MCP4725 DAC Module
12-bit single-channel I2C DAC with onboard EEPROM for storing settings. Outputs 0V to VCC analog voltage (0–3.3V when powered at 3.3V). I2C address 0x60 (or 0x61 via ADDR pin). Compatible with 3.3V and 5V systems.
Pinout
- VCC
3.3V supply input
Type · powerVoltage · 3.3 - GND
Ground reference
Type · ground - SDA
I2C data line — connect to ESP32-S3 SDA (shared I2C bus)
Type · i2c - SCL
I2C clock line — connect to ESP32-S3 SCL (shared I2C bus)
Type · i2c - OUT
Analog voltage output 0–VCC (0–3.3V); feed to op-amp scaling stage for 0–10V range
Type · analog - ADDR
I2C address select pin; tie to GND for 0x60, tie to VCC for 0x61
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