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PH73211L_VC1/PH73211LQ_VC1


USB Low-Power HiFi Decoder Supporting USB Input and I2S Output

PH73211L_VC1/ph73211LQ_VC1 Block Diagram PH73211L_VC1/ph73211LQ_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 USB low-power HiFi decoder audio applications.

PH73211L_VC1/ph73211LQ_VC1 supports various standard audio formats, including USB Audio Class 1.0/2.0 interfaces.

PH73211L_VC1/ph73211LQ_VC1 offers both low-power and high-performance modes to meet different customer application scenarios.

PH73211L_VC1/ph73211LQ_VC1 provides USB input/I²S output mode to meet the requirements of high-quality audio application scenarios.

PH73211L_VC1/ph73211LQ_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
      • SSRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 140dB
      • ASRC specifications: THD+N (@1kHz, 0dBFs) < -130dB, SNR: > 135dB
    • Supports 8-band equalizer adjustment
    • Supports MQA (PH73211LQ_VC1 model)
  • Supports USB audio input
  • Supports I²S master mode 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

A316-Mini-V1 Module

Mode Number Input/Output Mode Description
1 USB(UAC2.0) in-I²S(Master) out USB input, I²S output, UAC2.0
2 USB(UAC1.0) in-I²S(Master) out USB input, I²S output, UAC1.0
  • USB Low-Power HiFi Decoder
Type Title Download
Datasheet PH73211L-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
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