參數(shù)資料
型號(hào): AK4556VT
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 3V 192kHz 24Bit ツヒ CODEC
中文描述: 3V的192kHz 24位ツヒ編解碼器
文件頁(yè)數(shù): 5/22頁(yè)
文件大?。?/td> 189K
代理商: AK4556VT
ASAHI KASEI
[AK4556]
MS0559-E-00
2006/11
- 5 -
PIN/FUNCTION
No.
1
2
3
4
5
6
7
Pin Name
RIN
LIN
VSS
VA
VD
DEM0
DEM1
I/O
I
I
-
-
-
I
I
Function
Rch Analog Input Pin
Lch Analog Input Pin
Ground Pin
Analog Power Supply Pin
Digital Power Supply Pin
De-emphasis Control Pin
De-emphasis Control Pin
Audio Serial Data Output Pin
When PDN pin is “L”, SDTO pin outputs “L”.
Mode Setting Pin #0
Mode Setting Pin #1
Mode Setting Pin #2
Mode Setting Pin #3
Audio Serial Data Input Pin
Input/Output Channel Clock Pin
When PDN pin is “L”, LRCK pin outputs “L” in master mode.
Master Clock Input Pin
Audio Serial Data Clock Pin
When PDN pin is “L”, BCLK pin outputs “L” in master mode.
Power-Down & Reset Mode Pin
“L”: Power-down and Reset, “H”: Normal operation
The AK4556 should be reset once by bringing PDN pin = “L”.
Common Voltage Output Pin, 0.5 x VA
Lch Analog Output Pin
When PDN pin is “L”, LOUT pin becomes Hi-Z.
Rch Analog Output Pin
When PDN pin is “L”, ROUT pin becomes Hi-Z.
8
SDTO
O
9
10
11
12
13
CKS0
CSK1
CSK2
CSK3
SDTI
I
I
I
I
I
14
LRCK
I/O
15
MCLK
I
16
BCLK
I/O
17
PDN
I
18
VCOM
O
19
LOUT
O
20
ROUT
O
Note: Do not allow digital input pins except analog input pins (LIN and RIN) to float.
Handling of Unused Pin
The unused I/O pin should be processed appropriately as below.
Classification
Pin Name
Analog Input
LIN, RIN
Analog Output
LOUT, ROUT
Setting
These pins should be open.
These pins should be open.
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