AK4368 Datasheet, PDF (54/58 Pages) Asahi Kasei Microsystems – PLL & HP-AMP DAC

ASAHI KASEI
[AK4368]
γεςϜઃܭ
γεςϜ઀ଓྫΛFigure 45ʹࣔ͠·͢ɻ۩ମతͳճ࿏͍ͭͯ͸ධՁ༻ϘʔυΛࢀরͯ͠Լ͍͞ɻ
Analog Supply
1.6∼3.6V
+ _10µ
220µ
+
16Ω 16Ω
+
220µ
Headphone
Cp
Rp
0.1µ
10
0.1µ
2.2µ
0.1µ
1µ
Speaker
SPK-Amp
NC HPR HVDD AVDD VCOM LOUT NC
HVSS
HPL
AVSS MUTET ROUT 3DCAP2 3DCAP3 _{470n 4.7n}
MIN
NC
NC
3DCAP1
Top View
RIN
NC
PDN
NC
VCOC LIN
NC
NC
CAD0/
CSN
PVDD PVSS DVSS I2C LRCK SDATA SCL/
NC MCKO DVDD MCKI BICK
CCLK
SDA/ NC
CDTI
0.1µ
1000p
Audio Controller
µP
஫:
- AK4368ͷAVSS, PVSS, DVSS, HVSSͱपลίϯτϩʔϥ౳ͷάϥϯυ͸෼͚ͯ഑ઢͯ͠Լ͍͞ɻ
- σΟδλϧೖྗϐϯ͸Φʔϓϯʹ͠ͳ͍ͰԼ͍͞ɻ
- EXTϞʔυ(PMPLL bit = “0”) ͷ৔߹ɺVCOC pin͸ΦʔϓϯͰߏ͍·ͤΜɻ
- PLLϞʔυ(PMPLL bit = “1”) ͷ৔߹ɺCpͱRp͸Table 1ͷΑ͏ʹͯ͠Լ͍͞ɻ
- ϚελϞʔυͰ࢖༻͢Δ৔߹ɺM/S bitʹ “1”͕ॻ͖ࠐ·ΕΔ·ͰɺAK4368ͷLRCK, BICK pins͸
ϑϩʔςΟϯάͷঢ়ଶͰ͢ɻͦͷͨΊɺAK4368ͷLRCK, BICK pinsʹ100kΩఔ౓ͷϓϧΞοϓ͋
Δ͍͸ϓϧμ΢ϯ఍߅ΛೖΕΔඞཁ͕͋Γ·͢ɻ
Figure 45. γεςϜ઀ଓਤ (MCLKʹACΧοϓϦϯάͰೖྗͨ͠৔߹)
MS0409-J-01
- 54 -
2005/08