AK4343VN Datasheet, PDF (35/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
LRCK
0123
BICK(32fs)
SDTI(i)
0 15 14
0123
BICK(64fs)
9 10 11 12 13 14 15 0 1 2 3
8 7 6 5 4 3 2 1 0 15 14
15 16 17 18
31 0 1 2 3
SDTI(i)
15 14
210
15:MSB, 0:LSB
Lch Data
Don't Care
15 14
9 10 11 12 13 14 15 0 1
876543210
15 16 17 18
31 0 1
2 1 0 Don't Care
Rch Data
Figure 30. Mode 3 Timing
■ σΟδλϧHPF
AK4343͸DCΦϑηοτΩϟϯηϧ༻ͷHPFΛ಺ଂ͍ͯ͠·͢ɻHPFͷΧοτΦϑप೾਺͸0.9Hz (@fs=
44.1kHz)ʹͳ͓ͬͯΓɺαϯϓϦϯάप೾਺(fs)ʹൺྫ͠·͢ɻ
■ ೖྗηϨΫλ
AK4343͸ήΠϯΞϯϓ΁ͷೖྗηϨΫλΛ಺ଂ͍ͯ͠·͢ɻMDIF1, MDIF2 bits = “0”ͷͱ͖ɺINL1-0, INR1-0
bitsʹΑΓɺLIN1/LIN2/LIN3, RIN1/RIN2/RIN3ΛͦΕͧΕ੾Γସ͑Δ͜ͱ͕Ͱ͖·͢ɻMDIF1, MDIF2 bits = “1”
ͷͱ͖ɺLIN1, RIN1, LIN2, RIN2 pins͸ͦΕͧΕIN1−, IN1+, IN2+, IN2− pinsͱͳΓɺࠩಈೖྗ͕ՄೳͰ͢(Figure
31)ɻࠩಈೖྗͰ࢖༻͢Δ৔߹ɺTable 20Ͱ “X”ҹͷ͍͍ͭͯΔϐϯʹ͸৴߸Λೖྗ͠ͳ͍Ͱ͍ͩ͘͞ɻ
MDIF1 bit
0
0
0
0
0
0
0
0
0
0
0
1
1
1
Others
MDIF2 bit
0
0
0
0
0
0
0
0
0
1
1
0
0
1
INL1 bit
0
0
0
0
0
0
1
1
1
0
1
0
0
0
INL0 bit
0
0
0
1
1
1
0
0
0
0
0
0
0
0
INR1 bit
0
0
1
0
0
1
0
0
1
0
0
0
1
0
INR0 bit
0
1
0
0
1
0
0
1
0
0
0
1
0
0
Table 19. Input Path Select
Lch
LIN1
LIN1
LIN1
LIN2
LIN2
LIN2
LIN3
LIN3
LIN3
LIN1
LIN3
IN1+/−
IN1+/−
IN1+/−
N/A
Rch
RIN1
RIN2
RIN3
RIN1
RIN2
RIN3
RIN1
RIN2
RIN3
IN2+/−
IN2+/−
RIN2
RIN3
IN2+/−
N/A
(default)
MS0478-J-02
- 35 -
2010/11