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Nau7802 24 Bit Adc Stemma Qt Qwiic
Adafruit
The Nau7802 ADC breakout board is designed for measuring strain gauges or load cells with a high-resolution 24-bit differential ADC. It supports I2C communication and has additional power and terminal block pins.
In stock
Specifications
2- Operating Voltage
- 3V-5V (logic level of microcontroller)
- Connectivity
- I2C
Pinout
12| Pin | Name | Functions | Notes |
|---|---|---|---|
| VIN | power | POWER | Power pin for the board, should match logic level of microcontroller |
| AV | avdd | POWER | Analog power supply pin, 2.4V to 4.0V range |
| GND | ground | GND | Common ground for power and logic |
| SCL | i2c_clock | I2C | I2C clock pin, 10kΩ pullup on board |
| SDA | i2c_data | I2C | I2C data pin, 10kΩ pullup on board |
| DRDY | data_ready | — | Data Ready Output pin for conversion completion |
| A+ | a_in_1_non_inv | ADC | Non-inverting input 1, differential output from bridge |
| A- | a_in_1_inv | ADC | Inverting input 1, differential output from bridge |
| B+ | a_in_2_non_inv | ADC | Non-inverting input 2 (rev C only), differential output from bridge |
| B- | a_in_2_inv | ADC | Inverting input 2 (rev C only), differential output from bridge |
| E+ | avdd_gen | POWER | Generated voltage for positive reference, configurable 2.4V to 4.0V |
| E- | ground | GND | Common ground |
Interactive pinout
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BOARD
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