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參數(shù)資料
| 型號： | AK4523VF |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 20BIT STEREO ADC & DAC |
| 中文描述： | 20位立體聲ADC |
| 文件頁數(shù)： | 3/20頁 |
| 文件大小： | 161K |
| 代理商： | AK4523VF |
ASAHI KASEI
[AK4523]
M0021-E-03
1999/12
- 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
No connect
No internal bonding.
No connect
No internal bonding.
Audio Data Interface Format 0 Pin
Audio Data Interface Format 1 Pin
Input 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
Master Clock Input Pin
No connect
No internal bonding.
No connect
No internal bonding.
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
AINR+
AINR-
AINL+
AINL-
VA
AGND
NC
I
I
I
I
-
-
-
9
NC
-
10
11
12
13
14
15
16
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
SMUTE
I
I
I
I
I
O
I
17
18
19
20
DEM0
DEM1
MCKI
NC
I
I
I
-
21
NC
-
22
23
24
25
VD
DGND
PD
CMODE
-
-
I
I
26
27
28
AOUTL
AOUTR
VCOM
O
O
O
Note: All input pins except for CMODE pin should not be left floating.
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