AK4589 Datasheet, PDF (72/76 Pages) Asahi Kasei Microsystems – 2/8 CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4589]
γεςϜઃܭ
Figure 50͸γεςϜ઀ଓྫͰ͢ɻ۩ମతͳճ࿏ͱଌఆྫʹ͍ͭͯ͸ධՁ༻Ϙʔυ(AKD4589)Λࢀরͯ͠Լ͞
͍ɻ
৚݅:I2C ίϯτϩʔϧϞʔυ
5
Micro
Controller
S/PDIF out
S/PDIF sources
(S/PDIF
sources)
10u
+
Audio DSP
0.1u
(MPEG/AC3)
3.3V to 5V
Digital
Digital 5V
Micro
Controller
10u
C1
C1
1 INT1
2 BOUT
0.1u
+
3 TVDD
4 DVDD
+
5 DVSS
6 XTO
X’tal
7 XTI
8 TEST3
9 MCKO2
10 MCKO1
11 COUT
12 UOUT
13 VOUT
14 SDTO2
15 BICK2
16 LRCK2
17 SDTO1
18 BICK1
19 LRCK1
20 CDTO
AK4589
TEST1 ₆₀
RX1 59
NC 58 (Shield)
RX0 57
AVSS ₅₆
AVDD ₅₅
VREFH 54
VCOM ₅₃
RIN ₅₂
+
0.1u 10u _{Analog 5V}
0.1u 2.2u
+
LIN 51
ROUT1+ 50
ROUT1- 49
LOUT1+ ₄₈
LOUT1- 47
ROUT2+ 46
ROUT2- ₄₅
LOUT2+ 44
LOUT2- 43
ROUT3+ ₄₂
ROUT3- 41
C2
LPF
C2
LPF
C2
LPF
C2
LPF
C2
LPF
MUTE
MUTE
MUTE
MUTE
MUTE
C2
C2
C2
LPF LPF LPF
Audio DSP
(MPEG/AC3)
Micro Controller
Digital Ground
Analog Ground




Figure 50γεςϜ઀ଓྫ

Note͂
- C1ͷ஋͸ਫথৼಈࢠʹґଘ͠·͢ɻ
- C2 ʹ͸ 470pF Λ࣮૷͍ͯͩ͘͠͞ɻ
- AVSS, DVSS, PVSS͸ɺಉ͡Ξφϩάάϥϯυʹ઀ଓͯ͠Լ͍͞ɻ
- σΟδλϧ৴߸ɺಛʹΫϩοΫ৴߸͸ΫϩοΫδολ΁ͷӨڹΛආ͚ΔͨΊ R ϐϯ͔ΒͰ͖Δ͚ͩ཭
͍ͯͩ͘͠͞ɻ
- ಉ࣠ೖྗͷ৔߹ɺRCA ίωΫλͱऴ୺ͷάϥϯυ͸ AK4589 ͷ PVSS ʹ௿ΠϯϐʔμϯεͰ઀ଓͯ͠
͍ͩ͘͞ɻ
MS0339-J-00
- 72 -
2004/09