ADM6713:  Microprocessor Supervisory Circuit in 4-Lead SC70

The ADM6711/ADM6713 are reset generator circuits suitable for use in microprocessor-based systems. They provide a reset signal on power-up, power-down, and whenever the supply voltage falls below a ...More

ADM6713:  Microprocessor Supervisory Circuit in 4-Lead SC70

Product Description

The ADM6711/ADM6713 are reset generator circuits suitable for use in microprocessor-based systems. They provide a reset signal on power-up, power-down, and whenever the supply voltage falls below a preset threshold. In addition, both parts have a debounced manual reset input so that a reset signal can also be initiated with an external switch or logic signal.

With six different reset threshold options available ranging from 2.32 V to 4.63 V, the ADM6711/ADM6713 are suitable for monitoring 2.5 V, 3 V, 3.3 V, and 5 V supplies. A reset timeout of at least 140 ms occurs when VCC rises above the threshold. This gives the supply voltage time to stabilize before the microprocessor starts up.

The ADM6711 has a push-pull output, so no additional external components are needed. The ADM6713 open-drain output requires an external pull-up resistor that can be connected to a voltage higher than VCC, if desired.

The parts are highly reliable with accurate voltage references and immunity to fast, negative-going transients on VCC. Low current consumption and space-efficient, 4-lead SC70 packaging make the ADM6711/ADM6713 ideal for use in low power portable applications.

Applications

  • Microprocessor systems
  • Computers
  • Controllers
  • Intelligent instruments
  • Automotive systems
  • Data Sheet, Rev. A, 12/06

    Features

    • Specified over temperature
    • Low power consumption (12 μA)
    • Reset timeout period of 140 ms (minimum)
    • Output stages
      Push-pull RESET output (ADM6711)
      Open-drain RESET output (ADM6713)
    • Precision monitoring of 2.5 V, 3 V, 3.3 V, and 5 V power supply voltages
    • Manual reset input
    • Reset assertion down to 1 V VCC
    • Power supply glitch immunity
    • 4-lead SC70 package

    Diagrams

    ADM6713 Diagram
    Functional Block Diagram for ADM6713

    Specifications

    Backup-Battery Switch No
    Manual Reset Capability Yes
    Package SC70
    Reset Threshold (V) 2.32,2.63,2.93,3.08,4.38,4.63
    Reset Output-Stage Active-Low/Open-Drain
    Min Reset Timeout (ms) 140
    Watchdog Timer No
    # of Monitored Voltages 1

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    Part# Reset Threshold (V) Min Reset Timeout (ms) Reset Output-Stage Manual Reset Capability Package Price* (1000-4999)
    ADM1810 4.35, 4.62 100 Active-Low/Push-Pull No SC70, SOT $0.45
    ADM1811 4.35, 4.62 100 Active-Low/Int-Pullup No SC70, SOT $0.45
    ADM1812 4.35, 4.62 100 Active-High/Push-Pull No SC70, SOT $0.45
    ADM1813 4.35, 4.62 100 Active-Low/Int-Pullup Yes SC70, SOT $0.39
    ADM1815 2.18, 2.31, 2.55, 2.88, 3.06 100 Active-High/Push-Pull No SC70, SOT $0.39
    ADM1816 2.18, 2.31, 2.55, 2.88, 3.06 100 Active-Low/Int-Pullup No SC70, SOT $0.45
    ADM1817 2.18, 2.31, 2.55, 2.88, 3.06 100 Active-High/Push-Pull No SC70, SOT $0.45
    ADM1818 2.18, 2.31, 2.55, 2.88, 3.06 100 Active-Low/Int-Pullup Yes SC70, SOT $0.44
    ADM6315 2.63, 2.93, 3.08, 4.39, 4.5, 4.63 1, 1,120, 140, 20 Active-Low/Open-Drain Yes SOT $0.80
    ADM6319 2.5, 2.63, 2.7, 2.8, 2.93, 3.0, 3.08, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.39, 4.5, 4.63, 4.7, 4.8, 4.9, 5.0 1, 1,120, 140, 20 Active-High/Push-Pull, Active-Low/Push-Pull Yes SOT $0.50
    ADM6322 2.5, 2.63, 2.7, 2.8, 2.93, 3.0, 3.08, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.39, 4.5, 4.63, 4.7, 4.8, 4.9, 5.0 1, 1,200, 140, 20 Active-High/Push-Pull, Active-Low/Open-Drain Yes SOT $0.50
    ADM6384 1.58, 1.67, 2.19, 2.31, 2.4, 2.5, 2.63, 2.7, 2.8, 2.93, 3.0, 3.08, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.39, 4.5, 4.63, 4.7, 4.8, 4.9, 5.0 1, 1,120, 140, 20 Active-Low/Push-Pull Yes SC70 $0.94
    ADM6711 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-Low/Push-Pull Yes SC70 $0.26
    ADM6713 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-Low/Open-Drain Yes SC70 $0.28
    ADM6825 1.58, 1.67, 2.19, 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-High/Push-Pull, Active-Low/Push-Pull Yes SOT -
    ADM698 4.65 140 Active-High/Push-Pull, Active-Low/Push-Pull No DIP, SOIC $1.35
    ADM707 4.65 160 Active-High/Push-Pull, Active-Low/Push-Pull Yes DIP, SOIC $0.96
    ADM708 2.63, 2.93, 3.08, 4.4, 4.65 160 Active-High/Push-Pull, Active-Low/Push-Pull Yes DIP, SOIC, SOP $0.84
    ADM709 2.63, 2.93, 3.08, 4.4, 4.65 140 Active-Low/Push-Pull No DIP, SOIC $0.70
    ADM803 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-Low/Open-Drain No SC70 $0.26
    ADM809 2.32, 2.63, 2.93, 3.08, 4.0, 4.38, 4.63 140 Active-Low/Push-Pull No SC70, SOT $0.61
    ADM810 2.32, 2.63, 2.93, 3.08, 4.0, 4.38, 4.63 140 Active-High/Push-Pull No SC70, SOT $0.60
    ADM811 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-Low/Push-Pull Yes SOT $0.45
    ADM812 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-High/Push-Pull Yes SOT $0.45
    ADM825 2.19, 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 140 Active-High/Push-Pull, Active-Low/Push-Pull Yes SC70, SOT $0.50
    ADM8698 4.65 140 Active-High/Push-Pull, Active-Low/Push-Pull No DIP, SOIC $1.99
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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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