GENERAL DESCRIPTION

The ADM8696/ADM8697 supervisory circuits offer 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.

FEATURES

Upgrade for ADM696/ADM697, MAX696/MAX697

Specified Over Temperature

Adjustable Low Line Voltage Monitor

Power OK/Reset Time Delay

Reset Assertion Down to 1 V VCC

Watchdog Timer—100 ms, 1.6 s, or Adjustable

Low Switch On Resistance

0.7 Ω Normal, 7 Ω in Backup

400 nA Standby Current

Automatic Battery Backup Switching (ADM8696)

Fast On-Board Gating of Chip Enable Signals (ADM8697)

Voltage Monitor for Power Fail or Low Battery Warning

Also Available in TSSOP Package

Qualified for Automotive Applications

APPLICATIONS

Microprocessor Systems

Computers

Controllers

Intelligent Instruments

Automotive Systems

Critical μP Power Monitoring