ADM6384:  Microprocessor Supervisory Circuit in 4-Lead SC70

The ADM6384 is a supervisory circuit that monitors power supply voltage levels in microprocessor-based systems. A power-on reset signal is generated when the supply voltage rises to a preset threshold ...More

ADM6384:  Microprocessor Supervisory Circuit in 4-Lead SC70

Product Description

The ADM6384 is a supervisory circuit that monitors power supply voltage levels in microprocessor-based systems. A power-on reset signal is generated when the supply voltage rises to a preset threshold level. The debounced manual reset input of the ADM6384 can be used to initiate a reset by means of an external push button or logic signal.

The part is available in a choice of 31 reset threshold options, from 1.58 V to 5.0 V. The minimum reset timeout periods are 1 ms, 20 ms, 140 ms, and 1120 ms.

The ADM6384 is available in a 4-lead SC70 package and typi-cally consumes only 7 μA, making it suitable for use in low power, portable applications.

Applications

  • Microprocessor systems
  • Computers
  • Controllers
  • Intelligent instruments
  • Portable equipment

    • Data Sheet, Rev. A, 1/07

    Features

    • Precision power supply monitoring
    • 31 reset threshold options: 1.58 V to 5.0 V
    • Four reset timeouts: 1 ms, 20 ms, 140 ms, and 1120 ms
    • Manual reset input
    • Reset output stage
    • Push-pull active-low
    • Guaranteed reset output valid to VCC = 1 V
    • Power supply glitch immunity
    • Specified over −40°C to +125°C temperature range
    • 4-lead SC70 package

    Diagrams

    ADM6384 Diagram
    Functional Block Diagram for ADM6384

    Характеристики

    # of Monitored Voltages 1
    Backup-Battery Switch No
    Manual Reset Capability Yes
    Package SC70
    Reset Threshold Summary 31 Options--1.58 to 5.0V
    Reset Output-Stage Active-Low/Push-Pull
    Min Reset Timeout (ms) 1,1120,140,20
    Watchdog Timer No

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    Part# Reset Threshold Summary Min Reset Timeout (ms) Reset Output-Stage Manual Reset Capability Package Price* (1000-4999)
    ADM1810 4.35V & 4.62V 100 Active-Low/Push-Pull No SC70, SOT $0.46
    ADM1811 4.35V & 4.62V 100 Active-Low/Int-Pullup No SC70, SOT $0.46
    ADM1812 4.35V & 4.62V 100 Active-High/Push-Pull No SC70, SOT $0.46
    ADM1813 4.35V & 4.62V 100 Active-Low/Int-Pullup Yes SC70, SOT $0.39
    ADM1815 5 Options--2.18 to 3.06V 100 Active-High/Push-Pull No SC70, SOT $0.39
    ADM1816 5 Options--2.18 to 3.06V 100 Active-Low/Int-Pullup No SC70, SOT $0.46
    ADM1817 5 Options--2.18 to 3.06V 100 Active-High/Push-Pull No SC70, SOT $0.46
    ADM1818 5 Options--2.18 to 3.06V 100 Active-Low/Int-Pullup Yes SC70, SOT $0.45
    ADM6315 6 Options--2.63 to 4.63V 1, 1,120, 140, 20 Active-Low/Open-Drain Yes SOT $0.81
    ADM6319 26 Options--2.5 to 5V 1, 1,120, 140, 20 Active-High/Push-Pull, Active-Low/Push-Pull Yes SOT $0.50
    ADM6322 26 Options--2.5 to 5V 1, 1,200, 140, 20 Active-High/Push-Pull, Active-Low/Open-Drain Yes SOT $0.51
    ADM6384 31 Options--1.58 to 5.0V 1, 1,120, 140, 20 Active-Low/Push-Pull Yes SC70 $0.95
    ADM6711 6 Options--2.32 to 4.63V 140 Active-Low/Push-Pull Yes SC70 $0.26
    ADM6713 6 Options--2.32 to 4.63V 140 Active-Low/Open-Drain Yes SC70 $0.28
    ADM6825 9 Options--1.58 to 4.63V 140 Active-High/Push-Pull, Active-Low/Push-Pull Yes SOT -
    ADM698 4.65V 140 Active-High/Push-Pull, Active-Low/Push-Pull No DIP, SOIC $1.37
    ADM707 4.65V 160 Active-High/Push-Pull, Active-Low/Push-Pull Yes DIP, SOIC $0.97
    ADM708 4 Options--2.63 to 4.4V 160 Active-High/Push-Pull, Active-Low/Push-Pull Yes DIP, SOIC, SOP $0.85