Adafruit PCM5122 I2S DAC with Line Level Output
I2S stereo DAC breakout based on the PCM5122, with line-level 3.5 mm and pad outputs, hardware-mode default with optional I2C or SPI control, 3–5 V power, and 3.3 V logic.
Pinout
- VINType · Power
- GNDType · Ground
- WSELType · USB
- DINType · Signal
- BCKType · Signal
- MCKType · GPIO
- 3.5 mm output jackType · GPIO
- LR audio output padsType · GPIO
- DEEMType · Control
- FILTType · Control
- FMTType · Control
- AGNType · Control
- ATT0ATT1ATT2Type · Control
- MUTEType · Control
- SDAType · I2C
- SCLType · I2C
- A1Type · Analog
- A2Type · Analog
- MOD1MOD2Type · Control
- STEMMA QT connectorsType · I2C
- CLK Dir Set jumperType · Unknown
| Pin | Type |
|---|---|
| VIN | Power |
| GND | Ground |
| WSEL | USB |
| DIN | Signal |
| BCK | Signal |
| MCK | GPIO |
| 3.5 mm output jack | GPIO |
| LR audio output pads | GPIO |
| DEEM | Control |
| FILT | Control |
| FMT | Control |
| AGN | Control |
| ATT0ATT1ATT2 | Control |
| MUTE | Control |
| SDA | I2C |
| SCL | I2C |
| A1 | Analog |
| A2 | Analog |
| MOD1MOD2 | Control |
| STEMMA QT connectors | I2C |
| CLK Dir Set jumper | Unknown |
Pin details
21 connections- VINPower
- GNDGround
- WSELUSB
- DINSignal
- BCKSignal
- MCKGPIO
- 3.5 mm output jackGPIO
- LR audio output padsGPIO
- DEEMControl
- FILTControl
- FMTControl
- AGNControl
- ATT0ATT1ATT2Control
- MUTEControl
- SDAI2C
- SCLI2C
- A1Analog
- A2Analog
- MOD1MOD2Control
- STEMMA QT connectorsI2C
- CLK Dir Set jumperUnknown
Start wiring
UART · I2S · Module
Confirm the data interface matches your host board.
Module pins: VIN, GND, DIN, SDA, SCL. Schematik maps them to your board in the app.
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