參數(shù)資料
型號(hào): AK4565
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: LOW POWER 20BIT CODEC WITH BUILT IN ALC
中文描述: 低功耗20位編解碼器中的ALC的建造
文件頁(yè)數(shù): 30/33頁(yè)
文件大小: 249K
代理商: AK4565
ASAHI KASEI
[AK4565]
MS0132-E-01
2003/05
- 30 -
SYSTEM DESIGN
Figure 18 shows the system connection diagram. An evaluation board (AKD4565) is available which demonstrates the
application circuit, the optimum layout, power supply arrangements and measurement results.
10
2.3
3.6V
Analog Supply
2.2
μ
0.1
μ
1.5
3.6V
Digital Supply
Micro
Controller
Audio
Controller
LOUT
ROUT
INTL1
INTR1
INTL0
INTR0
EXTR
LIN
RIN
VCOM
AGND
VA
VREF
VD
DGND
VT
SDTO0
LRCK
MCLK
BCLK
CDTO
CDTI
CSN
CCLK
PDN
SDTO1
SDTI
1
2
3
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
21
24
25
26
27
28
AK4565
EXTL
+
10
22
23
4
+
10
μ
0.1
μ
10
μ
0.1
μ
+
+
10
μ
0.1
μ
Figure 18. System Connection Diagram
Note:
- AGND and DGND of AK4565 should be distributed separately from the ground of external controller etc.
- When LOUT/ROUT drives some capacitive load, some resistor should be added in series between
LOUT/ROUT and capacitive load.
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