AK4640_05 Datasheet, PDF (23/78 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
(2) External Clock Direct Input
External
Clock
XTI
XTO
MCKPD = "0"
25kΩ(typ)
PMXTL = "0"
AK4640
(3) AC Coupling Input
Figure 14. External Clock mode (Input: CMOS Level)
Note: This clock level must not exceed DVDD level.
C _XTI
External
Clock
XTO
MCKPD = "0"
25kΩ(typ)
PMXTL = "1"
AK4640
Figure 15. External Clock mode (Input: ≥ 50%DVDD)
Note: This clock level must not exceed DVDD level. (C: 0.1µF)
[AK4640]
MS0273-E-02
- 23 -
2005/04