The SA9123L is a serial/USB audio codec controller IC (assumed from the part name). This guide assumes you need a device driver or integration for embedded Linux and for Windows; if you need a different OS or board, say so.
Outputs: One IEC60958 S/PDIF transmit output and support for I2S digital output. sa9123l driver
Test Setup:
An interesting article from HiFi-Audio.ru highlights that the chip utilizes Savitech's proprietary Bravo Tech. SA9123L Driver — Quick Guide What it is
Unlike newer XMOS (which does DSD256/512 natively), the SA9123L only does DoP (DSD over PCM). That means DSD128 maximum, and it wastes bandwidth. If you’re a DSD purist, look elsewhere. Connect motor leads to the OUTA/OUTB pins (or
USB Port Power: Ensure the device is connected to a high-power USB port (USB 2.0 or higher), as high-res audio streaming can be power-intensive.
USB-to-Optical Converters: Often found in small boards like the Nvarcher SA9123L for connecting PCs to high-end legacy DACs. Desktop Headphone Amps: Integrated into units like the FX-Audio DAC-X6 Go to product viewer dialog for this item. alongside other chips like the CS4398 DAC Go to product viewer dialog for this item. to provide a complete audio solution. SA9123L USB Audio Streaming Controller