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Dac7578 8 X Channel 12 Bit I2C Dac
AdafruitN/A
The Adafruit DAC7578 is an 8-channel 12-bit I2C DAC with support for 3.3V or 5V power and logic, and can be used with CircuitPython, Python, and Arduino.
In stock
Specifications
3- Operating Voltage
- 3.3V or 5V (power and logic) / 4.095V (reference voltage if Vrf jumper is cut) V
- Logic Level
- 3-5V V
- Gpio Count
- 8 channels
Pinout
9| Pin | Name | Functions | Notes |
|---|---|---|---|
| VCC | VCC | POWER | Power pin |
| VRf | VRf | GND | Reference voltage pin, tied to VCC by default |
| Vrf Jumper | Vrf Jumper | GND | Allows VRf to be disconnected from VCC for custom reference voltages |
| GND | GND | GND | Common ground for power and logic |
| SCL | SCL | I2C | I2C clock pin, 3-5V logic with 10K pullup |
| SDA | SDA | I2C | I2C data pin, 3-5V logic with 10K pullup |
| LDAC | LDAC | GPIO | Load DAC pin for synchronous or asynchronous updates (not working as expected) |
| CLR | CLR | GPIO | Clear pin to reset DAC registers and buffers |
| DAC Output Pins 0-7 | DAC Output Pins 0-7 | PWM | 8-channel 12-bit DAC outputs |
Interactive pinout
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