ADM805M - Analog Devices

ADM805M Microprocessor Supervisory Circuits

The ADM690A/ADM692A/ADM802L/M/ADM805L/M 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, and power failure warning. The ADM690A/ADM692A/ADM802L/M/ADM805L/M are available in 8-pi.

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% Power Fail Accuracy on ADM802L/M Space-Saving MicroSOIC Package (ADM690A) 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 AD.