AK4201 Datasheet, PDF (4/13 Pages) Asahi Kasei Microsystems – Stereo Cap-less HP-Amp

CONFIDENTIAL
[AK4201]
No.
Pin Name
I/O
1
LIN
I
2
LOUT
O
3
AVDD
-
4
VSS1
-
5
PVDD
-
6
CN
O
7
CP
O
8
PDN
I
9
VSS2
-
10
PVEE
O
11
ROUT
O
12
RIN
I
Note. PDN pin should not be floated.
PIN/FUNCTION
Function
L-channel analog input
L-channel analog output
Headphone positive power supply pin, 2.6V ~ 5.5V
Power ground
Charge-pump positive power supply pin, 2.6V ~ 5.5V
Negative charge-pump capacitor terminal pin
Positive charge-pump capacitor terminal pin
Power-down mode pin
“H”: Power-up, “L”: Power-down
Signal ground; connect to VSS1
Charge-pump circuit negative voltage output pin
R-channel analog output
R-channel analog input
■ Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification Pin Name
Analog
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 LOUT pin to the LIN pin if
Lch is not used.
Rev 0.2
2008/07
-4-