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MCP4725A3T-E/CH

MCHPMCP4725A3T-E/CH

Microchip Technology
Digital to Analog Converters - DAC Sngl 12-B NV DAC w/ I2C interface
3,282 in stock

Overview

The MCP4725 is a single-channel, 12-bit buffered voltage output Digital-to-Analog Converter (DAC) with non-volatile memory (EEPROM). It communicates via a two-wire I2C-compatible serial interface and operates from a single 2.7V to 5.5V supply. The integrated EEPROM allows the device to store DAC register settings, ensuring the output powers up to a known state even after a power cycle.

Why Choose This Part

The inclusion of on-board EEPROM simplifies system design by retaining configuration through power losses without requiring constant microcontroller intervention. Its small SOT-23-6 package and low power consumption make it ideal for space-constrained and power-sensitive applications.

Applications

Sensor Calibration
Fine-tuning offset and gain for analog sensor signal conditioning circuits.
Set Point Control
Providing precise reference voltages for motor controllers or power supply regulation loops.
Closed-Loop Servo Control
Generating analog control signals in low-speed positioning systems.
Portable Instrumentation
Low-power digital-to-analog conversion in battery-operated handheld devices.

Getting Started

Interface the device with any I2C-capable microcontroller like an Arduino or PIC. Ensure the A0 address bit is tied to VDD or VSS to match the target I2C address, and use pull-up resistors on the SDA and SCL lines. For rapid prototyping, many third-party breakout boards are available to adapt the SOT-23 package to breadboard-friendly headers.

MCP4725 Family

Part NumberDifferenceStock
MCP4725A0T-E/CH 0T-E/CH 27,335
MCP4725A2T-E/CH 2T-E/CH 3,235
MCP4725EV EV 3
Also available as: MCP4725

Also Consider

MCP4725A0T-E/CH MCHPMicrochip Technology - Identical functionality but with a different I2C address suffix to allow multiple DACs on the same bus.
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