參數(shù)資料
型號(hào): AK4525
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 20BIT STEREO ADC & DAC WITH X TAL OSC
中文描述: 20位立體聲ADC
文件頁數(shù): 3/18頁
文件大?。?/td> 152K
代理商: AK4525
ASAHI KASEI
[AK4525]
MS0053-E-00
2000/9
- 3 -
PIN/FUNCTION
No.
1
Pin Name
VREFH
I/O
I
Function
Positive Voltage Reference Input Pin, VA
Used as a positive voltage reference by ADC & DAC. VREFH should be connected
externally to filtered VA.
Rch Analog Positive Input Pin
Rch Analog Negative Input Pin
Lch Analog Positive Input Pin
Lch Analog Negative Input Pin
Analog Power Supply Pin
Analog Ground Pin
X’tal Input Pin
X’tal Output Pin
Audio Data Interface Format 0 Pin
Audio Data Interface Format 1 Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Soft Mute Pin
When this pin goes “H”, soft mute cycle is initiated.
When returning “L”, the output mute releases.
De-emphasis Frequency Select 0 Pin
De-emphasis Frequency Select 1 Pin
Test Pin
This pin must be connected to DGND.
Master/Slave Mode (Internal pull-down pin)
“H”: Master mode, “L”: Slave mode
Master Clock Output Pin
Digital Power Supply Pin
Digital Ground Pin
Power-Down Mode Pin
Master Clock Select Pin (Internal biased pin)
“H”: 384fs, “L”: 256fs, “NC”: 512fs
Lch Analog Output Pin
Rch Analog Output Pin
Common Voltage Output Pin, VA/2
2
3
4
5
6
7
8
9
AINR+
AINR-
AINL+
AINL-
VA
AGND
XTI
XTO
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
SMUTE
I
I
I
I
-
-
I
O
I
I
I/O
I/O
I
O
I
10
11
12
13
14
15
16
17
18
19
DEM0
DEM1
TST
I
I
I
20
M/S
I
21
22
23
24
25
MCKO
VD
DGND
PDN
CMODE
O
-
-
I
I
26
27
28
AOUTL
AOUTR
VCOM
O
O
O
Note: All input pins except pull-down or biased pins should not be left floating.
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