USB Audio to I²S Audio Bridges

Our audio bridge solutions are designed to enable rapid development of audio accessories and provide turnkey features including digital audio streaming with a variety of CODECs.

No firmware development is required to use audio bridge solutions – all customization options are selected using a simple GUI configuration tool. These configuration options are then programmed directly into flash memory included in the device. By eliminating the need to develop a USB audio class device with an I2S CODEC interface from scratch, our audio bridge solutions greatly simplify development of audio accessories and shortens time to market.

Package type
QFN32
Package size
5x5 mm

USB Audio Bridge Common Specs

  • Turnkey USB-to-I2S digital audio bridge chip - no firmware development required
  • 24-bit uni-directional or 16-bit bi-directional digital audio streaming
  • Built-in communications channel allows apps to control and interact with accessory hardware
  • Optimized for low power in both active and idle modes
  • High integration reduces BOM cost and PCB footprint - no external crystal or EEPROM required
  • GPIO can be configured for button input, gesture detection, LED output, and accessed remotely from an app or used to control audio playback
  • General purpose serial interface available for custom data flow
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Find the Right USB Audio Bridge Device Select Columns
Select Columns
Part Number Dig I/O Pins Package Type Package Size (mm) Internal Oscillator Communications EEPROM FIFO
12 QFN32 5x5 USB Audio to I²S Audio Bridge 352 512
16 QFN32 5x5 USB-to-I²S Digital Audio Bridge

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