Products > Integrated Circuits (ICs) > Power Management ICs > ADM823RYRJZ-R7

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Supervisory Circuit, Manual Reset, Active-Low Reset, 2.7V-3.6Vin, SOT-23-5

Manufacturer : Analog Devices, Inc
Package/Case : SOT-23-5
Product Categories : Supervisory Circuits ; Supply Monitors with Watchdog Timers
Datasheet: ADM823RYRJZ-R7 Datasheet (PDF)
RoHs Status: Rohs
In-stock: 18235


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ADM823RYRJZ-R7 Product Details

The ADM823RYRJZ-R7 series Supervisory Circuit with watchdog timer and manual reset input. The ADM823/ADM824/ADM825 are supervisory circuits that monitors the power supply voltage levels and code execution integrity in microprocessor-based systems. In addition to providing power-on reset signals, an on-chip watchdog timer can reset the microprocessor if it fails to strobe within a preset timeout period. A reset signal can also be asserted by an external push-button, through a manual reset input. The reset and watchdog timeout periods are fixed at 140ms (minimum) and 1.6 seconds (typical), respectively.



  • Power supply glitch immunity
  • Specified over automotive temperature range
  • Guaranteed reset output valid to VCC=1V
  • 5µA Low power consumption


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

ADM823RYRJZ-R7 Pinout
(Picture: Pinout)

ADM823RYRJZ-R7 Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Voltages Monitored
  • 1
  • Monitored Voltage
  • 1 V to 5.5 V
  • Undervoltage Threshold
  • 2.59 V
  • Overvoltage Threshold
  • 2.66 V
  • Output Type
  • Push-Pull
  • Manual Reset
  • Resettable
  • Watchdog
  • Watchdog
  • Battery Backup Switching
  • No Backup
  • Power Up Reset Delay (Typ)
  • 280 ms
  • Supply Voltage Max
  • 5.5 V
  • Maximum Operating Temperature
  • + 125 C
  • Mounting Style
  • Package / Case
  • SOT-23-5
  • Packaging
  • Reel
  • Chip Enable Signals
  • No
  • Minimum Operating Temperature
  • - 40 C
  • Power Fail Detection
  • No
  • Series
  • ADM823
  • Supply Current (Typ)
  • 24 uA
  • Supply Voltage Min
  • 1 V

ADM823RYRJZ-R7 Datasheet

  • ADM823 Technical Documentation/Data sheet

ADM823RYRJZ-R7 Related Products

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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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