The Microchip Technology MCP4728-E/UN is a 12-bit, four-channel voltage-output digital-to-analog converter (DAC) featuring integrated EEPROM and an I²C serial interface. It converts digital control data into analog voltage signals and is suitable for electronic systems requiring multiple programmable voltage outputs.
The device provides four independent buffered voltage outputs and supports selectable internal or external voltage references. With the internal 2.048V reference, the output range can be configured from 0V to 2.048V or from 0V to 4.096V using the corresponding gain setting. With an external reference, the output range can extend from 0V to VDD, depending on the supply and configuration. The integrated EEPROM stores DAC configuration data and I²C address settings, helping the device retain programmed settings across power cycles.
The MCP4728-E/UN operates from a single supply of 2.7V to 5.5V and supports normal and power-down operating modes. With a typical settling time of 6μs, it provides a practical solution for multi-channel analog control. Its compact 10-pin MSOP package supports space-efficient PCB designs.
Key Features:
- Brand: Microchip Technology
- Manufacturer Part Number: MCP4728-E/UN
- Component Type: Digital-to-Analog Converter (DAC)
- Resolution: 12-bit
- Number of Channels: 4
- Output Type: Buffered Voltage Output
- Interface: I²C
- Supply Voltage: 2.7V–5.5V
- Voltage Reference: Selectable Internal or External Reference
- Integrated Memory: Nonvolatile EEPROM
- Typical Settling Time: 6μs
- Package: 10-Pin MSOP (UN)
- Operating Temperature Range: -40°C to +125°C
Before purchasing or integrating this component, consult the official Microchip datasheet to verify reference configuration, output range, I²C communication requirements, and application suitability.
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