AK4343VN Datasheet, PDF (81/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
γεςϜઃܭ
Figure 72͓ΑͼFigure 73͸γεςϜ઀ଓྫͰ͢ɻ۩ମతͳճ࿏ͱଌఆྫʹ͍ͭͯ͸ධՁϘʔυ(AKD4343)Λ
ࢀরͯ͠Լ͍͞ɻ
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
Mono In
Line In
1u
200 _1u
200 _1u
25 MUTET
26 ROUT
27 LOUT
28 MIN
29 RIN2
30 LIN2
31 LIN1
32 RIN1
AK4343
Top View
DVSS 16
DVDD 15
BICK 14
LRCK 13
TEST2 12
SDTI 11
CDTI 10
CCLK 9
0.1u
DSP
μP
Cp
Analog Ground Digital Ground
஫:
- AK4343ͷAVSS, DVSS, HVSSͱपลίϯτϩʔϥ౳ͷάϥϯυ͸෼͚ͯ഑ઢͯ͠Լ͍͞ɻ
- σΟδλϧೖྗϐϯ͸Φʔϓϯʹ͠ͳ͍ͰԼ͍͞ɻ
- EXTϞʔυ(PMPLL bit = “0”) ͷ৔߹ɺVCOC pin͸ΦʔϓϯͰߏ͍·ͤΜɻ
- PLLϞʔυ(PMPLL bit = “1”) ͷ৔߹ɺCpͱRp͸Table 5ͷΑ͏ʹͯ͠Լ͍͞ɻ
- ѹిεϐʔΧ࢖༻࣌͸HVDDʹ2.6 ∼ 5.25VͷిݯΛ͠څڙɺSPP, SPN pinʹͦΕͧΕ10ΩҎ্ͷγ
Ϧʔζ఍߅Λ઀ଓͯ͠Լ͍͞ɻ
- ϚελϞʔυͰ࢖༻͢Δ৔߹ɺM/S bitʹ “1”͕ॻ͖ࠐ·ΕΔ·ͰɺAK4343ͷLRCK, BICK pin͸ϑ
ϩʔςΟϯάͷঢ়ଶͰ͢ɻͦͷͨΊɺAK4343ͷLRCK, BICK pinʹ100kΩఔ౓ͷϓϧΞοϓ͋Δ
͍͸ϓϧμ΢ϯ఍߅ΛೖΕΔඞཁ͕͋Γ·͢ɻ
Figure 72. γεςϜ઀ଓਤ(AIN3 bit = “0”, RCV bit = “0”)
MS0478-J-02
- 81 -
2010/11