Three Pack MCP4725 I2C DAC 12 Bit Digital To Analog Converter Module Red Board For Prototyping Audio Signal Generation Sensor Calibration Ideal For Arduino Projects And Microcontroller Experiments
✔️ 12-bit resolution, I2C interface, rail-to-rail output, 2.7V to 5.5V
The MCP4725 module is a compact 12-bit DAC that talks over I2C. This three-pack is perfect for quick prototyping, with a 20mm × 15mm red PCB that is breadboard-friendly, and it’s designed for audio signal generation and sensor calibration on Arduino, Raspberry Pi, and STM32 platforms.
✅ 12-bit resolution DAC with 4096-step output and rail-to-rail output from 0V to VDD
✅ I2C interface supports 100kHz, 400kHz, and 3.4MHz modes
✅ Low power: normal mode ~0.4mA; standby ~60nA; EEPROM stores last settings
✅ Wide operating voltage 2.7V to 5.5V and -40°C to 125°C; no external amplifier needed for loads up to 25mA
✅ Address configurable via A0 pin; multi-module parallel connection; pull-up resistors included for SCL and SDA
💡 What is an I2C DAC used for in hobby electronics? This handy guide explains practical uses and setup tips for microcontroller projects. - Converts digital values into precise analog voltages for audio tests, sensor calibration, and reference levels. - Works with Arduino, Raspberry Pi, and STM32 via I2C at various speeds for flexible prototyping. - Improves test repeatability by providing stable, repeatable voltage references in experiments.