The MAX7311AUG+T is an integrated circuit (IC) component designed specifically for general-purpose input/output (GPIO) expansion applications. It is manufactured by Maxim Integrated and offers a range of key features that make it a versatile choice for a variety of electronic systems.
One of the main features of the MAX7311AUG+T is its ability to expand the number of GPIO pins available to a microcontroller or other digital device. It provides up to 16 GPIOs, which can be easily controlled using a standard 2-wire interface (I²C-compatible). This allows designers to connect multiple devices and peripherals to a single microcontroller, thereby conserving valuable pins and simplifying system design.
In addition to its GPIO expansion capabilities, the MAX7311AUG+T offers a variety of programmable features to enhance functionality. It provides individual programmability for each I/O pin, enabling the configuration of input or output states, as well as pull-up, polarity inversion, and open-drain settings. This flexibility allows for customization based on specific application requirements.
Furthermore, the MAX7311AUG+T includes several built-in protection features that enhance reliability and robustness. It incorporates ±15kV human body model (HBM) electrostatic discharge (ESD) protection on all pins, safeguarding the IC and connected devices against ESD-induced damage. Additionally, an innovative hot-insertion feature allows for functional integrity during power-up and power-down sequences.
The MAX7311AUG+T operates from a wide supply voltage range, from 2.3V to 5.5V, making it compatible with a broad range of power sources. It also provides a low standby current, enabling power-efficient operation in battery-powered applications. Moreover, the IC is available in a space-saving, thermally enhanced 24-pin TSSOP (thin shrink small outline package), which allows for compact PCB design.
Overall, the MAX7311AUG+T is a highly efficient and versatile GPIO expansion IC. With its numerous programmable features, robust protection mechanisms, and broad supply voltage range, it is an ideal choice for various applications requiring enhanced I/O capabilities.
