AK4683_07 Datasheet, PDF (21/84 Pages) Asahi Kasei Microsystems – Asynchronous Multi-Channel Audio CODEC with DIR/T

[AK4683]
■ X’tal Oscillator
The following circuits are available to feed the clock to XTI pin of the AK4683.
1) X’tal
XTI
C
25kΩ(typ)
C
XTO
AK4683
Note: External capacitance depends on the crystal oscillator (Typ. 10-40pF)
Figure 3. X’tal mode
2) External clock
- Note: Input clock must not exceed DVDD.
External
Clock
XTI
25kΩ(typ)
XTO
AK4683
(Input: CMOS Level)
Figure 4 DC-coupled Input
C _XTI
External
Clock
25kΩ(typ)
XTO
AK4683
(Input: ≥40%DVDD, C=0.1μF)
Figure 5 AC-coupled Input
3) XTI/XTO are not used
XTI
XTO
25kΩ(typ)
AK4683
Figure 6. OFF mode
MS0427-E-02
- 21 -
2007/04