MCP4725A0T-E/CH 12-Bit Digital-to-Analog Converter with EEPROM (I2C, SOT-23-6)

Generate pure, precise analog voltages from your digital microcontroller with the MCP4725A0T-E/CH 12-bit Digital-to-Analog Converter (DAC). While many microcontrollers rely on noisy Pulse Width Modulation (PWM) to fake an analog output, this dedicated IC provides a true, clean analog voltage signal. It is an essential component for audio processing, generating custom control voltages (CV) for analog synthesizers, fine-tuning motor controllers, or simulating analog sensor outputs in your DIY robotics projects.

A major standout feature of the MCP4725 is its integrated non-volatile EEPROM memory. This allows you to store the DAC configuration and output values directly on the chip, meaning it will automatically power up to your pre-set voltage state the moment it turns on—even before the main microcontroller finishes booting! Communicating over a simple 2-wire I2C interface and housed in a tiny SOT-23-6 package, it is incredibly easy to integrate into compact, space-constrained electronic designs.

Key Features:

• True Analog Output: 12-bit resolution provides 4096 distinct voltage steps, offering vastly superior precision and signal clarity compared to standard PWM filtering.

• Built-in EEPROM: Stores the desired output state in non-volatile memory, allowing the chip to immediately recall and output a specific voltage upon power-up.

• Easy I2C Interface: Connects using just two wires (SDA/SCL) with support for Standard (100 kbps), Fast (400 kbps), and High-Speed (3.4 Mbps) I2C modes.

• Low Power Consumption: Ideal for battery-powered drones and portable IoT devices, with a typical operating current of just 210 µA.

Specifications:

• Part Number: MCP4725A0T-E/CH

• IC Type: Digital-to-Analog Converter (DAC)

• Resolution: 12-Bit

• Interface: I2C (Address A0 variant)

• Operating Voltage: 2.7V to 5.5V

• Package Type: SOT-23-6 (SMD/SMT)