[AK4201]
PIN/FUNCTION
No.
1
2
3
4
5
6
7
8
Pin Name
LIN
LOUT
AVDD
VSS1
PVDD
CN
CP
PDN
I/O
I
O
-
-
-
I
O
I
Function
L-channel analog input
L-channel analog output
Headphone positive power supply pin
Ground 1 pin
Charge-pump positive power supply pin
Negative charge-pump capacitor terminal pin
Positive charge-pump capacitor terminal pin
Power-down mode pin
“H”: Power-up, “L”: Power-down
Ground 2 pin
Charge-pump circuit negative voltage output pin
R-channel analog output
R-channel analog input
9
VSS2
-
10
PVEE
O
11
ROUT
O
12
RIN
I
Note. The PDN pin must not be floated.
■
Handling of Unused Pin
The unused I/O pins must be processed appropriately as below.
Classification
Analog
Pin Name
LIN, RIN, LOUT, ROUT
Setting
Connect Output pin to Input pin when one channel
is used and the other is not used.
(Example) Connect the ROUT pin to the RIN pin if
Rch is not used.
MS1077-E-01
-4-
2011/02
AKM [ ASAHI KASEI MICROSYSTEMS ]
