参数资料
型号: AK4665AEN
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, QCC32
封装: 5 X 5 MM, 0.50 MM PITCH, LEAD FREE, QFN-32
文件页数: 44/52页
文件大小: 522K
代理商: AK4665AEN
ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 49 -
SYSTEM DESIGN
Figure 27 shows the system connection diagram. An evaluation board [AKD4665A] is available which demonstrates the
optimum layout, power supply arrangements and measurement results.
AVSS
AVDD
VCOM
VREF
PDN
CSN
CCLK
CDTI
MIC
IN
MPW
R
A
IN
L
1
A
IN
R
1
LIN
RI
N
MIN
LO
U
T
LRCK
MC
L
K
BI
C
K
SD
TI
SD
TO
TV
DD
DV
S
DV
DD
ROUT
HPR
HPL
NVSS
HVSS
HVDD
CN
CP
AK4665AEN
Top View
25
26
27
28
29
30
31
32
24
23
22
1
16
15
14
13
12
11
10
9
21
20
19
18
17
2
3
4
5
6
7
8
Power Supply
2.6
3.6V
0.1u
DSP
P
Analog Ground
Digital Ground
2.
2
k
2.2u
Headphone
0.1u
2.2u
0.1u
Power Supply
1.6
3.6V
10u
2.2u
+
(+):Note
10
0.1u
Mono
Mic In
Stereo
Line In
External
Analog In
Stereo
Line Out
4.7u
+
0.1u
+
2
Figure 27. Typical Connection Diagram
Note:
-
A 2
resistor must be added in series between HVDD pin and power supply line in order to
limit the current.
-
These capacitors at CP/CN pins and HVSS/NVSS pins require low ESR (Equivalent Series Resistance) over all
temperature range. When these capacitors are not bipolar, the positive side should be connected to CP pin and
HVSS respectively.
-
AVSS, DVSS and HVSS of the AK4665A should be distributed separately from the ground of external
controllers.
-
All digital input should not be left floating.
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