The Boardoza NAU7802 is a high-resolution, dual-channel 24-bit analog-to-digital converter breakout board specifically designed for weight, pressure, and load cell sensor applications. It integrates the NAU7802 ADC from Nuvoton, known for its low-noise performance, dual differential input channels, and compact design.
This board is ideal for use in digital scales, pressure transducers, and any system where precise analog signal acquisition is essential. With I²C communication, it easily interfaces with microcontrollers and embedded systems, enabling flexible and fast integration.
| Front Side | Back Side |
|---|---|
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- 24-bit ADC Resolution: Delivers high-accuracy digital conversion for precise sensor readings.
- Dual Differential Inputs: Supports two full differential sensor channels, ideal for load cells.
- Integrated Low-Noise Amplifier: Ensures signal integrity and stable readings in noisy environments.
- Selectable Output Rates: Allows trade-off between measurement speed and precision.
- Simple I²C Interface: Enables easy integration with a wide range of microcontrollers.
Model: Nuvoton NAU7802
Input Voltage: 2.7V – 5.5V
Supply Current: 2mA
Functions: 24-bit ADC for bridge sensor applications
ADC Resolution: 24-bit
Channels: 2 Differential Input Channels
Interface: I²C
Operating Temperature: -40°C ~ +85°C
Board Dimensions: 20mm x 40mm
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | WHT | - Signal |
| 2 | GRN | + Signal |
| 3 | BLK | - Excitation |
| 4 | RED | + Excitation |
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | GND | Ground |
| 2 | SDA | I²C Serial Data |
| 3 | SCL | I²C Serial Clock |
| 4 | 3.3V | Positive Power Supply |
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VDDA | Analog Power Supply |
| 2 | INT | Interrupt Output Pin |
| 3 | GND | Ground |
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | GRN | + Signal |
| 2 | WHT | - Signal |
| 3 | BLK | - Excitation |
| 4 | RED | + Excitation |
Boardoza NAU7802 Datasheet.pdf
- V1.0.0 - Initial Release
- If you have any questions or need support, please contact [email protected]
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