[AK4480]
PIN/FUNCTION
No.
1
Pin Name
SMUTE
CSN
SD
CAD0
DEM0
CCLK
DEM1
CDTI
DIF0
CAD1
DIF1
DZFL
DIF2
DINR
PSN
ACKS
DZFR
AOUTRP
AOUTRN
VSS1
VDDR
VREFHR
VREFLR
VREFLL
VREFHL
VDDL
VSS2
AOUTLN
AOUTLP
VSS3
AVDD
MCLK
VSS4
DVDD
PDN
I/O
I
I
I
I
I
I
I
I
I
I
I
O
I
I
I
I
O
O
O
-
-
I
I
I
I
-
-
O
O
-
-
I
-
-
I
Function
Soft Mute in Parallel Control Mode
When this pin goes to “H”, soft mute cycle is initiated.
When returning to “L”, the output mute releases.
Chip Select in Serial Control Mode
Digital Filter Select Pin
Chip Address 0 in Serial Control Mode
De-emphasis Enable 0 in Parallel Control Mode
Control Data Clock in Serial Control Mode
De-emphasis Enable 1 in Parallel Control Mode
Control Data Input in Serial Control Mode
Digital Input Format 0 in PCM Mode
Chip Address 1 in Serial Control Mode
Digital Input Format 1 in PCM Mode
Left Channel Zero Input Detect in Serial Control Mode
Digital Input Format 2 in PCM Mode
Rch Audio Serial Data Input in External DF Mode.
Parallel/Serial Select
(Internal pull-up pin)
“L”: Serial Control Mode, “H”: Parallel Control Mode
Clock Auto Setting Mode Pin
Rch Zero Input Detect in Serial Control Mode
Right Channel Positive Analog Output
Right Channel Negative Analog Output
Connected to VSS2/3/4 Ground
Right Channel Analog Power Supply, 4.75~5.25V
Right Channel High Level Voltage Reference Input
Right Channel Low Level Voltage Reference Input
Left Channel Low Level Voltage Reference Input
Left Channel High Level Voltage Reference Input
Left Channel Analog Power Supply, 4.75~5.25V
Ground (connected to VSS1/3/4 ground)
Left Channel Negative Analog Output
Left Channel Positive Analog Output
Ground (connected to VSS1/2/4 ground)
Analog Power Supply, 4.75 to 5.25V
Master Clock Input
Connected to VSS1/2/3 Ground
Digital Power Supply, 4.75
∼
5.25V
Power-Down Mode
When at “L”, the AK4480 is in power-down mode and is held in reset.
The AK4480 should always be reset upon power-up.
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Note: All input pins except internal pull-up/down pins must not be left floating.
MS1146-E-03
-4-
2012/01
AKM [ ASAHI KASEI MICROSYSTEMS ]
