MAX731CWE+ Encyclopedia Entry
Product Overview
Category
The MAX731CWE+ belongs to the category of integrated circuits (ICs) and falls under the subcategory of digital I/O expanders.
Use
This product is used to expand the number of input/output (I/O) ports available to a microcontroller or microprocessor, allowing for increased connectivity and control options in electronic systems.
Characteristics
- Package: The MAX731CWE+ comes in a 16-pin wide SO package.
- Essence: It serves as an I2C-interfaced I/O expander with an 8-bit remote bidirectional I/O port.
- Packaging/Quantity: The MAX731CWE+ is typically available in tape and reel packaging with a quantity of 2500 units per reel.
Specifications
- Supply Voltage: 2.5V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- I2C Bus Compatibility: Standard (100kHz) and Fast (400kHz) modes
Detailed Pin Configuration
The MAX731CWE+ features a 16-pin configuration, including power supply pins, I2C communication pins, and the bidirectional I/O port.
Functional Features
- I2C Interface: Allows for easy integration with microcontrollers and other devices.
- Bidirectional I/O Port: Provides flexibility for both input and output operations.
- Interrupt Output: Supports interrupt functionality for efficient event-driven processing.
Advantages and Disadvantages
Advantages
- Simplifies I/O expansion in embedded systems.
- Low power consumption.
- Wide operating voltage range.
Disadvantages
- Limited number of I/O ports compared to some alternative models.
- May require additional components for certain applications.
Working Principles
The MAX731CWE+ operates by receiving commands and data through the I2C interface, enabling the control and monitoring of the bidirectional I/O port based on the requirements of the connected system.
Detailed Application Field Plans
The MAX731CWE+ finds application in various fields such as: - Home automation systems - Industrial control systems - Consumer electronics - Internet of Things (IoT) devices
Detailed and Complete Alternative Models
Some alternative models to the MAX731CWE+ include: - MCP23017 - PCF8574 - SX1509
In summary, the MAX731CWE+ offers a compact and versatile solution for expanding I/O capabilities in electronic systems, making it well-suited for a wide range of applications.
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What is the MAX731CWE+?
- The MAX731CWE+ is a serial-interfaced, I2C-compatible 16-bit I/O expander for microcontroller-based applications.
What is the supply voltage range for MAX731CWE+?
- The supply voltage range for MAX731CWE+ is 2.3V to 5.5V.
How many I/O ports does MAX731CWE+ have?
- MAX731CWE+ has 16 I/O ports.
What is the maximum sink current per I/O port of MAX731CWE+?
- The maximum sink current per I/O port of MAX731CWE+ is 25mA.
Can MAX731CWE+ be used with both 3.3V and 5V microcontrollers?
- Yes, MAX731CWE+ can be used with both 3.3V and 5V microcontrollers due to its wide supply voltage range.
Is there a way to address multiple MAX731CWE+ devices on the same I2C bus?
- Yes, MAX731CWE+ supports a programmable I2C address, allowing multiple devices to be addressed on the same bus.
What are the typical applications of MAX731CWE+?
- Typical applications of MAX731CWE+ include LED displays, pushbutton/keypad interfaces, and general-purpose I/O expansion for microcontrollers.
Does MAX731CWE+ have built-in ESD protection?
- Yes, MAX731CWE+ has built-in ESD protection on all I/O pins.
What is the operating temperature range for MAX731CWE+?
- The operating temperature range for MAX731CWE+ is -40°C to +85°C.
Can MAX731CWE+ be used in automotive applications?
- Yes, MAX731CWE+ is suitable for automotive applications due to its wide supply voltage range and robust design.
These questions and answers cover various aspects of the MAX731CWE+ and its application in technical solutions. If you need more specific information or have further questions, feel free to ask!