Description
a Microprocessor Supervisory Circuits ADM690A/ADM692A/ADM802L/M/ADM805L/M FUNCTIONAL BLOCK DIAGRAM VBATT BATTERY SWITCHOVER VCC VOUT .
The ADM690A/ADM692A/ADM802L/M/ADM805L/M family of supervisory circuits offers complete single chip solutions for power supply monitoring and battery.
Features
* Precision Supply Voltage Monitor 4.65 V ADM690A/ADM802L/ADM805L 4.40 V ADM692A/ADM802M/ADM805M Reset Assertion Down to 1 V V CC Reset Timeout
* 200 ms Watchdog Timer
* 1.6 s 100 A Quiescent Supply Current Automatic Battery Backup Power Switching Voltage Monitor for Power Fail ؎ 2% Powe
Applications
* Microprocessor Systems Computers Controllers Intelligent Instruments
4.65V
* RESET GENERATOR
RESET (RESET)
WATCHDOG INPUT (WDI)
WATCHDOG TRANSITION DETECTOR (1.6s)
POWER FAIL INPUT (PFI) 1.25V
ADM690A ADM692A ADM802L ADM802M ADM805L ADM805M
POWER FAIL OUTPUT (PFO)
* 4.4V FOR ADM692A/AD