[AK4528]
MS0011-J-03 2013/03
- 4 -
ピン/機能
No. Pin Name I/O Function
1 VCOM O
Common Voltage Output Pin, VA/2
Bias voltage of ADC inputs and DAC outputs.
2 AINR+ I Rch Positive Input Pin
3 AINR− I Rch Negative Input Pin
4 AINL+ I Lch Positive Input Pin
5 AINL− I Lch Negative Input Pin
6 VREF I
Voltage Reference Input Pin, VA
Used as a voltage reference by ADC & DAC. VREF is connected externally to
filtered VA.
7 AGND - Analog Ground Pin
8 VA - Analog Power Supply Pin, 4.75 ∼ 5.25V
9 P/S I
Parallel/Serial Mode Select Pin
“L”: Serial Mode, “H”: Parallel Mode
10 MCLK I Master Clock Input Pin
11 LRCK I Input/Output Channel Clock Pin
12 BICK I Audio Serial Data Clock Pin
13 SDTO O Audio Serial Data Output Pin
14 SDTI I Audio Serial Data Input Pin
CDTI I Control Data Input Pin in Serial Mode
15
CKS0 I Master Clock Select Pin
CCLK I Control Data Clock Pin in Serial Mode
16
CKS1 I Master Clock Select Pin
CSN I Chip Select Pin in Serial Mode
17
DIF I
Digital Audio Interface Select Pin
“L”: 24bit MSB justified, “H”: I
2
S compatible
18 DFS I Double Speed Sampling Mode Pin
19 PDN I
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initialize the control register.
20 DEM0 I De-emphasis Control Pin
21 DEM1 I De-emphasis Control Pin
22 VT - Output Buffer Power Supply Pin, 2.7 ∼ 5.25V
23 VD - Digital Power Supply Pin, 4.75 ∼ 5.25V
24 DGND - Digital Ground Pin
25 AOUTL− O Lch Negative Analog Output Pin
26 AOUTL+ O Lch Positive Analog Output Pin
27 AOUTR− O Rch Negative Analog Output Pin
28 AOUTR+ O Rch Positive Analog Output Pin
Note: All input pins should not be left floating.