OT82111_VC1¶
4-Channel ASRC OTG 48KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces
OT82111 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 and 48KHz, 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 UAC2.0 adaptive mode, 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.
Buy SamplesFeatures and Specifications¶
- Exceptional Audio Quality
- THD+N < -130dB, SNR > 135dB
- ASRC supports conversion between 44.1kHz~192kHz and 48KHz
- 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 | OT82111-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 48KHz Audio Sample Rate Converter with Dual I²S Slave Interfaces | OT82111-VC1 |  |
Related Evaluation Boards¶
-
A316-LS-MIC-V2 USB OTG to I²S Audio Decoder Evaluation Board
The development board features a codec for independent evaluation of OT82111_VC1 performance
-
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 OT82111_VC1 performance