Skip to main content
MCU

SA9312L USB Audio Streaming Controller

Savitech SA9312L USB audio controller supports stereo input/output, PCM up to 32-bit/384 kHz and native or DoP DSD64/128/256. Its 49-pin WLCSP package suits compact USB and Type-C audio accessories.

SA9312L USB Audio Streaming Controller

Overview

SA9312L is a USB audio streaming controller for stereo recording and playback. It provides one I²S input pair, one I²S output pair and an S/PDIF transmit interface.

Features

  • USB 2.0 High-Speed operation and USB Audio Class 1.0/2.0 support.
  • PCM resolution of 16, 24 or 32 bits, with sample rates up to 384 kHz.
  • Native and DoP DSD64/128/256 in asynchronous mode.
  • Independent I²S sample rates and DSD left/right data-line swapping.
  • Fixed DMCLK options of 11.2896, 12, 12.288, 22.5792 and 24.576 MHz.
  • I²C/FWIO control, iAP2 support and a HID interrupt endpoint.
  • Supply range of 1.8–3.3 V and a 49-pin WLCSP package.

Applications

The compact controller targets mobile phone audio accessories, Type-C audio and USB audio devices.

Datasheet and technical support

The PDF covers clocking, pin assignments, electrical characteristics, audio interfaces and the WLCSP outline.

For samples or design support, contact Pawpaw Technology with your required formats, host platform and target device.

Technical Specifications

Control and I/O

I²C, FWIO

Supply range

1.8–3.3 V

PCM sampling rate

Up to 384 kHz

Audio interfaces

I²S, USB, S/PDIF output

Package

49-pin WLCSP

Downloads & Support

Ready to Upgrade Your Audio?

Experience professional sound quality with the SA9312L