ASAHI KASEI
[AK4528]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
VCOM
AINR+
AINR−
AINL+
AINL−
VREF
AGND
VA
P/S
MCLK
LRCK
BICK
SDTO
SDTI
CDTI
CKS0
CCLK
CKS1
CSN
17
18
19
20
21
22
23
24
25
26
27
28
DIF
DFS
PDN
DEM0
DEM1
VT
VD
DGND
AOUTL−
AOUTL+
AOUTR−
AOUTR+
I/O
O
I
I
I
I
I
-
-
I
I
I
I
O
I
I
I
I
I
I
I
I
I
I
I
-
-
-
O
O
O
O
Function
Common Voltage Output Pin, VA/2
Bias voltage of ADC inputs and DAC outputs.
Rch Positive Input Pin
Rch Negative Input Pin
Lch Positive Input Pin
Lch Negative Input Pin
Voltage Reference Input Pin, VA
Used as a voltage reference by ADC & DAC. VREF is connected externally to
filtered VA.
Analog Ground Pin
Analog Power Supply Pin, 4.75
∼
5.25V
Parallel/Serial Mode Select Pin
“L”: Serial Mode, “H”: Parallel Mode
Master Clock Input Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Output Pin
Audio Serial Data Input Pin
Control Data Input Pin in Serial Mode
Master Clock Select Pin
Control Data Clock Pin in Serial Mode
Master Clock Select Pin
Chip Select Pin in Serial Mode
Digital Audio Interface Select Pin
“L”: 24bit MSB justified, “H”: I
2
S compatible
Double Speed Sampling Mode Pin
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initialize the control register.
De-emphasis Control Pin
De-emphasis Control Pin
Output Buffer Power Supply Pin, 2.7
∼
5.25V
Digital Power Supply Pin, 4.75
∼
5.25V
Digital Ground Pin
Lch Negative Analog Output Pin
Lch Positive Analog Output Pin
Rch Negative Analog Output Pin
Rch Positive Analog Output Pin
Note: All input pins should not be left floating.
MS0011-E-01
-4-
2004/01
AKM [ ASAHI KASEI MICROSYSTEMS ]
