Warm Tips

• A few decoders' I2S interfaces may not be compatible with this module.

Features

• Consist of 3 chips: USB3300 is responsible for the physical transmission of USB data, STM32F446 (ARM Cortex-M4 180MHz) is responsible for the main control and audio buffer, and ALTERA CPLD is responsible for the audio signal output; the chips form absolute physical isolation and do not constitute interference.

• Using 2520 small package ultra-low phase noise audio dedicated crystal, phase noise as low as -158dBc/Hz @100kHz; CPLD circuit part of the clock generation part is optimized to give full play to its performance.

• Configuration modes: MCLK output frequency can be individually configured for any format. From 64Fs to 512FS, from 2.8224MHZ to 49.152MHz, allowing the DAC chip to perform at an excellent level. Any VID and PID and device string can also be written to adapt to any standard USB 2.0 audio driver.

• Supported formats and sample rates: 32-bit PCM (compatible with 24-bit and 16-bit); support formats 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz, 352.8KHz, 384KHz, 705.6KHz, 768KHz, 1411.2KHz, and 1536KHz.  DSD format supports DSD64, DSD128, DSD256, DSD512 and DSD1024, lossless transmission in DoP (DSD64~512) or Native (DSD64~1024) protocol.

• Supported operating systems:

Windows XP/Vista/7/8 Universal third-party USB Audio 2.0 drivers need to be installed to support all audio formats and sample rates.
Windows 10 comes with a USB Audio 2.0 driver that supports the PCM and DoP protocols in DSD format. All audio formats and sample rates are supported when a generic third-party USB Audio 2.0 driver is installed.
Mac OS comes with a USB Audio 2.0 driver that supports the DSD format for both PCM and DoP protocols.
iOS 7 and subsequent versions come with USB Audio 2.0 drivers that support the DSD format for both PCM and DoP protocols.
Android 5.0 and later versions come with USB Audio 2.0 drivers, which support all audio formats and sample rates.
Linux systems (with UAC2 kernel driver module mounted), including Volumio, Moode and Daphile, support all audio formats and sample rates.

Parameters

• Storage temperature: -40℃ to 85℃
• Operating ambient temperature: 0℃ to 55℃
• USB port power supply voltage: 5V (min. 4.5V, max. 5.2V)
• Rated/max current consumption: 120mA / 160mA
• Rated/max power consumption: 600mW / 800mw
• Output interface logic voltage: 3.3V
• Output interface frequency: <50 MHz
• Audio and clock signal output impedance: 47Ω
• Control signal interface drive capability: ±4mA max.
• Digital audio output protocol: l²S, DSD
• USB data protocol: USB 2.0 protocol
                                 USB Audio Class 2 protocol
• Audio data protocols: PCM, DoP (token FA05), Native DSD

Packing List

• 1*USB Module