ADA4648 · AdafruitActive
Adafruit product #4648 — built on PCF8591. Interfaces: I2C.
| Part number | ADA4648 |
|---|---|
| Manufacturer | Adafruit |
| Category | Interface & Expansion › ADC & DAC Modules |
| Pins | 12 |
| Resolution | 8 bit |
Adafruit PCF8591 Quad 8-bit ADC + 8-bit DAC - STEMMA QT / Qwiic pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC | power | |
| 2 | AOUT | bidirectional | |
| 3 | AIN3 | bidirectional | |
| 4 | AIN2 | bidirectional | |
| 5 | AIN1 | bidirectional | |
| 6 | AIN0 | bidirectional | |
| 7 | GND | ground | |
| 8 | VCC | power | |
| 9 | GND | ground | |
| 10 | SCL | bidirectional | |
| 11 | SDA | bidirectional | |
| 12 | OSC | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit PCF8591 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
Related parts
MCP4725 Breakout Board - 12-Bit DAC with I2C InterfaceADA935
SparkFun Qwiic 12 Bit ADC - 4 Channel (ADS1015)DEV-15334
Adafruit AD5693R Breakout Board - 16-Bit DAC with I2C InterfaceADA5811
Adafruit ADS122C04 24-Bit ADC - 4 Channel 2-kSPSADA6432
Adafruit ADS7830 8-Channel 8-Bit ADC with I2CADA5836
Adafruit DAC7578 Breakout - 8 x Channel 12-bit I2C DACADA6223
Adafruit GP8403 Breakout Board I2C DAC with 12V Booster + NVMADA6516
Adafruit MCP3421 18-Bit ADC - STEMMA QT / QwiicADA5870