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OT82111_VC1

USB OTG Audio Decoder with ASRC Functionality Supporting USB Input and I²S Output

OT82111_VC1 Block Diagram OT82111_VC1 is a USB OTG audio decoder with ASRC functionality supporting USB input and I²S output, specifically designed for mobile devices. It is optimized for applications where smartphones play background music through USB OTG to live sound cards.

OT82111_VC1 supports connection via smartphone USB OTG interface, using UAC1.0 adaptive mode.

OT82111_VC1 receives fixed 2-channel 16bit 48kHz input signals, features a built-in ASRC sampling rate converter (supporting 44.1kHz~192kHz), and outputs through I²S Slave mode.

OT82111_VC1 Datasheet A316-Mini-V1 Module Datasheet 🛒 Purchase Samples

  • Supports fixed 2-channel 16bit 48kHz USB audio input
  • Built-in ASRC module, supporting 44.1kHz~192kHz sampling rate conversion
  • Supports fixed 2-channel 16bit 48kHz USB audio input
  • Built-in ASRC module, supporting 44.1kHz~192kHz sampling rate conversion
  • ASRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 135dB
  • Supports I²S Slave mode audio output
  • Supports UAC 1.0 adaptive mode
  • Supports OTG connection
  • Plug and play, no driver installation required
  • Compatible with multiple operating systems such as Windows, Linux, Android, macOS, and iOS
Item Value
Hardware Module Model A316-Mini-V1
Operating Voltage 3.3V/1.8V/0.9V
Operating Temperature -20°C ~ 85°C
Flash Size 16M Bytes
Dimensions 13mm x 13mm

A316-Mini-V1 Module

Mode Number Input/Output Mode Description
1 USB OTG(UAC1.0) in - I²S(Slave) out USB OTG input, I²S Slave output, fixed 2-channel 16bit 48kHz input, supporting 44.1kHz~192kHz sampling rate conversion output
  • Smartphone OTG audio output
  • Mobile device audio sampling rate conversion
Type Title Download
Datasheet OT82111-VC1 Datasheet []
Datasheet A316-Mini-V1 Module Datasheet []
Reference Design []
Application Manual []
Type Description Download
Debugging Tools Debugging Tools
Drivers USB Drivers

  • A316-HF-I²S-V1 USB OTG to I²S Audio Decoder Evaluation Board

    Used to evaluate the performance of OT82111_VC1, providing various input/output interfaces and software deployment tools

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  • Smartphone Background Music Playback via USB OTG with ASRC Solution

    Smartphone background music playback via USB OTG with ASRC solution based on OT82111_VC1

    View Details