ON Semiconductor MAX809SN232T1G Product Overview

The MAX809SN232T1G is a microprocessor (μP) supervisory circuit designed by ON Semiconductor to monitor power supplies in digital systems. It provides a significant function by ensuring that the μP and its peripherals are reset properly during power-up, power-down, and brown-out conditions. This supervisory circuit is an essential component for maintaining system integrity and preventing potential issues caused by unstable or inadequate power supplies.

Key Features

• Precision Monitoring: The device features a precision voltage monitor that keeps a close eye on the system's power supply levels.
• Low Power Consumption: Designed for energy efficiency, the MAX809SN232T1G consumes very low power, making it suitable for battery-operated applications.
• Reset Signal: It outputs a reset signal to the μP during power-up, power-down, and brown-out conditions, ensuring that the system restarts in a known state.
• Manual Reset: A manual reset feature is also available, allowing for a reset to be triggered by external factors or user intervention.
• Compact SOT-23 Packaging: The device comes in a small SOT-23 package, which is ideal for space-constrained applications.

Applications

The MAX809SN232T1G is versatile and can be used in a wide array of applications, including:

• Microprocessor systems
• Computers
• Controllers
• Intelligent instruments
• Portable/Battery-powered equipment

Technical Specifications

The technical specifications of the MAX809SN232T1G include:

• Voltage Threshold: 2.32V
• Operating Temperature Range: -40°C to +105°C
• Reset Timeout: 140 ms minimum
• Supply Current: 20 μA (typical)
• Package: SOT-23

ON Semiconductor's commitment to quality ensures that the MAX809SN232T1G supervisory circuit is reliable and performs consistently across various conditions. With its precision voltage monitoring and low power consumption, it is an ideal choice for ensuring the proper functioning of μP-based systems.