ADRPM Raspberry Pi Magazine Link High Resolution DAC Expansion Board for Raspberry Pi
A DAC board for Raspberry Pi that lets beginners and advanced users enjoy high-resolution audio!
Product overview
The popular high-resolution DAC board is back with an explanation!
The "Hi-Res DAC Expansion Board," a collaboration product with Raspberry Pi Magazine that received rave reviews upon its release, is back with a web guide! This highly functional expansion board boasts high-quality audio from the PCM5122, a variety of displays using a color TFT display, and remote control support. The software developed for this product in the accompanying article can also be used as is. Enjoy network audio functionality, taking advantage of Raspberry Pi's networking capabilities. Further improve sound quality by installing an external clock board (available as an option). In addition, a new web guide page has been added for the updated product, providing detailed instructions from assembly to operation! Even beginners will be guided through playback. The product is available in two versions: pre-assembled and kit. Whether you want to try out the player right away or enjoy in-depth electronics projects, this board will satisfy your needs. Experience the power of single-board computers with this board, which quickly transforms your Raspberry Pi into a high-performance Hi-Res DAC.
This product is a renewed model of a product created as part of a collaborative project with the April 2018 issue of Raspberry Pi Magazine.
The Mook features more detailed, easy-to-read, and high-quality explanatory articles.
https://info.nikkeibp.co.jp/media/RAS/atcl/mag/062200017/
External system clock option board now on sale!
This is an external system clock board that can fully utilize the capabilities of the ADRPM1801P/K. It uses the Kyocera KC7050K crystal oscillator module, which is highly acclaimed among audiophiles. By combining this board with a high-resolution DAC, it is possible to supply a system clock signal, making it an expansion board that can aim for higher performance and higher sound quality.
Click here for the external clock board circuit diagram . *Soldering is required by the customer to attach the pin socket to the DAC board.
Product Features
A DAC board for Raspberry Pi that lets beginners and advanced users enjoy high-resolution audio
The Raspberry Pi Magazine article provides a sample of player software that can be controlled with an infrared remote control, and also supports external system clock input for advanced users, allowing for further improvements in sound quality and characteristics. *Support for external system clock input requires additional processing by the customer.
Equipped with TI's high-performance high-resolution audio DAC (PCM5122)
Equipped with a high-performance high-resolution audio stereo DAC module (PCM5122) that supports 32-bit, 384kHz PCM, simply plug it into the pin header and your Raspberry Pi will instantly transform into a high-performance high-resolution audio player! *Use with an amplifier unit is recommended. Depending on the impedance specifications of your headphones or earphones, they may not be able to be driven due to their specifications (minimum 1kΩ).
Equipped with a 128 x 160 dot color TFT display
The 28.03 x 35.04 mm color TFT display allows for a variety of displays, including the album cover currently being played.
Names of each part
To use this product, you need general knowledge about electronics and electronic circuits.
(*Raspberry Pi, case, and cables are not included.)
Basic Specifications [Applicable Raspberry Pi] Raspberry Pi Model B+ / Raspberry Pi 2 Model B / Raspberry Pi 3 Model B / Raspberry Pi 3 Model B+ [Audio Data Bit Length] 16/24/32bit [Sampling Frequency] Minimum 8kHz, Maximum 384kHz [Analog Output Voltage] Standard 2.1Vrms [Load Impedance]: Minimum 1kΩ [External Clock Input] x 1 [Display] Color TFT, 128 x 160 dots (screen size 28.03 x 35.04 mm) [Infrared Remote Control Function] Receiver *Remote control not included [Input/Output] PCM GPIO input/output x 4, switch input x 2 Audio connector: φ3.5 stereo mini jack, SD card slot, external system clock input supported (*Support for external system clock input requires additional processing by the customer.) [Power Supply] Powered by Raspberry Pi [Size] W65xH26xD56mm (excluding protrusions) [Weight] Approximately 42g (board only) [Accessories] Includes: 1 PCM5122DAC module, screw set, and warranty card (assembled only). Operating temperature: 0 to 40°C (no condensation). Country of manufacture: Made in Japan. Warranty: 1 year from purchase (assembled only).
High-Resolution Audio DAC Module (PCM5122) Product Specifications
[Audio data bit length] 16/24/32bit
Sampling frequency: Minimum 8kHz, maximum 384kHz
[Number of pins] 28
[Size] W36xH18 (excluding protrusions)
[Weight] Approx. 4g (board only)
[Accessories] 1 warranty card
[Operating temperature] 0 to 40°C (no condensation)
[Country of production] Made in Japan
[Warranty period] 1 year from the date of purchase
*Please refer to the PCM5122 datasheet for detailed IC specifications.
For the module, please see the circuit diagram here! (pdf)