AK4647VN AKM [Asahi Kasei Microsystems], AK4647VN Datasheet - Page 28

• Manufacturer Part Number: AK4647VN
• Description: Stereo CODEC with MIC/HP-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

ASAHI KASEI
<Input Selector Setting Example>
In case that IN1+/− pins are used as full-differential mic input and LIN2/RIN2 pins are used as stereo line input, it is
recommended that the following two modes are set by register setting according to each case.
MS0566-E-00
MDIF1 bit
LIN1/IN1− pin
RIN1/IN1+ pin
RIN2/IN2− pin
LIN2/IN2+ pin
1
0
Figure 22. Connection Example for Full-differential Mic Input (MDIF1/2 bits = “1”)
MDIF2 bit
0
0
AK4647
INL1 bit
1k
1k
Table 17. MIC/Line In Path Select Example
MPWR pin
0
0
IN1+ pin
IN1− pin
Figure 21. Mic/Line Input Selector
INL0 bit
0
1
MDIF1 bit
MDIF2 bit
INR bit
INL bit
- 28 -
MIC-Amp
INR1 bit
0
0
A/D
INR0 bit
1
1
AK4647
IN1+/−
SDTO pin
LIN2
Lch
ADC Lch
ADC Rch
RIN2
RIN2
Rch
[AK4647]
2006/11