PH73311L-VC1/PH73311LQ-VC1 is a USB low-power HiFi audio decoder based on the A316-Mini-V1 module, supporting up to PCM 384KHz/DSD256, specifically designed for portable USB HiFi audio applications.
PH73311L-VC1/PH73311LQ-VC1 supports various standard audio formats, including USB Audio Class 1.0/2.0 interfaces, providing transmission functions from USB input to I²S/S/PDIF output.
PH73311L-VC1/PH73311LQ-VC1 offers multiple input and output modes, including USB input/I²S output and USB input/S/PDIF output, meeting the requirements of different application scenarios. It supports high-quality audio processing, capable of providing a pure sound output experience.
PH73311L-VC1/PH73311LQ-VC1 adopts an optimized low-power design, particularly suitable for portable devices, making it an ideal choice for cost-effective USB HiFi decoders.
PH73311L-VC1/PH73311LQ-VC1 Datasheet A316-Mini-V1 Module Datasheet 
Purchase Samples
| Chip Type | DSD 512 | PCM 768KHz | PCM 384KHz | PCM 192KHz |
|---|---|---|---|---|
| Low-Power Chip | 113 mW | 146 mW | 128 mW | 123 mW |
| Standard Chip | 227 mW | 232 mW | 227 mW | 222 mW |
| Power Saved | 114 mW | 86 mW | 99 mW | 99 mW |
| Power Saving % | 50.22% | 37.07% | 43.61% | 44.59% |
- Low Power Design
- Supports low-power and high-performance modes
- Suitable for portable audio devices
- High-Performance Audio Processing
- Supports input and output sampling rates up to 384kHz
- Supports DSD64/128/256 formats
- Supports DOP128 format
- Supports 16-32bit audio data formats
- Professional Audio Processing
- Built-in SSRC and ASRC modules, supporting conversion between different interfaces and sampling rates
- Supports 8-band equalizer adjustment
- Supports S/PDIF output
- Supports MQA decoding (PH73311LQ-VC1 model)
- Supports USB audio input
- Supports I²S master mode audio output
- Supports S/PDIF audio output
- Supports UART configuration interface
- Supports UAC 1.0
- Supports UAC 2.0
- Supports firmware upgrade via USB
- Supports HID, enabling MCU firmware upgrade via HID
- UAC 2.0 protocol, supports ASIO
- 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 |
| Mode Number | Input/Output Mode | Description |
|---|---|---|
| 1 | USB(UAC2.0) in-I²S(Master) out | USB input, I²S output, UAC2.0, maximum support 384KHz/DSD256 |
| 2 | USB(UAC1.0) in-I²S(Master) out | USB input, I²S output, UAC1.0, fixed 48KHz |
| 3 | USB IN(UAC2.0)-SPDIF OUT | USB input, S/PDIF output, UAC2.0, maximum input 384KHz, output 192KHz |
- USB Low-Power HiFi Decoder
- Digital Audio Converter
- Cost-Effective USB HiFi Audio Solutions
| Type | Title | Download |
|---|---|---|
| Datasheet | PH73311L-VC1 Datasheet | [] |
| Datasheet | A316-Mini-V1 Module Datasheet | [] |
| Reference Design | [] | |
| Application Manual | [] | |
| Product Configuration Protocol | XU316 USB HiFi Decoder Standard Product Configuration Protocol | [] |
| Type | Description | Download |
|---|---|---|
| Debugging Tools | Debugging Tools | |
| Drivers | USB Drivers |
Related Evaluation Boards¶
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A316-HF-DAC-V1 Portable HiFi Audio Decoder Evaluation Board
Used to evaluate the performance of the PH88311L_VC1 module in portable HiFi audio applications, supporting AI noise reduction, spatial audio, and FPS game mode, providing complete software development tools
Related Solutions¶
-
Portable High-End HiFi Audio Decoder Solution with AI Noise Reduction/Spatial Audio/FPS Mode
Low-power portable HiFi audio decoder solution based on PH88311L_VC1, evaluating the following applications: supporting high-resolution audio processing, providing customized spatial audio experiences for games, music, and movies, delivering 360-degree surround sound effects through 2 channels, AI DNR noise reduction technology based on deep learning, intelligently identifying and eliminating background noise and impulse noise, providing clear call and recording experiences, and FPS game mode experience.