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ADM708 Datasheet

ADM708 Datasheet

3 V, Voltage Monitoring Microprocessor Supervisory Circuit
Part No.: ADM708
Page: 12 Pages
Size: 350 KB
Manufacturer: Analog Devices, Inc.
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Views: 2
Update Time: 2024-11-19 14:56:23
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ADM708 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADM708ANZ Tube 50   1 8 -40°C ~ 85°C 8-Lead PDIP  
ADM708AR Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708AR-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708ARZ Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708ARZ-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708ARMZ Tube 50 M8F 1 8 -40°C ~ 85°C 8-Lead MSOP  
ADM708ARMZ-REEL Reel 3000 M8F 1 8 -40°C ~ 85°C 8-Lead MSOP  
ADM708SARZ Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708SARZ-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708TARZ Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM708TARZ-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADM708 Datasheet(PDF)

ADM708 Datasheet(Picture)

ADM708 Features

  • Guaranteed RESET valid with VCC = 1 V
  • 190 μA quiescent current
  • Precision supply voltage monitor:
    4.40 V (ADM706/ADM708)
  • 200 ms reset pulse width
  • Debounced TTL/CMOS manual reset input (MR)
  • Active high reset output (ADM707/ADM708)
  • Voltage monitor for power fail or low battery warning
  • Superior upgrade for MAX705 to MAX708

ADM708 Applications

  • Microprocessor systems
  • Computers
  • Controllers
  • Intelligent instruments
  • Critical microprocessor supply monitoring

ADM708 Description

The ADM708 microprocessor supervisory circuits are suitable for monitoring 5 V power supplies/batteries and microprocessor activity.

The ADM705 / ADM706 provide power-supply monitoring circuitry that generate a reset output during power-up, powerdown, and brownout conditions. The reset output remains operational with VCC as low as 1 V. Independent watchdog monitoring circuitry is also provided. This is activated if the watchdog input has not been toggled within 1.60 sec.

In addition, there is a 1.25 V threshold detector to warn of power failures, to detect low battery conditions, or to monitor an additional power supply. An active low, debounced manual reset input (MR) is also included.

The ADM705 and ADM706 are identical except for the reset threshold monitor levels, which are 4.65 V and 4.40 V, respectively.

The ADM707 and ADM708 provide a similar functionality to the ADM705 and ADM706 and only differ in that a watchdog timer function is not available. Instead, an active high reset output (RESET) is available as well as the active low reset output (RESET). The ADM707 and ADM708 are identical except for the reset threshold monitor levels, which are 4.65 V and 4.40 V, respectively.

All devices are available in narrow 8-lead PDIP and 8-lead SOIC packages.

ADM708 Datasheet Related Parts

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