Got this Cheap Audio DAC from Amazon for experiments.
#Ad Check one here, they usually comer on sale pretty often – https://amzn.to/2W8I1el
Specs
Supported Sample Rates: 32KHz, 44.1KHz, 48KHz, 96KHz, 192KHz
Supported Resolution: 16, 24 bit
Supported Data formats: Supports Uncompressed 2 channel LPCM or PCM Digital Audio Signal Output; Provides
Interface/Receiver Chip: Cirrus Logic CS8416 ( datasheet below )
- Complete EIAJ CP1201, IEC-60958, AES3,
- S/PDIF-Compatible Receiver
- +3.3 V Analog Supply (VA)
- +3.3 V Digital Supply (VD)
- +3.3 V or +5.0 V Digital Interface Supply (VL)
- 8:2 S/PDIF Input MUX
- AES/SPDIF Input Pins Selectable in Hardware Mode
- Three General Purpose Outputs (GPO) Allow Signal Routing
- Selectable Signal Routing to GPO Pins
- S/PDIF-to-TX Inputs Selectable in Hardware Mode
- Flexible 3-wire Serial Digital Output Port
DAC chip: Cirrus Logic CS4344 – 10-Pin, 24-Bit, 192 kHz Stereo D/A Converter ( datasheet below )
- Multi-bit Delta-Sigma Modulator
- 24-bit Conversion
- Automatically Detects Sample Rates up to 192 kHz.
- 105 dB Dynamic Range
- -90 dB THD+N
- Low Clock-Jitter Sensitivity
- Single +3.3 or +5 V Power Supply
- Filtered Line-Level Outputs
- On-chip Digital De-emphasis
- Popguard® Technology
Input Interface: 1x SPDIF (Tosslink cable provided), 1xCoaxial
Power: 5V ( USB cable provided )
Output Interface: ( Stereo ) 1×3.5mm Jack, 2x RCA
Video Review
Detailed photos
Docs
Additional Resources ( Mods, Schematics, etc)
Modding Similar DAC ( In Japanese ): https://fewattz.com/%e5%ae%9f%e9%a8%93/%e7%99%bd%e7%ae%b1dac/
Similar DAC design by Forum user, with schematic – https://www.diyaudio.com/community/threads/issue-with-diy-cs4344-cs8416-dac.281073/