[AK5357]
PIN / FUNCTION
No. Pin Name
I/O
Function
1
2
3
AINR
AINL
CKS1
I
I
I
Rch Analog Input Pin
Lch Analog Input Pin
Mode Select 1 Pin
Common Voltage Output Pin, VA/2
Bias voltage of ADC input.
Analog Ground Pin
4
VCOM
O
5
6
7
8
AGND
VA
-
-
-
-
Analog Power Supply Pin, 2.7 ∼ 5.5V
Digital Power Supply Pin, 2.7 ∼ 5.5V
Digital Ground Pin
VD
DGND
Audio Serial Data Output Pin
“L” Output at Power-down mode.
Output Channel Clock Pin
9
SDTO
O
10 LRCK
11 MCLK
12 SCLK
I/O
I
“L” Output in Master Mode at Power-down mode.
Master Clock Input Pin
Audio Serial Data Clock Pin
I/O
“L” Output in Master Mode at Power-down mode.
Power Down Mode Pin
13 PDN
14 DIF
I
I
“H”: Power up, “L”: Power down
Audio Interface Format Pin
“H” : 24bit I2S Compatible, “L” : 24bit MSB justified
Mode Select 2 Pin
15 CKS2
16 CKS0
I
I
Mode Select 0 Pin
Note: All digital input pins should not be left floating.
■ Handling of Unused Pin
The unused input pins should be processed appropriately as below.
Classification
Analog
Pin Name
AINL
AINR
Setting
This pin should be open.
This pin should be open.
MS0294-E-03
2009/03
- 3 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
