GENERAL DESCRIPTION

The SGM811/SGM812 supervisory circuits monitor the power supply voltage in microprocessor and digital systems. The SGM811/SGM812 is designed to monitor seven different voltages, these voltages have been selected for the effective monitoring of 2.5V, 3 V, 3.3 V, and 5 V supply voltage levels.

FEATURES

− Superior Upgrade for MAX811/MAX812 and ADM811/ADM812

− Specified over Temperature

− Low Power Consumption (17 μA Typ)

− Precision Voltage Monitor: 2.5V,3 V, 3.3 V, 5 V Options

− Reset Assertion Down to 1 V VCC

− 160 ms Min Power-On Reset

Logic Low RESETOutput (SGM811)

Logic High RESET Output (SGM812)

− Manual Reset Input

− Compact 4-Pin SOT143 and 5-Pin SOT23 Packages

APPLICATIONS

Microprocessor Systems

Controllers

Intelligent Instruments

Automotive Systems

Safety Systems

Portable Instruments