Maxim Integrated MAX6326UR22-T Voltage Supervisor

The MAX6326UR22-T is a precision, low-power microprocessor (µP) supervisory circuit designed by Maxim Integrated to monitor power supplies in digital systems. It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used in systems with a 2.2V power supply voltage.

This supervisory circuit is specifically engineered to maintain system integrity by monitoring the power supply voltage. In the event of a power failure or brownout condition, the MAX6326UR22-T asserts a reset signal to prevent the µP from executing erroneous instructions. This reset signal remains asserted for a minimum of 140ms after V<sub>CC has risen above the reset threshold, ensuring that the µP has sufficient time to stabilize and start up correctly.

The device comes in a compact SOT-23 package, making it ideal for space-constrained applications. Its low supply current of 1µA (typical) makes it suitable for battery-operated equipment. The MAX6326UR22-T operates over a wide temperature range of -40°C to +85°C, which allows for use in various environments and applications.

Key features of the MAX6326UR22-T include:

• Precision factory-set V<sub>CC reset thresholds.
• Low, 1µA supply current, ideal for portable equipment.
• 140ms (min) reset timeout period.
• Immunity to short V<sub>CC transients.
• Wide operating temperature range for versatile use.
• Small SOT-23 packaging for compact designs.

Applications for the MAX6326UR22-T span across various fields that require reliable voltage monitoring, such as portable/battery-powered devices, embedded systems, data storage equipment, computers, and other critical µP and µC systems.

With its precision voltage monitoring and low power consumption, the MAX6326UR22-T from Maxim Integrated is an essential component for designers looking to enhance the reliability and extend the battery life of their digital systems.