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ADCMP670:  Dual Low Power 1.5% Comparator With 400 mV Reference

Product Details


The ADCMP670 consists of two low power, high accuracy, comparator and reference circuits in a 6-lead TSOT package. The internal 400 mV reference provides the ability to monitor low voltage supplies. The device operates on a supply voltage from 1.7 V to 5.5 V and draws only 6.5 μA typical, making it suitable for low power system monitoring and portable applica-tions. Hysteresis is included in the comparators. The comparator outputs are open-drain and the output can be pulled up to any voltage up to 5.5 V. The output stage is guaranteed to sink greater than 5 mA over temperature.

The ADCMP670 is currently available in one model, the ADCMP670-1. This model has one inverting input and one noninverting input, making it suitable for use as a window comparator. The device is suitable for portable, commercial, industrial, and automotive applications.

Applications

  • Li-Ion monitoring
  • Portable applications
  • Hand-held instruments
  • Window comparators
  • LED/relay driving
  • Optoisolator driving
  • Control systems

    Data Sheet, Rev. 0, 2/07

  • FEATURES and BENEFITS

    • 400 mV ± 1.5% threshold
    • Supply range: 1.7 V to 5.5 V
    • Low quiescent current: 6.5 μA typical
    • Input range includes ground
    • Internal hysteresis: 8.9 mV typical
    • Low input bias current: ±10 nA maximum
    • Open-drain outputs
    • Supports wire-AND connections
    • Input polarities: one inverting and one noninverting
    • Low profile (1 mm) TSOT package
    • Drop-in replacement for the LT6700-1

    Typical Application Circuit

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    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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