Boardoza GP8403 DAC Board Breakout Board
The Boardoza GP8403 DAC Board is a high-precision, dual-channel digital-to-analog converter (DAC) breakout board designed for applications that require accurate analog voltage generation from digital signals. Based on the GP8403, the board provides two independent 12-bit analog output channels controlled through the I²C communication interface.With selectable 0–5 V and 0–10 V output ranges, this breakout board is ideal for industrial automation, signal generation, lighting control, motor control, programmable analog outputs, PLC interfacing, laboratory equipment, and other embedded systems that require reliable analog voltage outputs.
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Key Features
- GP8403-Based DAC: Dual independent analog output channels.
- 12-Bit Resolution: Smooth and accurate voltage generation with 4096 output levels.
- Wide Input Supply Voltage Range: Accepts 3.3VDC to 12VDC input through the onboard voltage regulator.
- Selectable Output Range: Supports both 0–5V and 0–10V analog outputs.
- I²C Communication: Easy integration with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers.
- Multi-Device Support: Supports up to 8 configurable I²C addresses on the same bus.
- Protected Outputs: Built-in short-circuit protection improves reliability.
- Industrial Ready: Suitable for automation, process control, and analog interfacing applications.
Technical Specifications
- Model
- GP8403
- Manufacturer
- Boardoza
- Manufacturer IC
- Shenzhen Keyi Electronics
- Functions
- Dual-channel Digital-to-Analog Converter (DAC)
- DAC Resolution
- 12-bit
- Communication Interface
- I²C
- Supply Voltage
- 3.3VDC – 12VDC
- Output Voltage
- Selectable 0–5V / 0–10V by register
- Maximum Output Current
- Up to 20mA per channel
- Output Voltage Accuracy
- ±0.5% (typical)
- Supported I²C Devices
- Up to 8 on a single bus
- Operating Temperature
- -40°C to +85°C
- Board Dimensions
- 40mm × 20mm
Board Pinout
( J1 ) I²C Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | Power Supply (3.3VDC–12VDC) |
| 2 | SCLK | I²C Serial Clock |
| 3 | SDA | I²C Serial Data |
| 4 | GND | Ground |
( J2 ) Analog Output Connector
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | OUT0 | Analog Voltage Output Channel 0 |
| 2 | GND | Ground |
| 3 | OUT1 | Analog Voltage Output Channel 1 |
Datasheet
Download (PDF)Support
For technical questions, documentation and issue reports, use the GitHub repository or write to us directly.