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MCP4728T-E/UN

MCHPMCP4728T-E/UN

Microchip Technology
12 Bit Digital to Analog Converter 4 10-MSOP
Active29,312 in stock
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Overview

The MCP4728T-E/UN is a quad-channel, 12-bit voltage output Digital-to-Analog Converter (DAC) featuring nonvolatile EEPROM memory. This allows the device to store configuration bits and DAC register values even when power is removed, ensuring it returns to a known state upon startup. Its integrated precision output amplifier and I2C interface make it a compact solution for multi-channel analog control.

Why Choose This Part

The primary advantage is the integrated EEPROM, which enables custom power-on reset (POR) states for each of the four channels without microcontroller intervention. It features a fast 6us typical settling time and a compact 10-MSOP package, providing high-density analog output in a small PCB footprint.

Applications

Set-Point or Offset Trimming
Ideal for calibration tasks where precision analog levels must be maintained across power cycles using the internal EEPROM.
Sensor Calibration
Used to provide reference voltages or compensation signals in industrial instrumentation circuits.
Closed-Loop Servo Control
The four buffered outputs allow for simultaneous control of multiple actuators or motor drivers.
Programmable Voltage Sources
Acts as a reliable multi-channel voltage reference for power supply regulation and bias adjustment.

Key Specifications

Output Type Voltage - Buffered
Architecture String DAC
INL/DNL (LSB) +/-2, +/-0.2
Mounting Type Surface Mount
Settling Time 6us (Typ)
Data Interface I2C
Number of Bits 12
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Reference Type Internal, Supply
Differential Output No
Operating Temperature -40degC ~ 125degC
Supplier Device Package 10-MSOP
Number of D/A Converters 4
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V

Getting Started

Engineers can interface with the MCP4728T-E/UN using any standard I2C controller operating from 2.7V to 5.5V. To utilize the nonvolatile features, the LDAC pin must be managed correctly according to the command structure to ensure EEPROM write operations are successful. Development can be accelerated using Microchip's PIC-based evaluation boards or generic I2C bridge tools.

MCP4728 Family

Part NumberDifferenceStock
MCP4728-E/UN E/UN 69,704

Also Consider

MCP4725 MCHPMicrochip Technology - A single-channel 12-bit DAC with EEPROM in a smaller SOT-23 package for space-constrained designs.
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