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Semi-Finished AK4490EQ DAC Decoder Board Dual channel I2S DSD Input for Audio DIY
Specification:
- Chip : AK4490EQ
- Support I2S /DSD decoding
- AKM decoding chip, 32bit DAC for 120db dynamic range
- Onboard SCM MCU
- I2S supports up to 32bit data and 768KHz sampling rate
- DSD supports 2.8M 5.6M 11.2M sampling data (DSD64, DSD128,DSD256)
- Support software controls volume(VOL port connects to 10K single coupling potentiometer)
- 3* 5534 for each channel
Function:
- With software to control volume
- Can set 5 kinds of digital filter mode
- Can set DSD sampling rate
Shortting the pin 6 of K port is PCM mode, otherwise is DSD mode.
Input pin 1 low level of I2S interface, PCM mode
Input pin 1 high level of I2S interface, DSD mode.
When using pin 1 of I2S interface to switch PCM/DSD, be off the pin 6 of K port, otherwise will damage th external signal source.
Others:
- PCB: 12*11cm
- Power supply: Analog power supply DC double 15V, digital power supply AC9-12V
- Pin 5 interface under VOL port should be disconnected when no using.
Main board analog part adopts IV LPF circuit:
Note:
Semi-finished suite, including board and components.
The paster element has been welded and tested, and the straight pin needs to be welded yourself.
Package included:
- 1 x AK4495SEQ DAC Decoder Board