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( File format: PDF, 465K )
Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23
Analog Devices Inc.

Description
The ADM823/ADM824/ADM825 are supervisory circuits which monitor power supply voltage levels and code execution integrity in microprocessor-based systems. In addition to providing power-on reset...
Features
Precision 2.5 V to 5 V power supply monitor 7 reset threshold options: 2.19 V to 4.63 V 140 ms (minimum) reset timeout Watchdog timer with 1.6 sec timeout (ADM823, ADM824) Manual reset input (ADM823, ADM825) Push-pull output stages RESET (ADM823) RESET, RESET (ADM824/ADM825) Low power consumption (5 μA) Guaranteed reset output valid to VCC = 1 V Power supply glitch immunity Specified over automotive temperature range 5-lead SC70 and SOT-23 packages




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