Analog Devices ADM691 overview
Analog Devices ADM691 Microprocessor Supervisory CircuitsThe ADM690–ADM695 family of supervisory circuits offers complete single chip solutions for power supp...
Manufactured byAnalog Devices
Part number or familyADM691
Product groupMicroprocessor Supervisory Circuit
Product details
Manufactured byAnalog Devices
Product groupMicroprocessor Supervisory Circuit
DescriptionAnalog Devices ADM691 Microprocessor Supervisory CircuitsThe 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 µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection, and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements.
Key FeaturesSuperior 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 V Normal, 20 V 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
ApplicationsMicroprocessor Systems Computers Controllers Intelligent Instruments Automotive Systems
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Analog Devices
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Microprocessor Supervisory Circuit
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