AK4642VN Datasheet, PDF (67/82 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4642]
γεςϜઃܭ
Figure 45͸γεςϜ઀ଓྫͰ͢ɻ۩ମతͳճ࿏ͱଌఆྫʹ͍ͭͯ͸ධՁϘʔυ(AKD4642)Λࢀরͯ͠Լ͍͞ɻ
Headphone
Speaker
Power Supply ^10u
2.6 ∼ 3.6V
10 0.22u
10 0.22u
ZD2
ZD1
Dynamic SPK
R1, R2: Short
ZD1, ZD2: Open
Piezo SPK
R1, R2: ≥10Ω
ZD1, ZD2: Required
Line Out
Beep
External MIC
or
Line In
Internal MIC
1u
0.1u
25 MUTET
DVSS 16
200
1u
26 ROUT
DVDD 15
200
1u
27 LOUT
BICK 14
28 BEEP
AK4642VN
LRCK 13
DSP
29 RIN2
Top View
SDTO 12
30 LIN2
SDTI 11
31 LIN1
CDTI 10
32 RIN1
CCLK 9
µP
Cp
Analog Ground Digital Ground
஫:
- AK4642ͷAVSS, DVSS, HVSSͱपลίϯτϩʔϥ౳ͷάϥϯυ͸෼͚ͯ഑ઢͯ͠Լ͍͞ɻ
- Figure 45தͷRͱCʹ͍ͭͯ͸ɺదٓઃఆͯ͠Լ͍͞ɻ
- σΟδλϧೖྗϐϯ͸Φʔϓϯʹ͠ͳ͍ͰԼ͍͞ɻ
- EXTϞʔυ(PMPLL bit = “0”) ͷ৔߹ɺVCOC pin͸ΦʔϓϯͰߏ͍·ͤΜɻ
- PLLϞʔυ(PMPLL bit = “1”) ͷ৔߹ɺCpͱRp͸Table 4ͷΑ͏ʹͯ͠Լ͍͞ɻ
- ѹిεϐʔΧ࢖༻࣌͸HVDDʹ2.6 ∼ 5.25VͷిݯΛ͠څڙɺSPP, SPN pinʹͦΕͧΕ10ΩҎ্ͷγ
Ϧʔζ఍߅Λ઀ଓͯ͠Լ͍͞ɻ
- ϚελϞʔυͰ࢖༻͢Δ৔߹ɺM/S bitʹ “1”͕ॻ͖ࠐ·ΕΔ·ͰɺAK4642ͷLRCK, BICK pin͸ϑ
ϩʔςΟϯάͷঢ়ଶͰ͢ɻͦͷͨΊɺAK4642ͷLRCK, BICK pinʹ100kΩఔ౓ͷϓϧΞοϓ͋Δ
͍͸ϓϧμ΢ϯ఍߅ΛೖΕΔඞཁ͕͋Γ·͢ɻ
Figure 45. γεςϜ઀ଓਤ
MS0358-J-02
- 67 -
2005/04