ADM809MARTZ-REEL7

ADM809 is a supervisory circuit that monitor the power supply voltage in microprocessor systems. They provide a reset output during power-up, power-down, and brownout conditions. On power-up, an internal timer holds reset asserted for 240ms. This holds the microprocessor in a reset state until conditions have stabilized. The reset comparator features built-in glitch immunity, making it immune to fast transients on VCC. It is widely used in application such as microprocessor systems computers, controllers, intelligent instruments etc.

• Specified over temperature
• Low power consumption is 17μA
• Operating voltage range is 1.0V to 5.5V
• Reset assertion down to 1V VCC
• Power-on reset is 140ms minimum
• Push-pull RESET output
• Reset threshold temperature coefficient is 30ppm/°C
• Supply current is 24μA typ
• Reset threshold is 4.38V
• Operating temperature is −40°C to +125°C, packaging style is 3-lead SOT-23

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