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參數(shù)資料
| 型號： | AK4522 |
| 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)： | 13/18頁 |
| 文件大?。?/td> | 134K |
| 代理商： | AK4522 |
ASAHI KASEI
[AK4522]
M0020-E-01
1998/10
- 13 -
SYSTEM DESIGN
Figure 7 shows the system connection diagram. This is an example which analog signal is input by single ended circuit.
In case of differential input, please refer to Figure 10. An evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
VREFH
1
AINR+
2
AINR-
3
AINL+
4
AINL-
5
VA
6
AGND
7
DIF0
8
DIF1
9
LRCK
10
SCLK
11
SDTI
12
VCOM
24
AOUTR
23
AOUTL
22
CMODE
21
PD
20
DGND
19
VD
18
MCKI
17
DEM1
16
DEM0
15
SMUTE
14
SDTO
13
AK4522
10u
0.1u
+
Mode
Setting
Audio
Controller
Format
Setting
4.5
～
5.5V
Analog Supply
+
10u
0.1u
470
470
4.7u
2.2n
0.1u
2.2n
4.7u
0.1u
+
+
0.1u
+
10u
2.7
～
5.5V
Digital Supply
5
0.1u
Figure 7. Typical Connection Diagram
Notes:
- When AOUT drives some capacitive load, some resistor should be added in series between AOUT and
capacitive load.
- All input pins except CMODE pin should not be left floating.
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