7Semi Nano ATmega328P Board With Header, USB-C CH340

The 7Semi MCP4728 Quad DAC Module is a compact breakout board featuring the MCP4728 digital-to-analog converter. It provides four independent 12-bit DAC outputs with onboard EEPROM to store output values and configuration. The module uses the I²C interface for communication, making it ideal for applications that require multiple precise analog voltage outputs such as instrumentation, automation, waveform generation, and embedded control systems.

Technical Specification:

• DAC Channels: 4 (A, B, C, D)
• Resolution: 12-bit per channel
• Operating Voltage: 2.7 V to 5.5 V
• Interface: I²C (up to 400 kHz Fast Mode)
• Memory: EEPROM for non-volatile storage
• Reference Options: Internal 2.048 V reference or VDD reference
• Gain Options: Selectable gain per channel
• Control Pins: LDAC (sync updates), RDY (status)
• Quiescent Current: < 400 µA typical
• Module Size: ~16 mm × 14 mm
• Output Type: Rail-to-rail voltage output

Features:

• Four independent DAC outputs
• Non-volatile memory stores outputs after power-off
• Internal and external reference voltage options
• Synchronized update capability via LDAC
• Low-power operation suitable for portable devices
• Easy I²C integration with microcontrollers
• Compact and ready-to-use module
• Ideal for precision analog signal generation

Applications:

• Multi-channel analog waveform generation
• Programmable voltage sources
• Test and measurement equipment
• Audio signal control and synthesis
• Industrial automation and control loops
• Calibration and sensor simulation
• Embedded systems needing multiple analog outputs