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參數(shù)資料
| 型號： | AK4520A-VF |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 100dB 20Bit Stereo ADC & DAC |
| 中文描述： | 100dB的20位立體聲ADC |
| 文件頁數(shù)： | 3/19頁 |
| 文件大?。?/td> | 198K |
| 代理商： | AK4520A-VF |
ASAHI KASEI
[AK4520A]
0163-E-00
1997/3
- 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 is connected
externally to filtered VA.
Negative Voltage Reference Input Pin, AGND
Used as a negative voltage reference by ADC & DAC. VREFL is connected
externally to AGND.
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
Audio Data Interface Format Pin
Audio Data Interface Format Pin
Input/Output Channel Clock Pin
Audio Serial Data Clock Pin
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Master Clock Input Pin
De-emphasis Frequency Select Pin
De-emphasis Frequency Select Pin
Test Pins (Pull down pins)
Must be left open or connected to DGND.
2
VREFL
I
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
AINR+
AINR-
AINL+
AINL-
VA
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
MCLK
DEM0
DEM1
TST3
TST2
TST1
VD
DGND
PWDA
PWAD
CMODE
I
I
I
I
-
-
I
I
I
I
I
O
I
I
I
I/O
I/O
I
-
-
I
I
I
Digital Power Supply Pin
Digital Ground Pin
DAC Power-Down Mode Pin
ADC Power-Down Mode Pin
Master Clock Select Pin
"H": 384fs, "L": 256fs
Lch analog output pin
Rch analog output pin
Common Voltage Output Pin, VA/2
26
27
28
AOUTL
AOUTR
VCOM
O
O
O
Note: All input pins except pull-down pins should not be left floating.
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