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.
The ADM8696/ADM8697 are available in 16-pin DIP and small outline packages (including TSSOP) and provide the following functions:
Feature
- Upgrade for ADM696/ADM697
- 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
