ak4358 AKM Semiconductor, Inc., ak4358 Datasheet - Page 19

• Manufacturer Part Number: ak4358
• Description: 192khz 24-bit 8ch Dac With Dsd Input
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
2) DSD Mode
In case of DSD mode, DIF0-2 is ignored. The frequency of DCLK is fixed to 64fs. DCKB bit can invert the polarity of
DCLK.
Caution: In DSD mode, the signal level is ranging from 25% to 75%. Peak levels of DSD signal above this duty are not
MS0203-E-01
D/A conversion mode switching timing
D/A Data
D/A Data
RSTN bit
D/A Mode
RSTN bit
D/A Mode
recommended by SACD format book (Scarlet Book).
DCLK (64fs)
DCLK (64fs)
DSDL,DSDR
DSDL,DSDR
DCKB=1
DCKB=0
Normal
Phase Modulation
PCM Data
Figure 13. D/A Mode Switching Mode Timing (DSD to PCM)
Figure 12. D/A Mode Switching Timing (PCM to DSD)
D0
D0
PCM Mode
DSD Data
Figure 11. DSD Mode Timing
DSD Mode
≥4/fs
D1
D1
- 19 -
≥4/fs
D1
D2
DSD Data
≥0
D2
D2
DSD Mode
PCM Mode
PCM Data
D3
D3
[AK4358]
2006/02