AK4645AEZ Datasheet, PDF (31/85 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

AK4645A
LIN1/IN1− pin
RIN1/IN1+ pin
INL1-0 bits
MDIF1 bit ^MIC-Amp
RIN2/IN2− pin
LIN2/IN2+ pin
MIN/LIN3 pin
RIN3 pin
LIN4/IN4+ pin
RIN4/IN4− pin
INR1-0 bits
MDIF2 bit ^MIC-Amp
[AK4645A]
ADC Lch
ADC Rch
Lineout, HP-Amp
Figure 25. ϚΠΫʗϥΠϯೖྗηϨΫλ
MPWR pin
1k
IN1− pin
IN1+ pin
1k
AK4645A
MIC-Amp
A/D
SDTO pin
Figure 26. ࠩಈϚΠΫೖྗͷճ࿏ྫ(MDIF1/2 bits = “1”)
ʻೖྗηϨΫλઃఆྫʼ
IN1+/− pinsΛࠩಈϚΠΫೖྗɺLIN2/RIN2 pinsΛεςϨΦϥΠϯೖྗͱͯ͠࢖༻͢Δ৔߹ɺ࣍ͷ2ϞʔυΛ৔
໘ʹԠͯ͡੾Γସ͑ͯ࢖༻͍ͯͩ͘͠͞ɻ
MDIF1 bit MDIF2 bit
1
0
0
0
INL1 bit INL0 bit INR1 bit INR0 bit
0
0
0
1
0
1
0
1
Table 15. MIC/Line In Path Select Example
Lch
IN1+/−
LIN2
Rch
RIN2
RIN2
MS0986-J-00
- 31 -
2008/07