ADA5870 · AdafruitActive
Adafruit product #5870 — built on MCP3421. Interfaces: I2C.
| Part number | ADA5870 |
|---|---|
| Manufacturer | Adafruit |
| Category | Interface & Expansion › ADC & DAC Modules |
| Pins | 8 |
| Resolution | 18 bit |
Adafruit MCP3421 18-Bit ADC - STEMMA QT / Qwiic pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VIN+ | bidirectional | |
| 2 | VIN- | bidirectional | |
| 3 | VCC | power | |
| 4 | GND | ground | |
| 5 | SCL | bidirectional | |
| 6 | SDA | bidirectional | |
| 7 | VIN+ | bidirectional | |
| 8 | VIN- | bidirectional |
Schematic symbol and footprint
Schematic symbol
Footprint: Adafruit MCP3421 18-Bit ADC (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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