AK5701 Datasheet, PDF (33/62 Pages) Asahi Kasei Microsystems – PLL & MIC-AMP 16-Bit Stereo ADC

ASAHI KASEI
[AK5701]
„ σΟδλϧHPF
AK5701͸DCΦϑηοτΩϟϯηϧ༻ͷHPFΛ಺ଂ͍ͯ͠·͢ɻHPFͷΧοτΦϑप೾਺͸HPF1-0 bitsͰબ
୒͠·͢ɻΧοτΦϑप೾਺͸αϯϓϦϯάप೾਺(fs)ʹൺྫ͠·͢ɻॳظ஋͸3.4Hz (@fs= 44.1kHz)Ͱ͢ɻ
HPF1 bit
0
0
1
1
HPF0 bit
fs=44.1kHz
fc
fs=22.05kHz
fs=11.025kHz
0
3.4Hz
1.7Hz
0.85Hz
1
6.8Hz
3.4Hz
1.7Hz
0
13.6Hz
6.8Hz
3.4Hz
1
N/A
N/A
N/A
Table 18. σΟδλϧHPFΧοτΦϑप೾਺
Default
„ ϚΠΫʗϥΠϯೖྗηϨΫλ
AK5701͸ೖྗηϨΫλΛ಺ଂ͍ͯ͠·͢ɻMDIF1, MDIF2 bit = “0”ͷͱ͖ɺINL, INR bitʹΑΓɺLIN1/LIN2,
RIN1/RIN2ΛͦΕͧΕ੾Γସ͑Δ͜ͱ͕Ͱ͖·͢ɻMDIF1, MDIF2 bit = “1”ͷͱ͖ɺLIN1, RIN1, LIN2, RIN2 pin
͸ͦΕͧΕLIN+, LIN−, RIN−, RIN+ pinͱͳΓɺࠩಈೖྗ͕ՄೳͰ͢(Figure 37)ɻ
MDIF1 bit
0
1
MDIF2 bit
0
1
0
1
INL bit
INR bit
Lch
0
0
LIN1
1
LIN1
1
0
LIN2
1
LIN2
0
x
LIN1
1
x
N/A
x
0
N/A
1
LIN+/−
x
x
LIN+/−
Table 19. MIC/Line In Path Select
Rch
RIN1
RIN2
RIN1
RIN2
RIN+/−
N/A
N/A
RIN2
RIN+/−
Default
AK5701
LIN1/LIN+ pin
RIN1/ LIN− pin
INL bit
MDIF1 bit
ADC Lch
RIN2/ RIN+ pin
LIN2/ RIN− pin
INR bit
MDIF2 bit
ADC Rch
Figure 36. ϚΠΫʗϥΠϯೖྗηϨΫλ
MS0404-J-00
- 33 -
2005/08