The Go to product viewer dialog for this item. is a high-performance USB audio streaming controller chip produced by Savitech. It is widely used in high-fidelity digital-to-analog converters (DACs), mobile phone audio accessories, and USB-to-SPDIF/I2S interface modules. Technical Specifications According to the SA9123L Datasheet, key features include:
Add your user to the dialout group:
| Chipset | Advantages | Disadvantages | |---------|------------|----------------| | FTDI FT232 | Native drivers on all OS, high reliability | Expensive ($15+) | | Silicon Labs CP2102 | Excellent macOS support, small form factor | Mid-range ($8) | | Prolific PL2303 | Very common | Many clones; driver issues on Windows 11 | | WCH CH340 | Cheap, reliable, same driver as SA9123L | No hardware flow control on some variants | sa9123l driver
Even on modern systems, audiophiles may choose to install a specialized Savitech ASIO driver (often called the The Go to product viewer dialog for this item
Windows 7 & Older: Manual driver installation is mandatory for these legacy systems. Manufacturers like Nvarcher and Hifime provide specific download links for these environments. Implement regmap for I2C or SPI using regmap API
The SA9123L is frequently paired with DAC chips like the Cirrus Logic CS43131 in "dongle" style DACs, such as the JM30, providing a compact solution for high-fidelity mobile listening [4]. Its primary role is to ensure stable, high-bandwidth data transfer, which minimizes jitter and maintains the integrity of the audio signal before it reaches the DAC for conversion [3, 4].