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參數(shù)資料
| 型號(hào)： | AK4646EN |
| 廠商： | ASAHI KASEI POWER DEVICES CORP |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Stereo CODEC with MIC/SPK-AMP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, QFN-32 |
| 文件頁(yè)數(shù)： | 65/79頁(yè) |
| 文件大小： | 789K |
| 代理商： | AK4646EN |
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[AK4646]
MS0557-E-02
2007/05
- 65 -
SYSTEM DESIGN
Figure 37 shows the system connection diagram for the AK4646. An evaluation board [AKD4646] is available which
demonstrates the optimum layout, power supply arrangements and measurement results.
NC
ROUT
LOUT
MIN
RIN2
LIN2
LIN1
RIN1
N
N
S
S
S
S
M
M
M
V
A
A
V
N
P
C
DVSS
DVDD
BICK
LRCK
SDTO
SDTI
CDTIO
CCLK
AK4646EN
Top View
25
26
27
28
29
30
31
32
2
2
2
1
16
15
14
13
12
11
10
9
2
2
1
1
1
2
3
4
5
6
7
8
2
2
2
2
External MIC
Internal MIC
0
2
0
R
Power Supply
2.2
～
3.6V
0
0.1u
1
DSP
μ
P
Line Out
Speaker
Mono In
Cp
10u
Analog Ground
Digital Ground
1u
1u
200
200
2
2
ZD2
ZD1
Dynamic SPK
R1, R2: Short
ZD1, ZD2: Open
Piezo SPK
R1, R2:
≥
10
Ω
ZD1, ZD2: Required
R
R
Notes:
- AVSS, DVSS and SVSS of the AK4646 should be distributed separately from the ground of external
controllers.
- All digital input pins should not be left floating.
- When the AK4646 is EXT mode (PMPLL bit = “0”), a resistor and capacitor of VCOC pin is not needed.
- When the AK4646 is PLL mode (PMPLL bit = “1”), a resistor and capacitor of VCOC pin is shown in Table 4.
- When piezo speaker is used, 2.2
～
4.0V power should be supplied to SVDD and 10
Ω
or more series resistors
should be connected to both SPP and SPN pins, respectively.
- When the AK4646 is used at master mode, LRCK and BICK pins are floating before M/S bit is changed to “1”.
Therefore, around 100k
Ω
pull-up resistor should be connected to LRCK and BICK pins of the AK4646.
Figure 37. System Connection Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4647 | Stereo CODEC with MIC/HP-AMP |
| AK4647VN | Stereo CODEC with MIC/HP-AMP |
| AK4648 | Stereo CODEC with MIC/HP/SPK-AMP |
| AK4648EC | Stereo CODEC with MIC/HP/SPK-AMP |
| AK4650 | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4646ENP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:STEREO CODEC+SPK |
| AK4646EZ | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/SPK-AMP |
| AK4647 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP |
| AK4647VN | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP |
| AK4647VQ | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP |
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