ASAHI KASEI
[AK4522]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin Name
VREFH
AINR+
AINR-
AINL+
AINL-
VA
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
SMUTE
DEM0
DEM1
MCKI
VD
DGND
PD
CMODE
AOUTL
AOUTR
VCOM
I/O
I
I
I
I
I
-
-
I
I
I
I
I
O
I
I
I
I
-
-
I
I
I
I
O
Function
Positive Voltage Reference Input Pin, VA
Used as a positive voltage reference by ADC & DAC. VREFH should be connected
externally to filtered VA.
Rch Analog Positive Input Pin
Rch Analog Negative Input Pin
Lch Analog Positive Input Pin
Lch Analog Negative Input Pin
Analog Power Supply Pin
Analog Ground Pin
Audio Data Interface Format Pin
Audio Data Interface Format Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Soft Mute Pin
When this pin goes “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
De-emphasis Frequency Select Pin
De-emphasis Frequency Select Pin
Master Clock Input/X’tal Input Pin
Digital Power Supply Pin
Digital Ground Pin
Reset Pin
Master Clock Select Pin
(Internal Biased pin)
“H”: 384fs, “L”: 256fs, “NC”: 512fs
Lch Analog Output Pin
Rch Analog Output Pin
Common Voltage Output Pin, VA/2
Note: All input pins except pull-down pins should not be left floating.
M0020-E-01
-3-
1998/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
