MAX7325AEG

Overview

The MAX7325AEG is an I/O expander featuring eight bidirectional ports with interrupt output capability. It operates within a supply voltage range of 1.65 V to 3.6 V and supports I2C serial interface clock frequencies up to 400 kHz. The device functions reliably across an industrial temperature range from -40°C to +85°C. It is housed in a TQFN-EP-16 package, providing thermal grounding for enhanced performance.

Feature Summary

• Provides eight general-purpose bidirectional I/O ports for system expansion
• Includes interrupt output functionality for efficient event monitoring
• Supports standard I2C serial communication protocols

Applications

• Portable electronic devices requiring GPIO expansion
• Industrial control systems needing reliable I/O interfacing
• Consumer electronics utilizing low-voltage power supplies

Procurement Notes

Verify the specific manufacturer designation, as Analog Devices Inc. acquired Maxim Integrated. Confirm the exact suffix matches the required package and temperature grade. Ensure compatibility with existing I2C bus configurations before procurement.

Selection Notes

Select this component when eight bidirectional I/O lines are required with interrupt support. Verify that the operating voltage aligns with the 1.65 V to 3.6 V range. Consider the TQFN-EP-16 package constraints for PCB layout and thermal management requirements.

Part Context

This part belongs to the MAX732x series of I/O expanders. It shares functional similarities with other members like the MAX7324 and MAX7326 but differs in pin count and configuration options. It serves as a solution for expanding microcontroller I/O capabilities in space-constrained designs.

Replacement Considerations

Check for direct pin-compatible alternatives within the same family. Verify electrical specifications match if substituting with similar parts from other manufacturers.