Analog Devices ADM691 - µP Supervisor with Backup Battery Switchover, 50 ms Nominal Adjustable Reset Period, Adjustable Watchdog Period, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Backup Battery and Low Vcc Status O/Ps and 100mA Output Current
Power Management
Battery Management 
Digital Power Management
Display and Lighting
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Linear Regulators
Power Monitors
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Supervisors
Switched Capacitor Converters (Inductorless DC-DC converters)
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Switching Regulators (Integrated FET Switches)
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ADM691 µP Supervisor with Backup Battery Switchover, 50 ms Nominal Adjustable Reset Period, Adjustable Watchdog Period, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Backup Battery and Low Vcc Status O/Ps and 100mA Output Current
Data Sheets
 Application Notes Evaluation Boards Price, Packaging, and Availability
Product Description
The ADM690-ADM695 family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include...More
 Specifications
Supply Current (max) 1.95mA
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 Functional Block Diagram Enlarge
ADM691/93/95
Symbols and Footprints
 Features
  • Superior Upgrade for MAX690–MAX695
  • Specified Over Temperature
  • Low Power Consumption (5 mW)
  • Precision Voltage Monitor
  • Reset Assertion Down to 1 V VCC
  • Low Switch On-Resistance 1.5 O Normal, 20 O in Backup
  • High Current Drive (100 mA)
  • Watchdog Timer—100 ms, 1.6 s,
    or Adjustable
  • 600 nA Standby Current
  • Automatic Battery Backup
    Power Switching
  • Extremely Fast Gating
    of Chip Enable Signals (5 ns)
  • Voltage Monitor for Power Fail
 

 

 
Price, Packaging, and AvailabilityPrint Table
ADM691 Model Options
Model Status Package Pins Temp
Range		 Price*
(100-499)		 Available RoHS Compliant Samples
Cart		 Purchase
Cart
ADM691AN Prodn 16 ld PDIP 16 Ind $3.47 10/10/2008N
Material
Declaration		 Contact ADIAdd to Cart
ADM691ANZ Prodn 16 ld PDIP 16 Ind $3.16 10/10/2008Y
Material
Declaration		 Contact ADIAdd to Cart
ADM691AQ Prodn 16 ld CerDIP 16 Ind $6.13 - N
Material
Declaration		 Contact ADIAdd to Cart
ADM691AR Prodn 16 ld SOIC - Wide 16 Ind $3.70 10/10/2008N
Material
Declaration		 Contact ADIAdd to Cart
ADM691AR-REEL Prodn 16 ld SOIC - Wide 16 Ind - 10/10/2008N
Material
Declaration		 Contact ADIAdd to Cart
ADM691AR-REEL7 Prodn 16 ld SOIC - Wide 16 Ind - - N
Material
Declaration		 Contact ADIAdd to Cart
ADM691ARZ Prodn 16 ld SOIC - Wide 16 Comm $3.37 - Y
Material
Declaration		 Contact ADIAdd to Cart
ADM691ARZ-REEL Prodn 16 ld SOIC - Wide 16 Comm - 1/30/2009Y
Material
Declaration		 Contact ADIAdd to Cart
ADM691ARZ-REEL7 Prodn 16 ld SOIC - Wide 16 Comm - 2/20/2009Y
Material
Declaration		 Contact ADIAdd to Cart
ADM691SQ Prodn 16 ld CerDIP 16 Mil $7.05 10/10/2008N
Material
Declaration		 Contact ADIAdd to Cart
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. View Samples Cart View Purchase Cart
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Part#Reset Threshold SummaryMin Reset Timeout (ms)Reset Output-StageBackup-Battery SwitchChip Enable GatingTyp Watchdog Timeout (ms)PackagePrice* (1000 pcs.)
ADM8024.4V & 4.65V140Active-Low/Push-PullYes---1,600DIP; SOIC$2.23
ADM8054.4V & 4.65V140Active-High/Push-PullYes---1,600DIP; SOIC$2.23
ADM86971.3V35 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullNoYes100; 1,600; adj.DIP; SOIC; SOP$2.72
ADM6904.65V35Active-Low/Push-PullYes---100; 1,600DIP$2.42
ADM6971.3V (Adjustable)35Active-High/Push-Pull; Active-Low/Push-PullNoYes100; 1,600; adj.DIP; SOIC$2.63
ADM690A4.65V140Active-Low/Push-PullYes---1,600DIP; SOIC; SOP$1.52
ADM692A4.4V140Active-Low/Push-PullYes---1,600DIP; SOIC$1.68
ADM6914.65V35 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC$2.73
ADM693A4.4V140 (Adjustable)Active-High/Open-Drain; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC$1.85
ADM691A4.65V140 (Adjustable)Active-High/Open-Drain; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC; SOP$1.68
ADM86934.4V35 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC; SOP$2.72
ADM6944.65V140Active-Low/Push-PullYes---100; 1,600; adj.DIP$2.53
ADM86961.3V35 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYes---100; 1,600; adj.DIP; SOIC; SOP$2.72
ADM6954.65V140 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC$2.73
ADM6924.4V35Active-Low/Push-PullYes---100; 1,600; adj.DIP$2.42
ADM86924.4V35Active-Low/Push-PullYes---100; 1,600DIP; SOIC$2.72
ADM8004.4V & 4.65V140 (Adjustable)Active-High/Open-Drain; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC$2.33
ADM6961.3V (Adjustable)35Active-High/Push-Pull; Active-Low/Push-PullYes---100; 1,600; adj.DIP; SOIC$2.63
ADM6934.4V35 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC$2.73
ADM86904.65V35Active-Low/Push-PullYes---100; 1,600DIP; SOIC$2.52
ADM86914.65V35 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC; SOP$3.02
ADM86944.65V140Active-Low/Push-PullYes---100; 1,600DIP; SOIC$2.72
ADM86954.65V140 (Adjustable)Active-High/Push-Pull; Active-Low/Push-PullYesYes100; 1,600; adj.DIP; SOIC$2.19

* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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