The NAU7802 24-bit Dual-Channel ADC Breakout Board is designed for high-precision weight and pressure measurements. At its core is the NAU7802, a highly integrated analog-to-digital converter with an onboard low-noise amplifier, making it perfect for load cell applications. The board supports I2C communication and provides two differential input channels, enabling precise data acquisition in projects requiring accurate sensor readings, such as digital scales and pressure monitoring systems.
| Front Side | Back Side |
|---|---|
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- 24-bit ADC resolution for high-precision measurements.
- Dual differential input channels for flexible sensor integration.
- Low noise performance for stable and reliable readings.
- Selectable data output rates for high-speed or high-accuracy operation.
- Simple I2C interface for easy connection with MCUs.
Input Voltage: 2.7V or 5.5V
Supply Current 2mA
Functions: 24-Bit Dual-Channel ADC For Bridge Sensors
ADC Resolution: 24-bit
Interface: I2C
Channel 2 Input Channel
Operating Temperature: -40°C ~ +85°C
Board Dimensions: 20mm x 40mm
| J1 Pin Number | Pin Name | Description |
|---|---|---|
| 1 | WHT | - Signal |
| 2 | GRN | + Signal |
| 3 | BLK | - Excitation |
| 4 | RED | + Excitation |
| J2 Pin Number | Pin Name | Description |
|---|---|---|
| 1 | GND | Negative Power Supply |
| 2 | SDA | I2C Serial Data |
| 3 | SCL | I2C Serial Clock Input |
| 4 | 3.3V | Positive Power Supply |
| J3 Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VDDA | Analog Power Supply |
| 2 | INT | Interrupt Pin |
| 3 | GND | Negative Power Supply |
| J4 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 support@boardoza.com
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