Features and Benefits

  • Accurate monitoring of up to four power supply voltages
  • 2 factory-set threshold options for monitoring 1.8 V and 3.3 V
  • Adjustable input threshold voltage 0.62 V (±1.5% accuracy)
  • 50 ms typical reset timeout
  • Reset output stage: active low, valid to IN1 = 1 V or IN2 = 1 V
  • Power supply glitch immunity
  • Specified from −40°C to +85°C
  • 6-lead SOT-23 package
  • Open-drain RESET output (10 μA internal pull-up)

Product Details

The ADM8710 is a low voltage, high accuracy supervisory circuit. The device monitors up to four system supply voltages.

The ADM8710 incorporates two internally pretrimmed undervoltage threshold options for monitoring 1.8 V and 3.3 V supply voltages. It also offers two adjustable inputs with 0.62 V internal reference, allowing users to program the reset threshold through external resistor dividers. The combination of pretrimmed and adjustable inputs gives the ADM8710 the advantage of being both space saving and flexible.

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 of typically 10 μA. When all voltages rise above the selected threshold level, the RESET signal remains low for the reset timeout period. The ADM8710 output remains valid as long as IN1 or IN2 exceeds 1 V.

Unused monitored inputs should not be allowed to float or to be grounded. Instead, connect them to a supply voltage greater than their specified threshold voltages.

The ADM8710 is available in a 6-lead SOT-23 package. The device operates over the extended temperature range of −40°C to +85°C.


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

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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