Texas Instruments

TCA9803DGKR

The TCA9803DGKR is a 3-Channel 12-bit I2C GPIO Expander from Texas Instruments. It is a digital input/output device that can be used to expand the number of I/O pins available on a microcontroller or other system.

Description:

The TCA9803DGKR is a 3-channel, 12-bit I2C GPIO expander that provides a flexible and easy-to-use interface for controlling and monitoring digital signals. It features three independent channels, each with four GPIO pins, for a total of 12 GPIO pins. The device is controlled via the I2C bus, which allows it to be easily interfaced with a microcontroller or other I2C-capable system.

Features:

• 3-Channel, 12-bit I2C GPIO Expander
• Independent channels for flexible pin configuration
• 4 GPIO pins per channel for a total of 12 GPIO pins
• Controlled via the I2C bus for easy interfacing with a microcontroller or other I2C-capable system
• Supports I2C clock speeds up to 1 MHz
• 1.71 to 5.5V supply voltage range
• Small package size (WSON-8)

Applications:

The TCA9803DGKR is well suited for a variety of applications where digital signal control and monitoring are required. Some examples include:

• Industrial control systems
• Home automation systems
• Robotics
• IoT devices
• Wearable devices
• Security systems
• Medical equipment
• Test and measurement equipment

Overall, the TCA9803DGKR is a versatile and easy-to-use I2C GPIO expander that can be used to expand the number of digital I/O pins available on a microcontroller or other system. Its small package size and wide supply voltage range make it well suited for a variety of applications.