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OT83211_VC1

4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces

OT83211_VC1 Block Diagram OT83211 is a high-performance 4-channel ASRC audio sample rate converter designed for mobile audio devices, integrating USB OTG interface and dual I²S slave interface functionality. This product is developed based on the high-performance XMOS chip and specifically optimized for streaming sound cards, mobile audio interfaces, and other application scenarios.

  • The product features high-precision dual independent 2-channel ASRC sample rate converters, supporting sample rate conversion between 44.1kHz~192kHz, ensuring seamless conversion of audio signals between different sample rates.
  • Through the USB OTG interface, the device can directly connect to smartphones, tablets, and other mobile devices, implementing plug-and-play functionality using UAC 2.0, compatible with Windows, Linux, Android, macOS, iOS, and various platforms.
  • The product delivers exceptional audio performance with THD+N < -130dB and SNR > 135dB, providing audio equipment manufacturers with professional-grade audio processing solutions.

OT83211_VC1 Product Brief OT83211_VC1 Datasheet 🛒 Buy Samples

Features and Specifications

  • Exceptional Audio Quality
    • THD+N < -130dB, SNR > 135dB
    • ASRC supports conversion between 44.1kHz~192kHz
    • Dynamic range ≥110dB, professional-grade audio performance
  • 4-Channel ASRC
    • Built-in dual independent 2-channel ASRC
    • Can simultaneously process 2-channel upstream and 2-channel downstream ASRC conversion
  • Supports I²S Slave mode audio interface
  • Supports UAC 2.0
  • Supports OTG connection
  • Plug-and-play, no driver installation required
  • Supports multiple operating systems including Windows, Linux, Android, macOS, and iOS

Normal Operating Conditions

Function Minimum Typical Maximum Unit
Operating Temperature 0 - 70 ℃
3.3V Operating Voltage 3.0 3.3 3.6 V
1.8V Operating Voltage 1.62 1.80 1.98 V
0.9V Operating Voltage 0.855 0.90 0.945 V

Product Dimensions 13±0.1mm(L)X13±0.1mm(W)X0.8±0.1mm(H)

Documentation and Tools

Type Title Download
Product Datasheet OT83211-VC1 Datasheet []
Reference Design []
Application Guide []
Type Description Download
Debugging Tools Debugging Tools
Drivers USB Drivers

Application Scenarios

  • Mobile Accompaniment/Streaming

    • Play background music via mobile phone OTG while performing audio processing. Provides low-latency, high-fidelity audio experience

  • Car Audio Players

    • Connect mobile phone to car audio player USB to play songs through the car audio system

Ordering Information

Product Name Product Model Product Image
4-Channel ASRC OTG 44.1KHz~192KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces OT83211-VC1 OT83211-VC1

  • A316-LS-MIC-V2 USB OTG to I²S Audio Decoder Evaluation Board

    The development board features a codec for independent evaluation of OT83211_VC1 performance

    View Details

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

    The development board provides USB and I2S interfaces, allowing I2S connection to customer base board for evaluating OT83211_VC1 performance

    View Details

  • Mobile Phone Background Music Playback via USB OTG ASRC Solution

    OT83211_VC1-based solution for mobile phone background music playback via USB OTG with ASRC

    View Details