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ADM803 - Microprocessor Supervisory Circuits

Download the ADM803 datasheet PDF. This datasheet also covers the ADM809 variant, as both devices belong to the same microprocessor supervisory circuits family and are provided as variant models within a single manufacturer datasheet.

General Description

The ADM803/ADM809/ADM810 supervisory circuits 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 240 ms.

Key Features

  • Specified over temperature Low power consumption: 17 μA Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options Reset assertion down to 1 V VCC 140 ms minimum power-on reset Open-drain RESET output (ADM803) Push-pull RESET output (ADM809) Push-pull RESET output (ADM810) SC70 and SOT-23 packages.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ADM809_AnalogDevices.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Data Sheet Microprocessor Supervisory Circuits in 3-Lead SC70 and SOT-23 ADM803/ADM809/ADM810 FEATURES Specified over temperature Low power consumption: 17 μA Precision voltage monitor: 2.5 V, 3 V, 3.3 V, 5 V options Reset assertion down to 1 V VCC 140 ms minimum power-on reset Open-drain RESET output (ADM803) Push-pull RESET output (ADM809) Push-pull RESET output (ADM810) SC70 and SOT-23 packages APPLICATIONS Microprocessor systems Computers Controllers Intelligent instruments GENERAL DESCRIPTION The ADM803/ADM809/ADM810 supervisory circuits 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 240 ms.