Microchip MCP4728A4T-E/UN: A Comprehensive 16-Bit Quad DAC with I²C Interface and On-Board EEPROM

In the realm of digital-to-analog conversion, precision, integration, and non-volatile memory capabilities are paramount for advanced system design. The Microchip MCP4728A4T-E/UN stands out as a sophisticated solution, integrating four 16-bit digital-to-analog converters (DACs) in a single compact package. This device is engineered to deliver high accuracy and flexibility, making it an ideal choice for applications ranging from industrial automation and test equipment to audio processing and programmable voltage sources.

A key feature of the MCP4728 is its 16-bit resolution, ensuring minimal differential non-linearity (DNL) and high output accuracy. Each of the four DAC channels operates independently, providing designers with the ability to generate multiple analog outputs from a single IC. The outputs can be configured to operate in either normal or power-down mode, reducing power consumption in standby states—a critical advantage for battery-powered devices.

The I²C serial interface facilitates seamless communication with microcontrollers and other digital systems, supporting standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes. This enables rapid data transfer and real-time updates to the DAC outputs. Additionally, the MCP4728 includes on-board EEPROM memory, allowing the device to store configuration settings and DAC values indefinitely. Upon power-up, the DAC automatically reloads these stored values, ensuring consistent performance without requiring external intervention.

Each channel features a precision output amplifier with a rail-to-rail output, enhancing dynamic range and signal integrity. The device operates from a single 2.7V to 5.5V supply, accommodating a wide range of system voltages. Its low power consumption and small form factor (MSOP-10 package) further make it suitable for space-constrained and power-sensitive applications.

ICGOODFIND: The MCP4728A4T-E/UN combines high-resolution analog output, multi-channel integration, and non-volatile memory in a single device, offering exceptional value for complex embedded systems.

Keywords:

16-Bit DAC

I²C Interface

On-Board EEPROM

Quad Channel

Low Power Consumption