NAU7802 is a precision low-power 24-bit analog-to-digital converter (ADC). It has two different outputs available. Communication is provided via the I2C protocol.
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| Item | NAU7802 |
|---|---|
| Voltage Supply | 2.7V – 5.5V |
| Supply Current | 2mA |
| Functions | 24-Bit Dual-Channel ADC For Bridge Sensors |
| Communication | I2C(Default Address 0x54) |
| Channel | 2 Input Channels |
| Operating Temperature | -40°C to 85°C |
| Board Dimensions | 20 x 40 mm |
| (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 |
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