[AK4682]
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
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Pin Name
DVSS1
MCLKB
TVDD
LRCKB
BICKB
SDTOB
PDN
LRCKA
BICKA
MCLKA
SDTIA1
SDTIA2
SDA
SCL
DVDD2
DVSS2
LOUT1
ROUT1
MSB
LOUT2
ROUT2
PVDD
PVSS
LOUT3
ROUT3
AVDD2
AVSS2
VCOM36
VCOM3
AVSS1
AVDD1
LIN1
RIN1
NC
LIN2
RIN2
LIN3
RIN3
NC
LIN4
RIN4
NC
I/O
-
I
-
I/O
I/O
O
I
I
I
I
I
I
I/O
I
-
-
O
O
I
O
O
-
-
O
O
-
-
-
-
-
-
I
I
-
I
I
I
I
-
I
I
-
Function
ADC Digital Ground Pin, 0V
ADC Master Clock Input Pin
Output Buffer Power Supply Pin, 2.7V∼5.25V
Channel Clock B Pin
Audio Serial Data Clock B Pin
Audio Serial Data Output B Pin
Power-Down Mode & Reset Pin
When “L”, the AK4682 is powered-down, all registers are reset. And then all digital
output pins go “L”. The AK4682 must be reset once upon power-up.
Input Channel Clock A Pin
Audio Serial Data Clock A Pin
DAC Master Clock Input Pin
Audio Serial Data Input A1 Pin
Audio Serial Data Input A2 Pin
Control Data Pin
Control Data Clock Pin
DAC Digital Power Supply Pin, 4.75V∼5.25V
DAC Digital Ground Pin, 0V
Lch Analog Output Pin1
Rch Analog Output Pin1
PORTB Master Mode Select Pin.
“L”(connected to the ground): Master/Slave mode. ORed with MSB bit.
“H”(connected to DVDD2) : Master mode.
Lch Analog Output Pin2
Rch Analog Output Pin2
Output Buffer Power Supply Pin, 8.5V ~ 12.6V.
Output Buffer Ground Pin, 0V.
Lch Analog Output Pin 3
Rch Analog Output Pin 3
DAC Analog Power Supply Pin, 4.75V∼5.25V
DAC Analog Ground Pin, 0V
Common Voltage Output Pin for Output Buffer. AVDD2 x 0.734(typ).
10μF capacitor should be connected to AVSS2 externally.
DAC/ADC Common Voltage Output Pin. AVDD2 x 0.6(typ).
10μF capacitor should be connected to AVSS2 externally.
ADC Analog Ground Pin, 0V
ADC Analog Power Supply Pin, 4.75V∼5.25V
Lch Input 1 Pin
Rch Input 1 Pin
No Connection.
No internal bonding. This pin should be connected to the ground.
Lch Input 2 Pin
Rch Input 2 Pin
Lch Input 3 Pin
Rch Input 3 Pin
No Connection.
No internal bonding. This pin should be connected to the ground.
Lch Input 4 Pin
Rch Input 4 Pin
No Connection.
No internal bonding. This pin should be connected to the ground.
MS0610-E-01
-4-
2007/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
