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ADM705 Datasheet

ADM705 Datasheet

Low Cost Microprocessor Supervisory Circuit
Part No.: ADM705
Page: 12 Pages
Size: 350 KB
Manufacturer: Analog Devices, Inc.
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Views: 1
Update Time: 2024-11-19 14:39:05
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ADM705 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
ADM705AN Tube 50   1 8 -40°C ~ 85°C 8-Lead PDIP  
ADM705ANZ Tube 50   1 8 -40°C ~ 85°C 8-Lead PDIP  
ADM705AR Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM705AR-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM705AR-REEL7 Reel 1000   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM705ARZ Tube 98   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM705ARZ-REEL Reel 2500   1 8 -40°C ~ 85°C 8-Lead SOIC  
ADM705ARZ-REEL7 Reel 1000   1 8 -40°C ~ 85°C 8-Lead SOIC  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

ADM705 Datasheet(PDF)

ADM705 Datasheet(Picture)

ADM705 Features

  • Guaranteed RESET valid with VCC = 1 V
  • 190 μA quiescent current
  • Precision supply voltage monitor
    • 4.65 V (ADM705/ADM707)
  • 200 ms reset pulse width
  • Debounced TTL/CMOS manual reset input (MR)
  • Independent watchdog timer (ADM705/ADM706)
  • 1.60 sec timeout (ADM705/ADM706)
  • Voltage monitor for power fail or low battery warning
  • Superior upgrade for MAX705 to MAX708

ADM705 Applications

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

ADM705 Description

The ADM705 microprocessor supervisory circuits are suitable for monitoring 5 V power supplies/batteries and microprocessor activity.

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

The ADM705 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 ADM705 are available in narrow 8-lead PDIP and 8-lead SOIC packages.

ADM705 Datasheet Related Parts

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