Wisdom in mind,   enthusiasm at heart.

DA-7 MKi module  (2023 DIY version)
Stock clearance

Built in 4 group R-2R discrete 24BIT / 3072K DAs work on PUSH/PULL mode
Built in DSD discrete DA support DSD64 to 512
Auto switch between DSD and PCM
 IIS and Binary Two’s Complement two formats for choice
Two pcs DA-7 module can build a real balanced DAC .

Promo Price: ( Inventory clearance price ,Exclude shipping cost)
USD150 for two pcs (2 pcs for build a real balanced stereo DAC.)
Please inform which input format you want when place the order .
If you want to build the NOS DAC, connect the USB interface or spdif interface direct, advice order the IIS format .
If you want to built the oversampling DAC , connect the FIR filter on DA-7 input ports, advice order the Two’s Complement two format .

Click to check the HDMI IIS input module price .
　

 Summarize：
Applied programmable chip , up to 450MHz working frequency, offer strong ability and can through the codes to improve the performance.

Support up to 24 BIT / 3072Khz in NOS mode, and 384Khz in 8x oversampling mode, and DSD 64-512.
Low Power Consumption, only need +3.3V (+/- 5%) / 50mA power.

Recommend PSU for DA7:
       The PSU2019 class A PSU can work for DA7 ,separate the digital and analog power supply,  provide the smooth but transparency sound.
       One PSU2019 can power supply for 2 pc DA7 modules to build the  balanced stereo DAC , or two PSU2019 power supply for 2 pc DA7 modules to build the balanced  stereo DAC with mono power supply.
       Click the below photo to view the PSU2019 web page.

　

Example for simply apply (Other apply method depend on your design) :

Please note:
1, The product for DIY, before shipping ,we had the full check, but it may damage by wrong power connect or other case, so it had not warranty after shipping .
2, The most simply USB or HDMI IIS NOS DAC circuit diagram (It had applied the USB power supply so the output voltage level is slight low, this example must with IIS input format, it can't work with the Two’s Complement two format DA-7 module.)

　

Setting guide:
1,There are 3 GND for the different connected, for DIYers' samply to build the DAC, the 3 GNDs can connect together .
2,There are 2 ports for the +3.3V digital and analog power supplys, DIYer can connect them together to one +3.3V power supply .