參數(shù)資料
型號: AK4397
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: High Performance Premium 32-Bit DAC
中文描述: 優(yōu)質(zhì)高性能32位DAC
文件頁數(shù): 31/37頁
文件大小: 513K
代理商: AK4397
[AK4397]
MS0616-E-00
2007/05
- 31 -
SYSTEM DESIGN
Figure 15 show the system connection diagram. Figure 17, Figure 18 and Figure 19 show the analog output circuit
examples. An evaluation board (AKD4397) is available which demonstrates the optimum layout, power supply
arrangements and measurement results.
DVDD
N
1
PDN
4
2
BICK
3
SDATA
4
LRCK
5
CSN
6
CAD0
7
CCLK
8
CDTI
9
DIF0
10
DIF1
11
V
M
A
V
N
N
N
N
N
A
3
D
1
N
1
P
1
D
1
D
1
C
1
N
1
N
1
N
2
N
2
A
2
33
32
31
30
29
28
27
26
25
24
23
AOUTLN
VSS2
VDDL
VREFHL
VREFLL
NC
VREFLR
VREFHR
VDDR
VSS1
AOUTRN
A
Top View
Analog5.0V
+
+
10u
0.1u
Digital 5.0V
10u
0.1u
+
Ceramic Capacitor
+
Electrolytic Capacitor
+
0.1u
+
10u
+
+
10u
0.1u
10u
0.1u
10u
0.1u
Lch
LPF
Rch
LPF
Rch
Mute
Lch
Mute
Micro-
Controller
Rch Out
Lch Out
Reset & PD
64fs
Audio Data
fs
M
Notes:
- Chip Address = “00”. LRCK = fs, BICK = 64fs.
- Power lines of AVDD and DVDD should be distributed separately from the point with low impedance of regulator
etc.
- VSS1-4 must be connected to the same analog ground plane.
- When AOUT drives some capacitive load, some resistor should be added in series between AOUT and
capacitive load.
- All input pins except pull-down/pull-up pins should not be left floating.
Figure 15. Typical Connection Diagram (AVDD=VDDL/R=5V, DVDD=5V, Serial mode)
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