  • Maximum . . . . . . . . . . . . . . . . . . . . . . . . . .35nA
  • Typical . . . . . . . . . . . . . . . . . . . . . . . . . . . 10nA
  • Single or Dual Voltage Supply Operation
  • Selectable Output Logic Levels
  • Active Pull-Up/Pull-Down Output Circuit. No External Resistors Required

Applications

Applications

  • Threshold Detector
  • Zero Crossing Detector
  • Window Detector
  • Analog Interfaces for Microprocessors
  • High Stability Oscillators
  • Logic System Interfaces

Documentation

Type
Date
PDF 640 KB Datasheet
PDF 4.85 MB Brochure
PDF 258 KB Training
PDF 325 KB Training
PDF 260 KB Product Change Notice
PDF 323 KB Product Change Notice
PDF 282 KB Product Advisory
PDF 174 KB Product Change Notice
PDF 78 KB Product Change Notice
PDF 811 KB Datasheet
PDF 151 KB Product Change Notice
PDF 138 KB Product Change Notice
PDF 357 KB Application Note
PDF 338 KB Application Note
PDF 224 KB Application Note
15 items

Design & Development

Models

Support