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ADM706:  3 V, Voltage Monitoring Microprocessor Supervisory Circuit

Product Status:Production
Data
Sheet
ADM706 Data Sheet Rev C, 05/2008 (pdf 398kB)
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Product Details

Product Status:Production
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The ADM706P/ADM706R/ADM706S/ADM706T and the ADM708R/ADM708S/ADM708T microprocessor supervisory circuits are suitable for monitoring either 3 V or 3.3 V power supplies.

The ADM706P/ADM706R/ADM706S/ADM706T provide power-supply monitoring circuitry that generate a reset output during power-up, power-down, 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 1.6 seconds.

In addition, there is a 1.25 V threshold detector for power-fail warning, low battery detection, or to monitor an additional power supply. An active low debounced MR input is also included.

The ADM706R, ADM706S, and ADM706T are identical except for the reset threshold monitor levels, which are 2.63 V, 2.93 V, and 3.08 V, respectively. The ADM706P is identical to the ADM706R in that the reset threshold is 2.63 V. It differs only in that it has an active high reset output.

The ADM708R/ADM708S/ADM708T provide similar functio-nality as the ADM706R/ADM706S/ADM706T and only differ in that a watchdog timer function is not available. Instead, an active high reset output (RESET) is provided in addition to the active low (RESET) output.

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

  1. A watchdog timer function is not available.
  2. An active high reset output (RESET) in addition to the active low (RESET) output is available.
Applications
  • Microprocessor systems
  • Computers
  • Controllers
  • Intelligent instruments
  • Critical microprocessor monitoring
  • Automotive systems
  • Battery-operated systems
  • Portable instruments

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FEATURES and BENEFITS

  • Precision supply voltage monitor
    2.63 V (ADM706P, ADM706R, ADM708R)
    2.93 V (ADM706S, ADM708S)
    3.08 V (ADM706T, ADM708T)
  • 100 μA quiescent current
  • 200 ms reset pulse width
  • Debounced manual reset input (MR)
  • Independent watchdog timer 1.6 sec timeout (ADM706x)
  • Reset Output
    Active high (ADM706P)
    Active low (ADM706R/ADM706S/ADM706T)
    Both active high and active low (ADM708R/ADM708S/ADM708T)
  • Voltage monitor for power-fail or low battery warning
  • Guaranteed RESET valid with VCC = 1 V
  • Superior upgrade for MAX706P/R/S/T, MAX708R/S/T

Typical Application Circuit

ADM706 Typical Application Circuit
Typical Applications and Other Diagrams

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Of Note ...

The ADM706 is also available which is identical to the ADM706 P/R/S/T except for the 5V reset threshold monitor levels.

Documentation

Title Content Type File Type
ADM706/ADM708: 3 V, Voltage Monitoring Microprocessor Supervisory Circuits Data Sheet (Rev C, 05/2008) (pdf, 398 kB) Data Sheets PDF
ADM705/ADM706/ADM707/ADM708: Low Cost Microprocessor Supervisory Circuits Data Sheet (Rev G, 03/2008) (pdf, 485 kB) Data Sheets PDF
Supervisory Devices Complementary Parts Guide for Altera FPGAs  (pdf, 664 kB) Product Selection Guide PDF
Supervisory Devices Complementary Parts Guide for Xilinx FPGAs  (pdf, 661 kB) Product Selection Guide PDF
Supervisory Devices Complementary Parts Guide for Altera FPGAs  (pdf, 664 kB) Solutions Bulletins PDF
Supervisory Devices Complementary Parts Guide for Xilinx FPGAs  (pdf, 661 kB) Solutions Bulletins PDF
Voltage Monitoring Products Applications Guide  (pdf, 1808 kB) Solutions Bulletins PDF
Voltage Monitoring and Sequencing (2009/2010)  (pdf) Overview PDF
Voltage Monitoring Products 2008  (pdf, 3930 kB) Overview PDF
Power System Management (Spring 2007)  (pdf, 1170 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
Supervisor Parametric Search
Narrow down the thousands of available supervisors using parameters applicable to your application. 		ADIsim Design/Simulation Tools HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

ADM706 Model Options
Model Package Pins Temp.
Range 		Packing,
Qty 		Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD51/080Z-0REEL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - - Y  Material Info PCN Purchase Sample
ADM706AN Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.47 $1.96 N  Material Info PCN Purchase
ADM706ANZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706AR Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.47 $1.96 N  Material Info PCN Purchase
ADM706AR-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.96 N  Material Info PCN Purchase
ADM706AR-REEL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.96 N  Material Info PCN Purchase
ADM706ARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706ARZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.70 Y  Material Info PCN Purchase
ADM706ARZ-REEL7 Status: Production SOIC 150 MIL 8 Ind Reel, 1000 - $1.70 Y  Material Info PCN Purchase
ADM706PANZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706PAR Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.47 $1.96 N  Material Info PCN Purchase
ADM706PARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.14 $1.70 Y  Material Info PCN Purchase Sample
ADM706PARZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.70 Y  Material Info PCN Purchase
ADM706RAN Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.47 $1.96 N  Material Info PCN Purchase
ADM706RANZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706RAR Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.47 $1.96 N  Material Info PCN Purchase
ADM706RAR-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.96 N  Material Info PCN Purchase
ADM706RAR-REEL7 Status: Production SOIC 150 MIL 8 Comm. Reel, 1000 - $1.96 N  Material Info PCN Purchase
ADM706RARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.14 $1.70 Y  Material Info PCN Purchase Sample
ADM706RARZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.70 Y  Material Info PCN Purchase
ADM706RARZ-REEL7 Status: Production SOIC 150 MIL 8 Comm. Reel, 1000 - $1.70 Y  Material Info PCN Purchase
ADM706SAN Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.47 $1.96 N  Material Info PCN Purchase
ADM706SANZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706SAR Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.47 $1.96 N  Material Info PCN Purchase
ADM706SAR-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.96 N  Material Info PCN Purchase
ADM706SARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.14 $1.70 Y  Material Info PCN Purchase Sample
ADM706SARZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.70 Y  Material Info PCN Purchase
ADM706TANZ Status: Production 8 ld PDIP 8 Ind Tube, 50 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706TAR Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.47 $1.96 N  Material Info PCN Purchase
ADM706TAR-REEL Status: Production SOIC 150 MIL 8 Comm. Reel, 2500 - $1.96 N  Material Info PCN Purchase
ADM706TARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $2.14 $1.70 Y  Material Info PCN Purchase
ADM706TARZ-REEL Status: Production SOIC 150 MIL 8 Comm. Reel, 2500 - $1.70 Y  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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