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參數(shù)資料
| 型號： | AK4645 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | Stereo CODEC with MIC/HP-AMP |
| 中文描述： | 立體聲編解碼器麥克風(fēng)/惠普腺苷 |
| 文件頁數(shù)： | 52/96頁 |
| 文件大?。?/td> | 821K |
| 代理商： | AK4645 |
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ASAHI KASEI
[AK4645]
MS0543-E-00
2006/09
- 52 -
Analog Mixing: Stereo Input (LIN2/RIN2/LIN4/RIN4, AIN3 bit = “1”: LIN3/RIN3 pins)
When PMAINL2=PMAINR2 bits = “1”, LIN2 and RIN2 pins can be used as stereo line input for analog mixing. When
the LINH2 and RINH2 bits are set to “1”, the input signal from the LIN2/RIN2 pins is output to Headphone-Amp. When
the LINL2/RINR2 bits are set to “1”, the input signal from the LIN2/RIN2 pins is output to the stereo line output
amplifier.
When PMAINL4=PMAINR4 bits = “1”, LIN4 and RIN4 pins can be used as stereo line input for analog mixing. When
the LINH4 and RINH4 bits are set to “1”, the input signal from the LIN4/RIN4 pins is output to Headphone-Amp. When
the LINL4/RINR4 bits are set to “1”, the input signal from the LIN4/RIN4 pins is output to the stereo line output
amplifier.
When the analog mixing is used, A/D converter is also available if PMADL or PMADR bit is “1”. In this case, the input
resistance of LIN2/RIN2/LIN4/RIN4 pins becomes 30k
(typ) at MGAIN1-0 bits = “00” and 20k
(typ) at MGAIN1-0
bits = “01”, “10” or “11”, respectively.
When AIN3 bit = “1”, MIN and VCOC pins becomes LIN3 and RIN3 pins, respectively. In this case, PLL is not
available. When PMAINL3=PMAINR3 bits = “1”, LIN3 and RIN3 pins can be used as stereo line input for analog
mixing. When PMMICL=PMMICR=MICL3=MICR3 bits = “1”, analog mixing source is changed from LIN3/RIN3 iput
to MIC-Amp output signal. When the LINH3 and RINH3 bits are set to “1”, the input signal from the LIN3/RIN3 pins is
output to Headphone-Amp. When the LINL3/RINR3 bits are set to “1”, the input signal from the LIN3/RIN3 pins is
output to the stereo line output amplifier.
When the analog mixing is used, A/D converter is also available if PMADL or PMADR bit is “1”. When the analog
mixing is used at MICL3=MICR3 bits = “0”, the input resistance of LIN3/RIN3 pins becomes 30k
(typ) at MGAIN1-0
bits = “00” and 20k
(typ) at MGAIN1-0 bits = “01”, “10” or “11”, respectively. When the analog mixing is used at
MICL3=MICR3 bits = “1”, the input resistance of LIN3/RIN3 pins becomes 60k
(typ) at MGAIN1-0 bits = “00” and
30k
(typ) at MGAIN1-0 bits = “01”, “10” or “11”, respectively.
Table 41, Table 42 and Table 43 show the typical gain.
AK4645
LIN1/IN1
pin
ADC Lch
RIN1/IN1+ pin
INL1-0 bits
MDIF1 bit
RIN2/IN2
pin
ADC Rch
LIN2/IN2+ pin
INR1-0 bits
MDIF2 bit
MIN/LIN3 pin
VCOC/RIN3 pin
Lineout, HP-Amp
MIC-Amp
MIC-Amp
M
M
P
P
P
P
P
P
LIN4/IN4+ pin
RIN4/IN4
pin
These blocks are not
available at PLL mode.
Figure 40. Analog Mixing Circuit (Stereo Input)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4646EZ | Stereo CODEC with MIC/SPK-AMP |
| AK4646 | Stereo CODEC with MIC/SPK-AMP |
| AK4646EN | Stereo CODEC with MIC/SPK-AMP |
| AK4647 | Stereo CODEC with MIC/HP-AMP |
| AK4647VN | Stereo CODEC with MIC/HP-AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4645EN | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP |
| AK4645ENP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4645EZ | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP |
| AK4646 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with built-in MIC/SPK amplifier |
| AK4646_11 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/SPK-AMP |
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