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ADM6710:  Low Voltage, High Accuracy, Triple/Quad Voltage Microprocessor Supervisory Circuit

The ADM6710 is a low voltage, high accuracy supervisory circuit. The device monitors up to four system supply voltages.

The ADM6710 incorporates a variety of internally pretrimmed undervoltage threshold options for monitoring 1.8 V, 2.5 V, 3.0 V, 3.3 V and 5.0 V supply voltages. The ADM6710Q offers three adjustable thresholds for monitoring voltages down to 0.62 V. See the Data Sheet ...More

ADM6710:  Low Voltage, High Accuracy, Triple/Quad Voltage Microprocessor Supervisory Circuit

Product Description

The ADM6710 is a low voltage, high accuracy supervisory circuit. The device monitors up to four system supply voltages.

The ADM6710 incorporates a variety of internally pretrimmed undervoltage threshold options for monitoring 1.8 V, 2.5 V, 3.0 V, 3.3 V and 5.0 V supply voltages. The ADM6710Q offers three adjustable thresholds for monitoring voltages down to 0.62 V. See the Data Sheet Ordering Guide section for a list and description of all available options.

If a monitored power supply voltage falls below the minimum voltage threshold, a single active low output asserts, triggering a system reset. The output is open drain with a weak internal pull-up to the monitored IN2 supply (or to VCC in the case of the ADM6710Q) of typically 10 μA. Once all voltages rise above the selected threshold level, the reset signal remains low for the reset timeout period (200 ms typical).

The ADM6710 output remains valid as long as IN1 or IN2 exceeds 1 V, whereas for the ADM6710Q, the output remains valid as long as VCC exceeds 2 V.

Unused monitored inputs should not be allowed to float or to be grounded, instead they should be connected to a supply voltage greater than their specified threshold voltages. The ADM6710 is available in a 6-lead SOT-23 package. The device operates over the extended temperature range of −40°C to +85°C.

Applications

  • Telecommunications
  • Microprocessor systems
  • Desktop and notebook computers
  • Data storage equipment
  • Servers/workstations

    • Data Sheet, Rev. 0, 6/07

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    • Accurate monitoring of up to four power supply voltages
    • 5 factory-set threshold options: 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V
    • Adjustable input threshold voltage = 0.62 V (1.5% accuracy)
    • Open-drain RESET output (10 μA internal pull-up)
    • 200 ms typical reset timeout
    • Reset output stage: active low, valid to IN1 = 1 V or IN2 = 1 V
    • Low power consumption (35 μA)
    • Power supply glitch immunity
    • Specified from −40°C to +85°C
    • 6-lead SOT-23 package
    • # of Monitored Voltages: 4
    • Manual Reset Capability: No
    • Package: SOT
    • Reset Threshold Summary: 6 Options--0.62Adj to 5V
    • Reset Output-Stage: Active-Low/Open-Drain
    • Min Reset Timeout (ms): 140
    • Typ Watchdog Timeout (ms): ---

    Functional Block Diagram for ADM6710

    类似产品

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    Part# # of Monitored Voltages Reset Threshold Summary Min Reset Timeout (ms) Reset Output-Stage Manual Reset Capability Typ Watchdog Timeout (ms) Package Product Description Price* (1000-4999)
    AD5100 4 Programmable Adj Active-Low/Push-Pull Yes adj. SOP System-Mgmt IC with Programmable Quad Voltage Monitoring and Supervisory Functions $2.96
    ADM1184 4 Adjustable 280 Active-High/Open-Drain No --- SOP 0.8% Accurate Quad Voltage Monitor $2.42
    ADM13305 2 5 Options--0.6Adj to 4.55 140 Active-High/Push-Pull, Active-Low/Push-Pull Yes 1.6 SOIC Dual Processor Supervisor with Watchdog $0.96
    ADM13307 3 6 Options--0.6 to 4.55V 140 Active-High/Push-Pull, Active-Low/Push-Pull Yes --- SOIC Triple Processor Supervisors $0.99
    ADM2914 4 Vcc ± 500 mV Adj Active-Low/Open-Drain No adj. SOP Quad UV/OV Positive/Negative Voltage Monitor $3.99
    ADM6339 4 9 Options&Adj (-5 to +5) 200 Active-Low/Int-Pullup No --- SOT Quad Voltage Microprocessor Supervisory Circuit $1.79
    ADM6710 4 6 Options--0.62Adj to 5V 140 Active-Low/Open-Drain No --- SOT Low Voltage, High Accuracy, Triple/Quad Voltage uP Supervisory Circuit $1.62
    ADM9264 4 4 Options--2.6 to 11.04V n/a Active-Low/Open-Drain No --- SOIC Quad Power Supply Monitor for Desktop PCs -
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