ASAHI KASEI
[AK4140]
Soft Transition Operation
When the STR bit is “1”, the transition among MONO, Stereo and SAP is operated using soft muting function. When the
STR bit is “0”, the transition among MONO, Stereo and SAP is operated immediately.
Control Timing
Output Data
at STR bit = “0”
MONO
MONO
SAP
(2)
0dB
Output Data
at STR bit = “1”
SAP
- dB
∞
(1)
(1)
Notes:
(1) Transition time. 768 LRCK cycles (768/fs) for both muting and unmuting.
(2) When the STR bit = “0”, a noise may occur at transition.
Figure 12. Soft Transition Control (ex. MONO to SAP)
MS0547-E-01
2007/03
- 26 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
