ADM9690 Datasheet - Analog Devices

ADM9690 Power Supply and Watchdog Timer Monitoring Circuit

The ADM9690 contains a voltage monitoring comparator and a watchdog timer monitor. It is designed to monitor the 5 V power supply to a microprocessor and the microprocessor operation via a watchdog function. The voltage monitoring comparator monitors the voltage on VMON. If it drops outside toleran.

ADM9690 Features

* Precision Voltage Monitor (4.31 V) Watchdog Timeout Monitor Selectable Watchdog Timeout

* 0.75 ms, 1.5 ms, 12.5 ms, 25 ms Two RESET Outputs APPLICATIONS Microprocessor Systems Computers Printers Controllers Intelligent Instruments Power Supply and Watchdog Timer Monitoring Circuit ADM9690 FUN

ADM9690_AnalogDevices.pdf