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| 型號(hào)： | AK4648 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | Stereo CODEC with MIC/HP/SPK-AMP |
| 中文描述： | 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷 |
| 文件頁(yè)數(shù)： | 59/119頁(yè) |
| 文件大?。?/td> | 1272K |
| 代理商： | AK4648 |
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[AK4648]
MS0625-E-01
2007/06
- 59 -
■
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 LINS2 and RINS2 bits are set to “1”, the input signal from the LIN2/RIN2 pins is output from Speaker-Amp. When
the LINH2 and RINH2 bits are set to “1”, the input signal from the LIN2/RIN2 pins is output from Headphone-Amp.
When the LINL2/RINR2 bits are set to “1”, the input signal from the LIN2/RIN2 pins is output from 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 LINS4 and RINS4 bits are set to “1”, the input signal from the LIN4/RIN4 pins is output from Speaker-Amp. When
the LINH4 and RINH4 bits are set to “1”, the input signal from the LIN4/RIN4 pins is output from Headphone-Amp.
When the LINL4/RINR4 bits are set to “1”, the input signal from the LIN4/RIN4 pins is output from 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
Ω
(typ.) at MGAIN1-0 bits = “00” and 20k
Ω
(typ.) at MGAIN1-0
bits = “01”, “10” or “11”, respectively.
Pin
bit
LIN2
PMAINL2 bit
PMMICL or PMADL bit
RIN2
PMAINR2 bit
PMMICR or PMADR bit
LIN4
PMAINL4 bit
PMMICL or PMADL bit
RIN4
PMAINR4 bit
PMMICR or PMADR bit
MGAIN1-0 bits
Input Impedance
(typ.)
00
60k
30k
60k
30k
30k
20k
0
1
01, 10 or 11
00
01, 10 or 11
00
01, 10 or 11
0
1
1
Table 40. Input Impedance of LIN2/RIN2/LIN4/RIN4 pins
When AIN3 bit = “1”, MIN and VCOC pins become 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 input to MIC-Amp
output signal. When the LINS3 and RINS3 bits are set to “1”, the input signal from the LIN3/RIN3 pins is output from
Speaker-Amp. When the LINH3 and RINH3 bits are set to “1”, the input signal from the LIN3/RIN3 pins is output from
Headphone-Amp. When the LINL3/RINR3 bits are set to “1”, the input signal from the LIN3/RIN3 pins is output from
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
Ω
(typ.) at MGAIN1-0
bits = “00” and 20k
Ω
(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
Ω
(typ.) at MGAIN1-0 bits = “00” and
30k
Ω
(typ.) at MGAIN1-0 bits = “01”, “10” or “11”, respectively.
Pin
bit
LIN3 PMAINL3 bit
PMMICL or PMADL bit
RIN3
PMAINR3 bit
PMMICR or PMADR bit
MICL3 bit
MICR3 bit
MGAIN1-0 bits
Input Impedance
(typ.)
00
60k
30k
60k
30k
30k
20k
60k
30k
0
1
x
01, 10 or 11
00
01, 10 or 11
00
01, 10 or 11
00
01, 10 or 11
1
0
0
0
1
1
1
Table 41. Input Impedance of LIN3/RIN3 pins (AIN3 bit = “1”; x: Don’t care)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4648EC | Stereo CODEC with MIC/HP/SPK-AMP |
| AK4650 | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
| AK4650VG | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
| AK4651 | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP |
| AK4651VG | 16Bit ツヒ CODEC with MIC/HP/SPK-AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4648EC | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP/SPK-AMP |
| AK4649 | 制造商:AKM 制造商全稱:AKM 功能描述:24bit Stereo CODEC with MIC/SPK-AMP |
| AK4649ECB | 制造商:AKM 制造商全稱:AKM 功能描述:24bit Stereo CODEC with MIC/SPK-AMP |
| AK4649VN | 功能描述:IC CODEC AUDIO 32QFN 制造商:akm semiconductor inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):初步 類型:音頻 數(shù)據(jù)接口:I2C 分辨率（位）:24 b ADC/DAC 數(shù):1 / 1 三角積分:- 信噪比，ADC/DAC（db）（典型值）:- 動(dòng)態(tài)范圍，ADC/DAC（db）（典型值）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:32-WFQFN 裸露焊盤(pán) 供應(yīng)商器件封裝:32-QFN（5x5） 標(biāo)準(zhǔn)包裝:1,000 |
| AK4650 | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit ツヒ CODEC with MIC/HP/SPK-AMP & TSC |
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