61
Q310 : AK4353VFP-E2
PIN/FUNCTION
No.
Pin Name
I/O
Description
1
MCKO
O
Master Clock Output Pin
Same frequency as MCKI is output
2
TX
O
Transmit Channel Output Pin
3
DVDD
-
Digital Power Supply pin, +2.7 - +5.5V
4
DVSS
-
Digital Ground pin, 0V
5
MCKI
I
Master Clock Input Pin
6
BICK
I
Serial Data Clock Pin
7
SDTI
I
Serial Data Input Pin
8
LRCK
I
Serial Input Channel Clock Pin
9
PDN
I
Power-Down Pin
When “L”, the circuit is in power-down mode.
The AK4353 should always be reset upon power-up.
10
CSN
I
Chip Select Pin at 3-wire Serial control mode
This pin should be connected to DVDD at I
2
C Bus control mode.
11
SCL
I
Control Clock Pin at I
2
C bus control mode
CCLK
I
Control Clock Pin at 3-wire serial control mode
12
SDA
I/O
Control Data Input/Output Pin at I
2
C Bus control mode
CDTI
I
Control Data Input Pin at 3-wire serial control mode
13
TST
I
Test pin
This pin should be connected to DVDD.
14
TTL
I
Digital Input Level Select Pin
“L” : CMOS, “H” : TTL
15
12C
I
Control Mode Select Pin
“L” : 3-wire Serial, “H” : I
2
C Bus
16
CAD0
I
Chip Address Select 0 Pin
17
CAD1
I
Chip Address Select 1 Pin
18
AOUTR
O
Rch Analog Output Pin
19
AOUTL
O
Lch Analog Output Pin
20
VCOM
O
Commom Voltage Output Pin, AVDD/2
Used for analog common voltage.
Large external capacitor is used to reduce power supply noise.
21
AVSS
-
Analog Ground Pin
22
ADDD
-
Analog Power Supply Pin
23
NC
-
No Connect
Nothing should be connected externally to this pin.
24
DZF
O
Zero Input Detect Pin
When SDTI follows a total 8192 LRCK cycles with “0” input data or
RSTN = “0”, this pin goes to “H”.
Note: No input pins should be left fl oating.
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