1. Products
  2. Power Management
  3. Battery Management
  4. Battery Backup IC
  5. MAX704R


Features and Benefits

  • Active-Low RESET and RESET Outputs
  • Manual Reset Input
  • Precision Supply-Voltage Monitor
  • 200ms Reset Time Delay
  • Watchdog Timer (1.6sec timeout)
  • Battery-Backup Power Switching-Battery Can Exceed VCC in Normal Operation
  • 40µA VCC Supply Current
  • 1µA Battery Supply Current
  • Voltage Monitor for Power-Fail or Low-Battery Warning
  • Guaranteed Active-Low RESET Assertion to VCC = 1V
  • 8-Pin DIP and SO Packages

Product Details

These microprocessor (µP) supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery-control functions in µP systems. They significantly improve system reliability and accuracy compared to separate ICs or discrete components.

These devices are designed for use in systems powered by 3.0V or 3.3V supplies. See the selector guide in the back of this data sheet for similar devices designed for 5V systems. The suffixes denote different reset threshold voltages: 3.075V (T), 2.925V (S), and 2.625V (R) (see Reset Threshold section in the Detailed Description). All these parts are available in 8-pin DIP and SO packages. Functions offered in this series are as follows:

Part Active-Low Reset Active-High Reset Watchdog Input Manual Reset Input Backup-Battery Switch Power-Fail Threshold Accuracy Power-Fail Comparator Reset Window
MAX690     ±4% ±75mV
MAX704     ±4% ±75mV
MAX802     ±2% ±2%
MAX804     ±2% ±2%
MAX805     ±4% ±75mV
MAX806     ±2% ±2%


  • Battery-Powered Computers/Controllers
  • Critical µP Monitoring
  • Embedded Controllers
  • Intelligent Instruments
  • Portable Equipment

Product Categories

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Product Recommendations

MAX704R Companion Parts

Recommended Related Parts

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX704RCSA+ Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
MAX704RCSA+T Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
MAX704RESA+ Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
MAX704RESA+T Material Declaration Reliability Data Small-Outline IC, Narrow (0.15in)
Wafer Fabrication Data MAX704R Reliability Data

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Sample & Buy

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Buy Now Pricing

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List Pricing

(*)The 1Ku 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. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

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