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參數(shù)資料
| 型號： | AK4673EG |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | Stereo CODEC with MIC/HP-AMP and Touch Screen Controller |
| 中文描述： | 立體聲編解碼器麥克風(fēng)/惠普- AMP及觸摸屏控制器 |
| 文件頁數(shù)： | 93/107頁 |
| 文件大?。?/td> | 1171K |
| 代理商： | AK4673EG |
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[AK4673]
MS0670-E-00
2007/09
- 93 -
SYSTEM DESIGN
Figure 83
and
Figure 84
shows the system connection diagram for the AK4673. The evaluation board [AKD4673] is
demonstrates the optimum layout, power supply arrangements and measurement results.
Headphone
Power Supply
2.6 ~ 5.25V
NC
MUTET
HPL
HVDD
SCLT
CADT
NC
MCKI
NC
RIN4
NC
HPR
VSS2
SDAT
PENIRQN
NC
MCKO
NC
ROUT
LIN4
NC
TVDD1
LOUT
MIN
TVDD2
DVDD
NC
RIN2
NC
VSS3
TSVDD
LIN2
LRCK
BICK
LIN1
NC
SDTI
SDTO
VCOM
RIN1
MPWR
I2CA
VCOC
NC
PDN
SCLA
SDAA
NC
VSS1
AVDD
XP
YP
XN
YN
CADA
NC
NC
AK4673EG
0.1u
Touch Screen
1u
DSP
μ
P
1u
Line In
6
6
0.22u
10
1u
External
MIC
Internal MIC
10u
Power Supply
1.6 ~ 3.6V
μ
P
0.22u
10
Analog Ground
Digital Ground
0.1u
0.1u
2
2
2
2
2.2u 0.1u
Line Out
Mono In
Rp
Cp
External
SPK-Amp
1
10u
10u
0.1u
Power Supply
2.6 ~ 3.6V
Power Supply
2.5 ~ 3.6V
Notes:
- VSS1, VSS2 and VSS3 pins of the AK4673 should be distributed separately from the ground of external
controllers.
- All digital input pins should not be left floating.
- When the AK4673 is EXT mode (PMPLL bit = “0”), a resistor and capacitor of the VCOC/RIN3 pin is not
needed.
- When the AK4673 is PLL mode (PMPLL bit = “1”), a resistor and capacitor of the VCOC/RIN3 pin should be
connected as shown in
Table 5
.
- When the AK4673 is used at master mode, LRCK and BICK pins are floating before M/S bit is changed to “1”.
Therefore, 100k
Ω
around pull-up resistor should be connected to LRCK and BICK pins of the AK4673.
- 0.1
μ
F ceramic capacitor should be attached to each supply pins. The type of other capacitors is not critical.
- When DVDD is supplied from AVDD via 10
Ω
series resistor, the capacitor larger than 0.1
μ
F should not be
connected between DVDD and the ground.
Figure 83. Typical Connection Diagram (AIN3 bit = “0”, MIC Input)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AK4675 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP/SPK-AMP |
| AK4675EG | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP/SPK-AMP |
| AK4682 | 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with 2Vrms Stereo Selector |
| AK4682AEQ | 功能描述:IC CODEC MULTI-CHANNEL 48LQFP 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購買時間 標(biāo)準(zhǔn)包裝:1,000 |
| AK4682EQ | 制造商:AKM 制造商全稱:AKM 功能描述:Multi-channel CODEC with 2Vrms Stereo Selector |
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