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Adafruit PCF8591 ADC/DAC
AdafruitN/A
The Adafruit PCF8591 ADC/DAC board provides four 8-bit ADC channels and one 8-bit DAC, with I2C connectivity for up to eight devices on the same bus.
In stock
Specifications
3- Operating Voltage
- 5V or 3.3V (I2C pins are 3.3V and 5V compatible) [default is 5V] [can be changed by VCC input] [see datasheet for details] [not explicitly stated in guide text] [but can be inferred from I2C pin description] V
- Logic Level
- 3.3V and 5V compatible
- Gpio Count
- 4 ADC + 1 DAC
Pinout
9| Pin | Name | Functions | Notes |
|---|---|---|---|
| VCC | VCC | POWER | Power supply |
| GND | GND | GND | Ground |
| SCL | SCL | I2C | I2C clock pin, 3.3V and 5V compatible with a 10K pullup |
| SDA | SDA | I2C | I2C data pin, 3.3V and 5V compatible with a 10K pullup |
| A0 | AIN0 | ADC | Analog input channel 0 |
| A1 | AIN1 | ADC | Analog input channel 1 |
| A2 | AIN2 | ADC | Analog input channel 2 |
| A3 | AIN3 | ADC | Analog input channel 3 |
| Out | DAC Out | PWM | Digital to analog converter output |
Interactive pinout
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