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- SKU: 07892
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Adafruit PCM5122 I2S DAC Board with Line Level Output - HW, I2C or SPI
The Adafruit PCM5122 I2S DAC Board with Line Level Output is a high-quality stereo digital-to-analog converter designed for converting I2S digital audio into clean analog audio output. It supports hardware, I2C, or SPI control modes, making it highly flexible for projects using Raspberry Pi, ESP32, RP2040, Arduino-compatible boards, and other microcontrollers. The board delivers excellent audio performance with up to 112dB dynamic range and supports 16-bit, 24-bit, and 32-bit audio formats without requiring an external MCLK signal.
Ideal for DIY audio systems, embedded sound applications, internet radios, media players, and smart speaker projects, the PCM5122 DAC offers line-level stereo output through an onboard 3.5mm audio jack and breakout pads. The board supports automatic audio format detection and can operate in standalone hardware mode for quick setup or through I2C/SPI for advanced digital volume control, filtering, mute functions, and EQ adjustments.
Features
- PCM5122 high-performance stereo DAC
- Supports I2S digital audio interface
- Hardware, I2C, and SPI configurable modes
- No external MCLK required
- Stereo line-level analog output
- 3.5mm onboard audio jack
- Supports 16/24/32-bit audio formats
- Up to 112dB dynamic range
- Low THD performance (-93dB)
- Compatible with Raspberry Pi, ESP32, RP2040, Arduino and more
- Configurable gain, mute, de-emphasis, and filters
- 3.3V logic compatible data interface
- Power input range: 3V to 5V DC
Specifications
- DAC Chip: PCM5122
- Audio Interface: I2S
- Control Interface: Hardware / I2C / SPI
- Output Type: Stereo Line-Level
- Output Connector: 3.5mm Audio Jack + Breakout Pads
- Supported Audio Resolution: 16-bit / 24-bit / 32-bit
- Signal-to-Noise Ratio: 112dB
- THD: -93dB
- Logic Level: 3.3V
- Supply Voltage: 3V–5V DC
- Default I2C Address: 0x4C
- Audio Output Load: ≥1KΩ recommended
- Dimensions: 37.6mm x 22.8mm x 6.4mm
Package Includes
- 1xPCM5122 I2S DAC Board with Line Level Output - HW, I2C or SPI
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)


